MySQL Bugs

MySQL Bugs MySQL AB Bugs Database http://bugs.mysql.com/ MySQL Bugs http://bugs.mysql.com/images/mysql_100x52-64.gif http://bugs.mysql.com/ http://bugs.mysql.com/47126 #47126: equal flag values causing unexpected behaviour http://bugs.mysql.com/bug.php?id=47126 Submitted by: Satya B
Category: Server
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Fri, 04 Sep 2009 09:18:56 +0000 Server http://bugs.mysql.com/58766 #58766: Server binary was compiled without fast-mutexes http://bugs.mysql.com/bug.php?id=58766 Submitted by: Alexey Stroganov
Category: Server
Status: Closed
Severity: 2
OS: Any (Linux)
Version: 5.5.8
]]> Mon, 06 Dec 2010 22:48:34 +0000 Server http://bugs.mysql.com/61060 #61060: Mixed direction indexes http://bugs.mysql.com/bug.php?id=61060 Submitted by: Stephen Jackson
Category: Server
Status: Duplicate
Severity: 3
OS: Any
Version: All
]]> Wed, 04 May 2011 16:43:12 +0000 Server http://bugs.mysql.com/65157 #65157: set read_only=1|0 kills performance http://bugs.mysql.com/bug.php?id=65157 Submitted by: Mark Callaghan
Category: Server
Status: Duplicate
Severity: 5
OS: Any
Version: 5.1.53
]]> Mon, 30 Apr 2012 17:39:32 +0000 Server http://bugs.mysql.com/81561 #81561: MySQL 5.7 is 11% to 37% slower then 5.6 when using 4 threads http://bugs.mysql.com/bug.php?id=81561 Submitted by: Roel Van de Paar
Category: Server
Status: Closed
Severity: 1
OS: Any
Version: 5.7.12
]]> Tue, 24 May 2016 07:22:32 +0000 Server http://bugs.mysql.com/91589 #91589: Invalid primary key improves query performance http://bugs.mysql.com/bug.php?id=91589 Submitted by: mars xu
Category: Server
Status: Closed
Severity: 3
OS: CentOS (6.3)
Version: 5.6.33-79.0
]]> Tue, 10 Jul 2018 09:44:32 +0000 Server http://bugs.mysql.com/104128 #104128: Poor performance for queries with tuple comparison http://bugs.mysql.com/bug.php?id=104128 Submitted by: Hamid Alaei
Category: Server
Status: Duplicate
Severity: 3
OS: Ubuntu (18.04)
Version: 8.0.25
]]> Mon, 28 Jun 2021 07:00:59 +0000 Server http://bugs.mysql.com/112080 #112080: No need call performance schema interface when open temporary table http://bugs.mysql.com/bug.php?id=112080 Submitted by: xiaoyu bai
Category: Server
Status: Closed
Severity: 3
OS: Any
Version: 8.0
]]> Wed, 16 Aug 2023 06:30:00 +0000 Server http://bugs.mysql.com/115159 #115159: Fix for bug 113187 http://bugs.mysql.com/bug.php?id=115159 Submitted by: John White
Category: Server
Status: Duplicate
Severity: 5
OS: Any
Version: 8.0 and above
]]> Wed, 29 May 2024 09:39:28 +0000 Server http://bugs.mysql.com/19739 #19739: stored function call in primary select causes memory leak http://bugs.mysql.com/bug.php?id=19739 Submitted by: Michael Del Monte
Category: Server
Status: Closed
Severity: 3
OS: Windows (Windows XP)
Version: 5.0.20
]]> Thu, 11 May 2006 20:10:05 +0000 Server http://bugs.mysql.com/19798 #19798: Test 'func_encrypt' leaks memory when using yaSSL http://bugs.mysql.com/bug.php?id=19798 Submitted by: Kent Boortz
Category: Server
Status: Closed
Severity: 2
OS: Linux (Red Hat RHAS4 x86 x86_64)
Version: 5.1.10-pre
]]> Sun, 14 May 2006 00:16:27 +0000 Server http://bugs.mysql.com/25396 #25396: Valgrind leak in closecon_handlerton http://bugs.mysql.com/bug.php?id=25396 Submitted by: Mads Martin Joergensen
Category: Server
Status: Closed
Severity: 1
Version: 5.1
]]> Wed, 03 Jan 2007 20:26:58 +0000 Server http://bugs.mysql.com/26750 #26750: valgrind leak in sp_head http://bugs.mysql.com/bug.php?id=26750 Submitted by: Mads Martin Joergensen
Category: Server
Status: Closed
Severity: 1
Version: 5.0
]]> Thu, 01 Mar 2007 14:52:08 +0000 Server http://bugs.mysql.com/416 #416: Server slow if client not on localhost http://bugs.mysql.com/bug.php?id=416 Submitted by: Thomas Aho
Category: Server
Status: Duplicate
Severity: 2
OS: Windows (Windows XP and NT)
Version: 4.1.0-alpha
]]> Sun, 11 May 2003 12:47:02 +0000 Server http://bugs.mysql.com/476 #476: "myisamchk -r" results in loss of index "repair table" restores index http://bugs.mysql.com/bug.php?id=476 Submitted by: h ford
Category: Server
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 3.23.56
]]> Thu, 22 May 2003 02:51:41 +0000 Server http://bugs.mysql.com/3341 #3341: Not Optimized Min() http://bugs.mysql.com/bug.php?id=3341 Submitted by: Sergei Kulakov
Category: Server
Status: Closed
Severity: 3
OS: FreeBSD (Free BSD, Windows)
Version: 3.23.58; 4.0.18
]]> Tue, 30 Mar 2004 21:47:16 +0000 Server http://bugs.mysql.com/3396 #3396: A SUB-QUERY IN MYSQL 4.1.1.max.log MAKE SERVER DOWN :_( http://bugs.mysql.com/bug.php?id=3396 Submitted by: Roberto Spadim
Category: Server
Status: Closed
Severity: 2
OS: Linux (LINUX)
Version: 4.1.1
]]> Mon, 05 Apr 2004 16:57:52 +0000 Server http://bugs.mysql.com/3799 #3799: WinMySQLAdmin shows no server info http://bugs.mysql.com/bug.php?id=3799 Submitted by: Aaron Hayward
Category: Server
Status: Closed
Severity: 3
OS: Windows (Windows XP Pro)
Version: 4.0.18
]]> Mon, 17 May 2004 15:23:56 +0000 Server http://bugs.mysql.com/5879 #5879: Fix for Examined_rows in UNION's with 4.0 http://bugs.mysql.com/bug.php?id=5879 Submitted by: SINISA MILIVOJEVIC
Category: Server
Status: Closed
Severity: 3
OS: Any (Any)
Version: 4.0
]]> Mon, 04 Oct 2004 13:04:31 +0000 Server http://bugs.mysql.com/6483 #6483: ignored character-set and collation http://bugs.mysql.com/bug.php?id=6483 Submitted by: Harald Gölles
Category: Server
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 5.0.2
]]> Sun, 07 Nov 2004 16:36:23 +0000 Server http://bugs.mysql.com/7939 #7939: --log-queries-not-using-indexes doesnt apply with 0 or 1 row OR quuery cache http://bugs.mysql.com/bug.php?id=7939 Submitted by: Martin Friebe
Category: Server
Status: Closed
Severity: 3
Version: 4.1.9
]]> Sun, 16 Jan 2005 16:33:06 +0000 Server http://bugs.mysql.com/9347 #9347: Crashes with MySQL server 5.0.2 http://bugs.mysql.com/bug.php?id=9347 Submitted by: Tharaka Ranaweera
Category: Server
Status: Duplicate
Severity: 1
OS: Windows (Windows 2003 Server)
Version: 1.1.6
]]> Wed, 23 Mar 2005 04:32:51 +0000 Server http://bugs.mysql.com/10031 #10031: View doesn't use index http://bugs.mysql.com/bug.php?id=10031 Submitted by: Georg Richter
Category: Server
Status: Closed
Severity: 1
OS: Any (all)
Version: 5.0.5
]]> Wed, 20 Apr 2005 14:11:54 +0000 Server http://bugs.mysql.com/10931 #10931: Hostname cache completely broken in 4.1 http://bugs.mysql.com/bug.php?id=10931 Submitted by: Jeremy Cole
Category: Server
Status: Closed
Severity: 2
OS: Any (All)
Version: 4.1.x
]]> Fri, 27 May 2005 20:54:26 +0000 Server http://bugs.mysql.com/14637 #14637: trim trailing spaces processes data only byte wise http://bugs.mysql.com/bug.php?id=14637 Submitted by: Gunnar von Boehn
Category: Server
Status: Closed
Severity: 5
OS: Any (any)
Version: 5.0-BK
]]> Fri, 04 Nov 2005 12:51:33 +0000 Server http://bugs.mysql.com/16504 #16504: Some of the simplest SELECTs are 1000 times slower in v5 compared to v4 http://bugs.mysql.com/bug.php?id=16504 Submitted by: Frederic Steinfels
Category: Server
Status: Closed
Severity: 3
OS: Any (*)
Version: 5.0.21
]]> Sat, 14 Jan 2006 13:53:14 +0000 Server http://bugs.mysql.com/17792 #17792: Select with long IN clause cause server to run out of memory. http://bugs.mysql.com/bug.php?id=17792 Submitted by: Lee Blakely
Category: Server
Status: Duplicate
Severity: 1
OS: Linux (RHEL 4)
Version: 5.0.18
]]> Tue, 28 Feb 2006 16:31:24 +0000 Server http://bugs.mysql.com/18416 #18416: Renaming a table looses all triggers http://bugs.mysql.com/bug.php?id=18416 Submitted by: Paul Furnival
Category: Server
Status: Closed
Severity: 3
OS: Linux (Linux)
Version: 5.0.18
]]> Wed, 22 Mar 2006 10:48:17 +0000 Server http://bugs.mysql.com/18656 #18656: User variable in where subquery causes long delay http://bugs.mysql.com/bug.php?id=18656 Submitted by: adkap
Category: Server
Status: Duplicate
Severity: 5
OS: Linux (Suse 10)
Version: 5.0.15
]]> Thu, 30 Mar 2006 16:30:33 +0000 Server http://bugs.mysql.com/19836 #19836: Dependent subquery in on clause is not optimized effectively. http://bugs.mysql.com/bug.php?id=19836 Submitted by: Gökhan Demir
Category: Server
Status: Duplicate
Severity: 2
OS: Any (all)
Version: all
]]> Tue, 16 May 2006 02:03:50 +0000 Server http://bugs.mysql.com/20986 #20986: renaming a column very slow on large tables http://bugs.mysql.com/bug.php?id=20986 Submitted by:
Category: Server
Status: Closed
Severity: 5
OS: Windows (Windows XP)
Version: 5.0.21-community-nt
]]> Wed, 12 Jul 2006 09:01:42 +0000 Server http://bugs.mysql.com/21051 #21051: RESET QUERY CACHE very slow when query_cache_type=0 http://bugs.mysql.com/bug.php?id=21051 Submitted by: Kolbe Kegel
Category: Server
Status: Closed
Severity: 3
Version: 5.0.22
]]> Thu, 13 Jul 2006 23:07:42 +0000 Server http://bugs.mysql.com/24556 #24556: mysqldump --all-databases does not dump all databases http://bugs.mysql.com/bug.php?id=24556 Submitted by: Martijn Wenke
Category: Server
Status: Closed
Severity: 2
OS: Windows (Win 2003 server)
Version: 5.0.27
]]> Thu, 23 Nov 2006 20:05:29 +0000 Server http://bugs.mysql.com/25785 #25785: set timestamp get 5 seconds to return http://bugs.mysql.com/bug.php?id=25785 Submitted by: Roberto Spadim
Category: Server
Status: Closed
Severity: 2
OS: Linux (linux)
Version: 5.1.11 and higher
]]> Tue, 23 Jan 2007 15:15:45 +0000 Server http://bugs.mysql.com/25786 #25786: select with limit 0 get row scan http://bugs.mysql.com/bug.php?id=25786 Submitted by: Roberto Spadim
Category: Server
Status: Closed
Severity: 2
OS: Linux (linux)
Version: 5.1.11
]]> Tue, 23 Jan 2007 15:20:34 +0000 Server http://bugs.mysql.com/29278 #29278: log-output should default to FILE for backwards compliance. http://bugs.mysql.com/bug.php?id=29278 Submitted by: Tobias Asplund
Category: Server
Status: Duplicate
Severity: 3
OS: Any
]]> Thu, 21 Jun 2007 18:51:13 +0000 Server http://bugs.mysql.com/41293 #41293: user variables from remote hosts can be considerably slow http://bugs.mysql.com/bug.php?id=41293 Submitted by: Peter Laursen
Category: Server
Status: Verified
Severity: 2
OS: Any
Version: 5.0 bzr, 5.1
]]> Mon, 08 Dec 2008 10:21:00 +0000 Server http://bugs.mysql.com/41390 #41390: mysqlbinlog doesn't properly handle local slow IO http://bugs.mysql.com/bug.php?id=41390 Submitted by: N Tucker
Category: Server
Status: Verified
Severity: 2
OS: Linux (pc-linux-gnu i486)
Version: 3.2, 4.1, 5.0, 5.1, 6.0 bzr
]]> Thu, 11 Dec 2008 10:55:58 +0000 Server http://bugs.mysql.com/51153 #51153: mysqld/I_S takes hours to finish after boot/restart http://bugs.mysql.com/bug.php?id=51153 Submitted by: P C
Category: Server
Status: Duplicate
Severity: 2
OS: Linux (2.6.31-19-generic #56-Ubuntu)
Version: 5.1.43-0.dotdeb.1
]]> Fri, 12 Feb 2010 21:55:23 +0000 Server http://bugs.mysql.com/60345 #60345: trim trailing spaces processes data only byte wise (the continue of bug14637) http://bugs.mysql.com/bug.php?id=60345 Submitted by: Linhai Song
Category: Server
Status: Verified
Severity: 5
OS: Any
Version: 5.1.55 6.0.11
]]> Fri, 04 Mar 2011 17:11:45 +0000 Server http://bugs.mysql.com/2050 #2050: 10 to 1 performance drop with server 4.1.1 http://bugs.mysql.com/bug.php?id=2050 Submitted by: Quartz 12h
Category: Server
Status: Closed
Severity: 2
OS: Windows (w2k)
Version: 4.1.1alpha
]]> Mon, 08 Dec 2003 16:07:03 +0000 Server http://bugs.mysql.com/3904 #3904: COUNT DISTINCT performance anomaly in 4.1 http://bugs.mysql.com/bug.php?id=3904 Submitted by: Dean Ellis
Category: Server
Status: Closed
Severity: 2
OS: Linux (Linux)
Version: 4.1.2
]]> Thu, 27 May 2004 02:07:41 +0000 Server http://bugs.mysql.com/4114 #4114: order by - limit optimization is broken for "range" access type. http://bugs.mysql.com/bug.php?id=4114 Submitted by: Peter Zaitsev
Category: Server
Status: Closed
Severity: 2
OS: Any (all)
Version: 4.1.2
]]> Sat, 12 Jun 2004 02:27:35 +0000 Server http://bugs.mysql.com/6635 #6635: bug in full-text search http://bugs.mysql.com/bug.php?id=6635 Submitted by: Przemyslaw Popielarski
Category: Server
Status: Closed
Severity: 2
OS: Linux (Linux x86)
Version: 4.1.7
]]> Mon, 15 Nov 2004 12:47:41 +0000 Server http://bugs.mysql.com/7103 #7103: mysql 5.0.2 mysqld crashes on describe any_table; http://bugs.mysql.com/bug.php?id=7103 Submitted by: Brad Cooper
Category: Server
Status: Duplicate
Severity: 1
OS: Windows (Windows 98 SE)
Version: 5.0.2
]]> Wed, 08 Dec 2004 12:58:33 +0000 Server http://bugs.mysql.com/16700 #16700: optimizer marks subquery DEPENDENT though it's not http://bugs.mysql.com/bug.php?id=16700 Submitted by: Kiryll Mirnenko
Category: Server
Status: Duplicate
Severity: 3
OS: FreeBSD (FreeBSD 6.0-RELEASE-p3)
Version: 5.0.18
]]> Sat, 21 Jan 2006 13:13:25 +0000 Server http://bugs.mysql.com/22943 #22943: syscall pruning in libmysql http://bugs.mysql.com/bug.php?id=22943 Submitted by: Georg Richter
Category: Server
Status: Closed
Severity: 2
OS: Windows (Windows)
Version: all
]]> Tue, 03 Oct 2006 15:10:13 +0000 Server http://bugs.mysql.com/25232 #25232: MySQL hangs in FUTEX_WAIT http://bugs.mysql.com/bug.php?id=25232 Submitted by: Carsten Schabacker
Category: Server
Status: Closed
Severity: 2
OS: Linux (Linux AMD64 - SLES9-SP3 2.6.17)
Version: 5.0.30
]]> Thu, 21 Dec 2006 13:24:41 +0000 Server http://bugs.mysql.com/29031 #29031: Comparison of DATE with DATETIME not using indexes correctly http://bugs.mysql.com/bug.php?id=29031 Submitted by: Dave Costantino
Category: Server
Status: Duplicate
Severity: 2
OS: Linux
Version: 5.0.44-BK, 5.0.42
]]> Mon, 11 Jun 2007 21:42:22 +0000 Server http://bugs.mysql.com/33948 #33948: performance issue when using sysbench benchmark on a multiple-core system. http://bugs.mysql.com/bug.php?id=33948 Submitted by: terry tao
Category: Server
Status: Closed
Severity: 5
OS: Linux (rhas5)
Version: 5.1.22
]]> Sun, 20 Jan 2008 15:16:40 +0000 Server http://bugs.mysql.com/18215 #18215: Long latency in connection establish http://bugs.mysql.com/bug.php?id=18215 Submitted by:
Category: Server
Status: Closed
Severity: 2
OS: Linux (Linux)
Version: 4.1.18
]]> Tue, 14 Mar 2006 08:52:25 +0000 Server http://bugs.mysql.com/79951 #79951: Large table queries are very slow compared to 5.6 http://bugs.mysql.com/bug.php?id=79951 Submitted by: Lee Butler
Category: Server
Status: Closed
Severity: 2
OS: Windows
Version: 5.7.10
]]> Wed, 13 Jan 2016 12:58:56 +0000 Server http://bugs.mysql.com/8475 #8475: If multi-query: query does not get into slow query log if it's not last http://bugs.mysql.com/bug.php?id=8475 Submitted by: Guilhem Bichot
Category: Server
Status: Closed
Severity: 3
OS: Any (all)
Version: 4.1
]]> Sat, 12 Feb 2005 14:19:06 +0000 Server http://bugs.mysql.com/14275 #14275: spitting out the wrong slow logs http://bugs.mysql.com/bug.php?id=14275 Submitted by: yong huang
Category: Server
Status: Closed
Severity: 3
OS: Linux (Fedora Core 4 64bit)
Version: 4.0.25
]]> Mon, 24 Oct 2005 21:41:21 +0000 Server http://bugs.mysql.com/60348 #60348: trim trailing spaces processes data only byte wise (continue of bug14637 (2)) http://bugs.mysql.com/bug.php?id=60348 Submitted by: Linhai Song
Category: Server
Status: Verified
Severity: 5
OS: Any
Version: 5.1.55
]]> Fri, 04 Mar 2011 20:14:41 +0000 Server http://bugs.mysql.com/37536 #37536: Thread scheduling causes performance degradation at low thread count http://bugs.mysql.com/bug.php?id=37536 Submitted by: Vincent Carbone
Category: Server
Status: Closed
Severity: 5
OS: Solaris (Nevada Bld 87 on X86)
Version: 5.1.24
]]> Thu, 19 Jun 2008 22:34:39 +0000 Server http://bugs.mysql.com/14780 #14780: memory leak for mysql 4.1.14 with openssl enabled http://bugs.mysql.com/bug.php?id=14780 Submitted by: Aleksey Kishkin
Category: Server
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 4.1
]]> Wed, 09 Nov 2005 08:44:06 +0000 Server http://bugs.mysql.com/38900 #38900: mysql_insert_id() and possibly last_insert_id() incorrect http://bugs.mysql.com/bug.php?id=38900 Submitted by: Matthew Lord
Category: Server
Status: Duplicate
Severity: 2
OS: Any
Version: 5.0.66a
]]> Tue, 19 Aug 2008 20:14:19 +0000 Server http://bugs.mysql.com/23135 #23135: Slow views performance http://bugs.mysql.com/bug.php?id=23135 Submitted by: Nuno Soares
Category: Server
Status: Duplicate
Severity: 5
OS: Linux (Linux)
Version: 5.0.19
]]> Tue, 10 Oct 2006 12:10:49 +0000 Server http://bugs.mysql.com/23370 #23370: Bad nested group by performance http://bugs.mysql.com/bug.php?id=23370 Submitted by: Jim Tyrrell
Category: Server
Status: Duplicate
Severity: 1
OS: Linux (Linux and Win)
Version: mysql-5.1.11-beta-win32 and 5.1.26
]]> Tue, 17 Oct 2006 13:32:11 +0000 Server http://bugs.mysql.com/24169 #24169: Dramatic speed loss when going from 5.1.11 to 5.1.12 (or to 5.0.26) http://bugs.mysql.com/bug.php?id=24169 Submitted by: Martin Boer
Category: Server
Status: Closed
Severity: 1
OS: Linux (Linux (Debian/Sarge))
Version: 5.1.12, 5.1.14
]]> Fri, 10 Nov 2006 07:41:41 +0000 Server http://bugs.mysql.com/87756 #87756: JOINS and SUBQUERIES: huge performance difference between MySQL 5.5 and 5.6 http://bugs.mysql.com/bug.php?id=87756 Submitted by: Francesco Ferigo
Category: Server
Status: Closed
Severity: 5
OS: Any
Version: 5.6
]]> Thu, 14 Sep 2017 12:55:27 +0000 Server http://bugs.mysql.com/2683 #2683: Poor Performance on a Multi-Homed System http://bugs.mysql.com/bug.php?id=2683 Submitted by: Tim Lloyd
Category: Server
Status: Closed
Severity: 3
OS: NT 4 Server SP 6a
Version: 4.1.1a
]]> Mon, 09 Feb 2004 06:48:12 +0000 Server http://bugs.mysql.com/13762 #13762: SHOW CREATE TABLE slowdown with InnoDB http://bugs.mysql.com/bug.php?id=13762 Submitted by: Hartmut Holzgraefe
Category: Server
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 4.1.14
]]> Wed, 05 Oct 2005 07:37:22 +0000 Server http://bugs.mysql.com/35918 #35918: mysql-bench: slowdown for create table in 5.1.24 vs 5.0.58&5.1.23 http://bugs.mysql.com/bug.php?id=35918 Submitted by: Alexey Stroganov
Category: Server
Status: Duplicate
Severity: 5
OS: Linux
Version: 5.1.24
]]> Tue, 08 Apr 2008 23:17:23 +0000 Server http://bugs.mysql.com/8367 #8367: slow log doesn't gives complete information about prepared statements http://bugs.mysql.com/bug.php?id=8367 Submitted by: Gleb Paharenko
Category: Server
Status: Closed
Severity: 3
OS: Any (All)
Version: All
]]> Tue, 08 Feb 2005 09:46:09 +0000 Server http://bugs.mysql.com/10737 #10737: PS API queries in --log-slow-queries are unusable http://bugs.mysql.com/bug.php?id=10737 Submitted by: Vadim Tkachenko
Category: Server
Status: Duplicate
Severity: 2
OS: Linux (Linux)
Version: 4.1.12
]]> Thu, 19 May 2005 11:38:10 +0000 Server http://bugs.mysql.com/16493 #16493: Slow query log logs SHOW statements http://bugs.mysql.com/bug.php?id=16493 Submitted by: Stefan Hinz
Category: Server
Status: Duplicate
Severity: 3
OS: probably all
Version: 5.0.19-BK
]]> Fri, 13 Jan 2006 19:21:07 +0000 Server http://bugs.mysql.com/17368 #17368: General log and slow query log don't work http://bugs.mysql.com/bug.php?id=17368 Submitted by: Markus Popp
Category: Server
Status: Closed
Severity: 2
OS: Windows (Windows XP)
Version: 5.1.6/5.1.7 BK
]]> Tue, 14 Feb 2006 10:04:31 +0000 Server http://bugs.mysql.com/40263 #40263: Server default log filenames do not use hostname http://bugs.mysql.com/bug.php?id=40263 Submitted by: Paul DuBois
Category: Server
Status: Duplicate
Severity: 3
OS: Any
Version: 5.0+
]]> Wed, 22 Oct 2008 18:41:35 +0000 Server http://bugs.mysql.com/106410 #106410: Upgraded Mysql 5.6 to Mysql 5.7. All Queries are running damn slow after upgrade http://bugs.mysql.com/bug.php?id=106410 Submitted by: Ravi T
Category: Server
Status: Duplicate
Severity: 3
OS: Any
Version: 5.734
]]> Tue, 08 Feb 2022 17:16:29 +0000 Server http://bugs.mysql.com/10480 #10480: Slow queries http://bugs.mysql.com/bug.php?id=10480 Submitted by: Alastair Battrick
Category: Server
Status: Closed
Severity: 2
OS: Linux (Linux Redhat Fedora Core 1)
Version: 4.1.11-standard-log
]]> Mon, 09 May 2005 15:11:49 +0000 Server http://bugs.mysql.com/60961 #60961: show tables very slow when not in system disk cache http://bugs.mysql.com/bug.php?id=60961 Submitted by: Galt Barber
Category: Server
Status: Closed
Severity: 2
OS: Any
Version: 5.6, 5.5, 5.1
]]> Sat, 23 Apr 2011 18:59:42 +0000 Server http://bugs.mysql.com/796 #796: memory leak in group_concat http://bugs.mysql.com/bug.php?id=796 Submitted by: Oleksandr Byelkin
Category: Server
Status: Closed
Severity: 3
OS: Any (any)
Version: 4.1
]]> Sun, 06 Jul 2003 07:35:00 +0000 Server http://bugs.mysql.com/2613 #2613: memory leak in drop database with raid http://bugs.mysql.com/bug.php?id=2613 Submitted by: Sergei Golubchik
Category: Server
Status: Closed
Severity: 3
Version: 4.0
]]> Mon, 02 Feb 2004 08:20:54 +0000 Server http://bugs.mysql.com/47623 #47623: Suspected memory/temporary file leak http://bugs.mysql.com/bug.php?id=47623 Submitted by: Anna Wiejak
Category: Server
Status: Duplicate
Severity: 1
OS: Linux (Centos)
Version: 5.0.44, 5.0.85
]]> Thu, 24 Sep 2009 16:20:44 +0000 Server http://bugs.mysql.com/56382 #56382: valgrind leak warning from main.loaddata http://bugs.mysql.com/bug.php?id=56382 Submitted by: Mark Callaghan
Category: Server
Status: Closed
Severity: 2
OS: Any
Version: 5.1.50
]]> Mon, 30 Aug 2010 19:11:37 +0000 Server http://bugs.mysql.com/100114 #100114: bluk_insert may lead to memory leak http://bugs.mysql.com/bug.php?id=100114 Submitted by: tandon zhai
Category: Server
Status: Closed
Severity: 2
OS: CentOS (7.6)
Version: 5.7.25
]]> Sun, 05 Jul 2020 08:03:14 +0000 Server http://bugs.mysql.com/60349 #60349: trim beginning spaces processes data only byte wise (continue of bug14637 (3)) http://bugs.mysql.com/bug.php?id=60349 Submitted by: Linhai Song
Category: Server
Status: Verified
Severity: 5
OS: Any
Version: 5.1.55
]]> Fri, 04 Mar 2011 21:20:06 +0000 Server http://bugs.mysql.com/60351 #60351: trim same character processes data only byte wise (continue of bug14637 (4)) http://bugs.mysql.com/bug.php?id=60351 Submitted by: Linhai Song
Category: Server
Status: Verified
Severity: 5
OS: Any
Version: 5.1.55
]]> Fri, 04 Mar 2011 22:15:10 +0000 Server http://bugs.mysql.com/106390 #106390: CREATE TABLE performance in MySQL 8 is considerably slower than 5.7 http://bugs.mysql.com/bug.php?id=106390 Submitted by: Jacob Thomason
Category: Server
Status: Duplicate
Severity: 5
OS: Debian
Version: 8.0.28
]]> Mon, 07 Feb 2022 10:08:39 +0000 Server http://bugs.mysql.com/3531 #3531: Prepared statement memory leak while connection is open http://bugs.mysql.com/bug.php?id=3531 Submitted by: David Reed
Category: Server
Status: Closed
Severity: 2
OS: Windows (Windows XP)
Version: 5.0.0 & 4.1.1a-alpha
]]> Wed, 21 Apr 2004 19:09:06 +0000 Server http://bugs.mysql.com/1952 #1952: SHOW TABLE STATUS very slow w/large number of tables http://bugs.mysql.com/bug.php?id=1952 Submitted by: Paul DuBois
Category: Server
Status: Closed
Severity: 3
OS: Any (Any)
Version: Any
]]> Tue, 25 Nov 2003 13:49:25 +0000 Server http://bugs.mysql.com/4497 #4497: Serious regression if disk based TMP table is used. http://bugs.mysql.com/bug.php?id=4497 Submitted by: Peter Zaitsev
Category: Server
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 4.0.21
]]> Sat, 10 Jul 2004 01:21:47 +0000 Server http://bugs.mysql.com/9968 #9968: slow query log contains useless entries http://bugs.mysql.com/bug.php?id=9968 Submitted by: Georg Richter
Category: Server
Status: Closed
Severity: 1
OS: Any (all)
Version: 5.0
]]> Mon, 18 Apr 2005 09:31:20 +0000 Server http://bugs.mysql.com/12240 #12240: Rows Examined in Slow Log showing incorrect number? http://bugs.mysql.com/bug.php?id=12240 Submitted by: Tobias Asplund
Category: Server
Status: Closed
Severity: 3
OS: Windows (Windows\Linux)
Version: 4.1.13
]]> Thu, 28 Jul 2005 14:04:45 +0000 Server http://bugs.mysql.com/12831 #12831: long_query_time is flawed because it is an integer http://bugs.mysql.com/bug.php?id=12831 Submitted by: Peter van Dijk
Category: Server
Status: Closed
Severity: 3
OS: Any (5.4)
Version: 4.1.13/BK 4.1 source
]]> Fri, 26 Aug 2005 13:21:54 +0000 Server http://bugs.mysql.com/15774 #15774: slow / increase memory / crashing / OS freezing http://bugs.mysql.com/bug.php?id=15774 Submitted by: Olivier LABORDE
Category: Server
Status: Closed
Severity: 1
OS: Windows (Windows XP PRO Sp2)
Version: 5.0
]]> Thu, 15 Dec 2005 13:39:03 +0000 Server http://bugs.mysql.com/18669 #18669: Session COM_STATISTICS breaks mysqladmin status http://bugs.mysql.com/bug.php?id=18669 Submitted by: Kolbe Kegel
Category: Server
Status: Closed
Severity: 3
OS: Linux (Linux)
Version: 5.0,5.1
]]> Thu, 30 Mar 2006 22:22:45 +0000 Server http://bugs.mysql.com/39461 #39461: Slow Query http://bugs.mysql.com/bug.php?id=39461 Submitted by: Roberto Spadim
Category: Server
Status: Closed
Severity: 3
OS: Linux
Version: 5.0.60
]]> Mon, 15 Sep 2008 20:54:57 +0000 Server http://bugs.mysql.com/61818 #61818: debian 6 64 bit + mysql 5.1.57 insert innodb very very slow http://bugs.mysql.com/bug.php?id=61818 Submitted by: florian trincal
Category: Server
Status: Closed
Severity: 2
OS: Linux (debian 6 64 bit)
Version: 5.1.57
]]> Mon, 11 Jul 2011 08:22:24 +0000 Server http://bugs.mysql.com/76585 #76585: Runtime changes to `long_query_time` are ignored. http://bugs.mysql.com/bug.php?id=76585 Submitted by: Saverio Miroddi
Category: Server
Status: Closed
Severity: 3
OS: Any
Version: 5.6.27, 5.7.21
]]> Fri, 03 Apr 2015 10:07:56 +0000 Server http://bugs.mysql.com/96340 #96340: Slow startup for mysql 8.0 with many tables due to the tablespace files scan http://bugs.mysql.com/bug.php?id=96340 Submitted by: lalit Choudhary
Category: Server
Status: Closed
Severity: 3
OS: Any
Version: 8.0.17
]]> Fri, 26 Jul 2019 12:13:32 +0000 Server http://bugs.mysql.com/1697 #1697: DELETE ... WHERE ... ORDER BY ... wrong execution leads to very bad performance http://bugs.mysql.com/bug.php?id=1697 Submitted by: Alexander Keremidarski
Category: Server
Status: Closed
Severity: 2
OS: Any (all)
Version: 4.0.16
]]> Wed, 29 Oct 2003 03:45:01 +0000 Server http://bugs.mysql.com/485 #485: Remote Performance Issue Windows in 4.1 http://bugs.mysql.com/bug.php?id=485 Submitted by: Timothy Little
Category: Server
Status: Duplicate
Severity: 2
OS: Windows (Windows ONLY)
Version: 4.1
]]> Fri, 23 May 2003 12:38:42 +0000 Server http://bugs.mysql.com/5969 #5969: Performance Problem with updatable VIEW http://bugs.mysql.com/bug.php?id=5969 Submitted by: Georg Richter
Category: Server
Status: Closed
Severity: 1
OS: Linux (Linux)
Version: 5.0.2
]]> Fri, 08 Oct 2004 05:49:34 +0000 Server http://bugs.mysql.com/12662 #12662: Poor View Performance http://bugs.mysql.com/bug.php?id=12662 Submitted by: Scott Sosna
Category: Server
Status: Duplicate
Severity: 2
OS: FreeBSD (FreeBSD 5.4)
Version: 5.0.9
]]> Fri, 19 Aug 2005 02:20:15 +0000 Server http://bugs.mysql.com/40006 #40006: Performance depends on functions used? http://bugs.mysql.com/bug.php?id=40006 Submitted by: Andre Timmer
Category: Server
Status: Closed
Severity: 5
OS: Any
Version: 5.0.18
]]> Mon, 13 Oct 2008 15:04:38 +0000 Server http://bugs.mysql.com/42908 #42908: Performance degradation on SELECT_DISTINCT_RANGES (as in Sysbench) http://bugs.mysql.com/bug.php?id=42908 Submitted by: Elena Stepanova
Category: Server
Status: Closed
Severity: 5
OS: Linux (SLES 10)
Version: 5.0.74, 5.0.76, 5.0.77
]]> Tue, 17 Feb 2009 01:20:06 +0000 Server http://bugs.mysql.com/46085 #46085: Valgrind warnings (InnoDB code) in test rpl_trigger http://bugs.mysql.com/bug.php?id=46085 Submitted by: Guilhem Bichot
Category: Server
Status: Duplicate
Severity: 3
OS: Linux
Version: 5.4.2 (summit), mysql-trunk
]]> Thu, 09 Jul 2009 13:49:26 +0000 Server http://bugs.mysql.com/54518 #54518: Very bad performance with subselect http://bugs.mysql.com/bug.php?id=54518 Submitted by: Christoph Moser
Category: Server
Status: Closed
Severity: 5
OS: Windows (Vista)
Version: 5.0.22
]]> Tue, 15 Jun 2010 14:25:47 +0000 Server http://bugs.mysql.com/66865 #66865: Performance degradation in MySQL 5.6 http://bugs.mysql.com/bug.php?id=66865 Submitted by: Vadim TKACHENKO
Category: Server
Status: Closed
Severity: 3
OS: Any
Version: 5.6
]]> Wed, 19 Sep 2012 03:18:03 +0000 Server http://bugs.mysql.com/71041 #71041: Please, document every instrument in P_S.setup_instruments in details http://bugs.mysql.com/bug.php?id=71041 Submitted by: Valeriy Kravchuk
Category: Server
Status: Closed
Severity: 3
OS: Any
Version: 5.6
]]> Fri, 29 Nov 2013 18:39:27 +0000 Server http://bugs.mysql.com/75108 #75108: No Connection to MySQL server. Port 3306 not available. http://bugs.mysql.com/bug.php?id=75108 Submitted by: david higgins
Category: Server
Status: Closed
Severity: 2
OS: Windows (Microsoft Windows 7 Home Premium Service Pack 1)
Version: 6.2.3
]]> Thu, 04 Dec 2014 19:35:24 +0000 Server http://bugs.mysql.com/76117 #76117: Index cardinality not being updated when the data is changed http://bugs.mysql.com/bug.php?id=76117 Submitted by: Raghu reddy
Category: Server
Status: Duplicate
Severity: 5
OS: Windows
Version: 5.6.16-log
]]> Tue, 03 Mar 2015 06:56:15 +0000 Server http://bugs.mysql.com/109603 #109603: MySQL8 write performance degrades compares to MySQL 5.7 http://bugs.mysql.com/bug.php?id=109603 Submitted by: Liang Cheng
Category: Server
Status: Duplicate
Severity: 3
OS: Any
]]> Thu, 12 Jan 2023 12:06:02 +0000 Server http://bugs.mysql.com/111868 #111868: benchmarksql performance degradation since 8.0.27 http://bugs.mysql.com/bug.php?id=111868 Submitted by: yuanyue Zheng
Category: Server
Status: Duplicate
Severity: 5
OS: Any
]]> Tue, 25 Jul 2023 02:54:11 +0000 Server http://bugs.mysql.com/10064 #10064: udf deinit not called when using PreparedStatements http://bugs.mysql.com/bug.php?id=10064 Submitted by: Trevor Kramer
Category: Server
Status: Closed
Severity: 1
OS: Linux (RedHat 4)
Version: 3.1
]]> Thu, 21 Apr 2005 15:39:04 +0000 Server http://bugs.mysql.com/10107 #10107: Memory leak in view over subquery http://bugs.mysql.com/bug.php?id=10107 Submitted by: Sergey Petrunya
Category: Server
Status: Closed
Severity: 3
Version: 5.0-bk
]]> Sat, 23 Apr 2005 00:53:33 +0000 Server http://bugs.mysql.com/11247 #11247: Stored procedures: Function calls in long loops leak memory http://bugs.mysql.com/bug.php?id=11247 Submitted by: Per-Erik Martin
Category: Server
Status: Closed
Severity: 3
OS: Any (Any)
Version: 5.0
]]> Fri, 10 Jun 2005 15:14:56 +0000 Server http://bugs.mysql.com/13471 #13471: Memory leak in ha_tina http://bugs.mysql.com/bug.php?id=13471 Submitted by: Ingo Strüwing
Category: Server
Status: Closed
Severity: 2
OS: Linux (Linux)
Version: 5.0.14-rc, tadays pull
]]> Sun, 25 Sep 2005 17:13:00 +0000 Server http://bugs.mysql.com/18174 #18174: Memory leak on update with big NOT IN (). http://bugs.mysql.com/bug.php?id=18174 Submitted by: Dimitrij HIlt
Category: Server
Status: Duplicate
Severity: 2
OS: Linux (Debian/Gnu ia32/2.4.32)
Version: 5.0.19-standard-log/Oficial tarball
]]> Mon, 13 Mar 2006 00:29:33 +0000 Server http://bugs.mysql.com/21461 #21461: Long Varchars created unneeded waste in compression in Archive http://bugs.mysql.com/bug.php?id=21461 Submitted by: Brian Aker
Category: Server: Archive
Status: Closed
Severity: 5
OS: Any (all)
Version: 5.0
]]> Sun, 06 Aug 2006 01:28:37 +0000 Server: Archive http://bugs.mysql.com/26773 #26773: Possible Memory Leak with Archive Tables http://bugs.mysql.com/bug.php?id=26773 Submitted by: Chris Coyle
Category: Server: Archive
Status: Duplicate
Severity: 1
OS: Linux (Debian 3.1 (kernel 2.6.14.2))
Version: 5.0.27-max
]]> Thu, 01 Mar 2007 22:16:25 +0000 Server: Archive http://bugs.mysql.com/99694 #99694: Improving performance of my_hash_sort_utf8(mb4)/my_strnncollsp*utf8(mb4) http://bugs.mysql.com/bug.php?id=99694 Submitted by: Dmitriy Philimonov
Category: Server: Charsets
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Tue, 26 May 2020 13:06:56 +0000 Server: Charsets http://bugs.mysql.com/55606 #55606: Charset on ENUMS influencing performance too much http://bugs.mysql.com/bug.php?id=55606 Submitted by: Michael Riediger
Category: Server: Charsets
Status: Verified
Severity: 5
OS: Linux
Version: 5.1.47, 5.1.50-bzr, 5.5.23, 5.6.11
]]> Wed, 28 Jul 2010 15:25:49 +0000 Server: Charsets http://bugs.mysql.com/85331 #85331: _characterset specifications have lousy performance for some character sets http://bugs.mysql.com/bug.php?id=85331 Submitted by: Domas Mituzas
Category: Server: Charsets
Status: Closed
Severity: 3
OS: Any
Version: 5.6, 5.7, etc, 5.6.35
]]> Mon, 06 Mar 2017 19:46:45 +0000 Server: Charsets http://bugs.mysql.com/116492 #116492: The utf8mb4 character set has worse performance http://bugs.mysql.com/bug.php?id=116492 Submitted by: Xizhe Zhang
Category: Server: Charsets
Status: Verified
Severity: 5
OS: Any
Version: 8.0, 8.0.40
]]> Mon, 28 Oct 2024 11:47:13 +0000 Server: Charsets http://bugs.mysql.com/68366 #68366: regression: >=mysql-5.4 utf8 collations are marked as not ascii compatible http://bugs.mysql.com/bug.php?id=68366 Submitted by: Harm Geerts
Category: Server: Charsets
Status: Closed
Severity: 5
OS: Linux (Ubuntu 12.10)
Version: 5.5.29-0ubuntu0.12.10.1-log for debian-
]]> Wed, 13 Feb 2013 16:03:36 +0000 Server: Charsets http://bugs.mysql.com/72715 #72715: character set code endianness dependent on CPU type rather than endianness of CP http://bugs.mysql.com/bug.php?id=72715 Submitted by: Stewart Smith
Category: Server: Charsets
Status: Verified
Severity: 3
OS: Any
Version: 5.6.17
]]> Wed, 21 May 2014 22:39:44 +0000 Server: Charsets http://bugs.mysql.com/83319 #83319: Performance regression when changing character set to utf8mb4 http://bugs.mysql.com/bug.php?id=83319 Submitted by: Steinar Gunderson
Category: Server: Charsets
Status: Closed
Severity: 3
OS: Any
Version: 8.0.1
]]> Mon, 10 Oct 2016 12:44:22 +0000 Server: Charsets http://bugs.mysql.com/99190 #99190: my_tosort_unicode: unnecessary max_char check while utf8-mb3 processing http://bugs.mysql.com/bug.php?id=99190 Submitted by: Georgy Kirichenko
Category: Server: Charsets
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Mon, 06 Apr 2020 11:51:37 +0000 Server: Charsets http://bugs.mysql.com/38720 #38720: SELECT DISTINCT on multiple attributes containing spaces in UTF8 are slow. http://bugs.mysql.com/bug.php?id=38720 Submitted by: Roalt Zijlstra
Category: Server: Charsets
Status: Closed
Severity: 2
OS: Linux (Etch 4.0(am64 and x86))
Version: 5.0, 5.1, 6.0 bzr
]]> Mon, 11 Aug 2008 14:07:53 +0000 Server: Charsets http://bugs.mysql.com/43707 #43707: Columns in general_log and slow_log changed to "longtext" during upgrade http://bugs.mysql.com/bug.php?id=43707 Submitted by: Vemund Østgaard
Category: Server: Charsets
Status: Verified
Severity: 3
OS: Linux (2.6.9-34.ELsmp #1 SMP Fri Feb 24 16:56:28 EST 2006 x86_64 x86_64 x86_64 GNU/Linux)
Version: 6.0.10, 5.6
]]> Tue, 17 Mar 2009 16:29:49 +0000 Server: Charsets http://bugs.mysql.com/60726 #60726: Functions doing implicit int to string conversion called repeatedly slow down http://bugs.mysql.com/bug.php?id=60726 Submitted by: Karel Belohlavek
Category: Server: Charsets
Status: Duplicate
Severity: 2
OS: Linux (Debian Lenny, Arch Linux, adm64 and x86)
Version: 5.5.10
]]> Fri, 01 Apr 2011 21:01:49 +0000 Server: Charsets http://bugs.mysql.com/68795 #68795: Datetime field comparisons do not work properly with utf8_unicode_ci collation http://bugs.mysql.com/bug.php?id=68795 Submitted by: Ovais Tariq
Category: Server: Charsets
Status: Closed
Severity: 3
OS: Any
Version: 5.5.30
]]> Wed, 27 Mar 2013 12:22:27 +0000 Server: Charsets http://bugs.mysql.com/84577 #84577: strnxfrm runs slower when tailoring rule contains contraction http://bugs.mysql.com/bug.php?id=84577 Submitted by: Xing Zhang
Category: Server: Charsets
Status: Closed
Severity: 3
OS: Any
]]> Fri, 20 Jan 2017 08:49:43 +0000 Server: Charsets http://bugs.mysql.com/35165 #35165: Logging to table is slow for large queries http://bugs.mysql.com/bug.php?id=35165 Submitted by: Davi Arnaut
Category: Server: CSV
Status: Verified
Severity: 5
OS: Any
Version: 5.1
]]> Sat, 08 Mar 2008 17:48:33 +0000 Server: CSV http://bugs.mysql.com/93394 #93394: memory leak when csv engine has no permission to meta file http://bugs.mysql.com/bug.php?id=93394 Submitted by: 黄炎-爱可生
Category: Server: CSV
Status: Closed
Severity: 3
OS: Any
Version: 5.7.21
]]> Thu, 29 Nov 2018 05:46:21 +0000 Server: CSV http://bugs.mysql.com/95792 #95792: DD function for fetching tables in engine http://bugs.mysql.com/bug.php?id=95792 Submitted by: Magnus Blåudd
Category: Server: Data Dictionary
Status: Closed
Severity: 2
OS: Any
Version: 8.0.18
]]> Thu, 13 Jun 2019 15:21:37 +0000 Server: Data Dictionary http://bugs.mysql.com/98449 #98449: SELECT from I_S.INNODB_COLUMNS is slow in 8.0 http://bugs.mysql.com/bug.php?id=98449 Submitted by: Sergei Glushchenko
Category: Server: Data Dictionary
Status: Closed
Severity: 5
OS: Any
Version: 8.0.19
]]> Fri, 31 Jan 2020 12:25:59 +0000 Server: Data Dictionary http://bugs.mysql.com/103195 #103195: it gets very slow to access an empty table after drop a big database http://bugs.mysql.com/bug.php?id=103195 Submitted by: Brian Yue
Category: Server: Data Dictionary
Status: Verified
Severity: 5
OS: Linux (rhel-7.4)
Version: 8.0
]]> Fri, 02 Apr 2021 09:48:42 +0000 Server: Data Dictionary http://bugs.mysql.com/91420 #91420: Allocate DD auto releaser maps on demand http://bugs.mysql.com/bug.php?id=91420 Submitted by: Sivert Sørumgård
Category: Server: Data Dictionary
Status: Closed
Severity: 3
OS: Any
Version: 8.0.11
]]> Tue, 26 Jun 2018 10:03:56 +0000 Server: Data Dictionary http://bugs.mysql.com/115524 #115524: key_object_cache_mutex and key_object_loading_cond are not registered http://bugs.mysql.com/bug.php?id=115524 Submitted by: Huaxiong Song
Category: Server: Data Dictionary
Status: Closed
Severity: 3
OS: Any
Version: 8.0.38, 9.0.0
]]> Fri, 05 Jul 2024 10:13:32 +0000 Server: Data Dictionary http://bugs.mysql.com/82631 #82631: std::basic_string instantiation w/ PFS instrumentation for the DD http://bugs.mysql.com/bug.php?id=82631 Submitted by: Dyre Tjeldvoll
Category: Server: DDL
Status: Closed
Severity: 3
OS: Any
Version: 8.0.1
]]> Thu, 18 Aug 2016 11:45:06 +0000 Server: DDL http://bugs.mysql.com/106399 #106399: Regression on DDL statements with big stage/sql/checking permissions http://bugs.mysql.com/bug.php?id=106399 Submitted by: Matias Sánchez
Category: Server: DDL
Status: Duplicate
Severity: 3
OS: Any
Version: 8.0.26
]]> Tue, 08 Feb 2022 01:55:38 +0000 Server: DDL http://bugs.mysql.com/114465 #114465: Regression in 8.0.27+ related to Parallel DDL IO Amplification http://bugs.mysql.com/bug.php?id=114465 Submitted by: Marc Reilly
Category: Server: DDL
Status: Closed
Severity: 5
OS: Any
Version: 8.0.36, 8.3.0
]]> Sun, 24 Mar 2024 06:32:24 +0000 Server: DDL http://bugs.mysql.com/51680 #51680: "ALTER TABLE ... DELAY_KEY_WRITE=1" causes a full table copy http://bugs.mysql.com/bug.php?id=51680 Submitted by: Max Sheehan
Category: Server: DDL
Status: Duplicate
Severity: 3
OS: IBM AIX
Version: 5.1.43
]]> Wed, 03 Mar 2010 08:36:50 +0000 Server: DDL http://bugs.mysql.com/94610 #94610: Server stalls because ALTER TABLE on partitioned table holds dict mutex http://bugs.mysql.com/bug.php?id=94610 Submitted by: Justin Swanhart
Category: Server: DDL
Status: Verified
Severity: 5
OS: CentOS (7.5)
Version: 5.6.41
]]> Fri, 08 Mar 2019 19:09:33 +0000 Server: DDL http://bugs.mysql.com/106560 #106560: slow DDL in mysql 8.0 as compare to 5.7 taking more time for checking permission http://bugs.mysql.com/bug.php?id=106560 Submitted by: Aaditya Dubey
Category: Server: DDL
Status: Duplicate
Severity: 3
OS: Any
Version: 8.0.28
]]> Thu, 24 Feb 2022 14:51:22 +0000 Server: DDL http://bugs.mysql.com/24495 #24495: "create index" gets slower the more indexes there are http://bugs.mysql.com/bug.php?id=24495 Submitted by: P Eger
Category: Server: DDL
Status: Closed
Severity: 5
OS: Linux (Linux, Windows Server 2003 x64)
Version: 5.1.14-BK, 5.1.12-beta,5.0.24a
]]> Wed, 22 Nov 2006 03:37:09 +0000 Server: DDL http://bugs.mysql.com/116738 #116738: The DDL performance of 8.0.40 has not been restored to 8.0.26 http://bugs.mysql.com/bug.php?id=116738 Submitted by: Xizhe Zhang
Category: Server: DDL
Status: Verified
Severity: 5
OS: Any
Version: 8.0.40
]]> Thu, 21 Nov 2024 04:09:30 +0000 Server: DDL http://bugs.mysql.com/22487 #22487: mysql performs extremely slow when creating unique indexes on huge table http://bugs.mysql.com/bug.php?id=22487 Submitted by: Alexander Valyalkin
Category: Server: DDL
Status: Verified
Severity: 5
OS: Any
Version: 5.0.26
]]> Tue, 19 Sep 2006 17:57:05 +0000 Server: DDL http://bugs.mysql.com/118136 #118136: 8.0.27 DDL performance degradation - Flush Observer http://bugs.mysql.com/bug.php?id=118136 Submitted by: Xizhe Zhang
Category: Server: DDL
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 08 May 2025 10:10:33 +0000 Server: DDL http://bugs.mysql.com/8565 #8565: ALTER TABLE MODIFY adds duplicate keys which slow down SELECTs http://bugs.mysql.com/bug.php?id=8565 Submitted by: anzenews asdf
Category: Server: DDL
Status: Duplicate
Severity: 2
OS: Any (*)
Version: 5.0.30
]]> Thu, 17 Feb 2005 11:50:14 +0000 Server: DDL http://bugs.mysql.com/74487 #74487: primary key missing for query_rewrite.rewrite_rules http://bugs.mysql.com/bug.php?id=74487 Submitted by: Daniël van Eeden
Category: Server: DDL
Status: Closed
Severity: 3
OS: Any
Version: 5.7.5-labs-preview
]]> Tue, 21 Oct 2014 19:07:56 +0000 Server: DDL http://bugs.mysql.com/118130 #118130: 8.0.27 DDL performance degradation - Merge Sort http://bugs.mysql.com/bug.php?id=118130 Submitted by: Xizhe Zhang
Category: Server: DDL
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 08 May 2025 06:53:53 +0000 Server: DDL http://bugs.mysql.com/118133 #118133: 8.0.27 DDL performance degradation - Scan PK http://bugs.mysql.com/bug.php?id=118133 Submitted by: Xizhe Zhang
Category: Server: DDL
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 08 May 2025 08:40:27 +0000 Server: DDL http://bugs.mysql.com/42259 #42259: Utilizing a SELECT within a WHERE IN performs poorly (slow) http://bugs.mysql.com/bug.php?id=42259 Submitted by: Van Stokes
Category: Server: DML
Status: Closed
Severity: 2
OS: Linux (Ubuntu 12.04 x86_64)
Version: 5.5.25
]]> Thu, 22 Jan 2009 06:36:33 +0000 Server: DML http://bugs.mysql.com/109548 #109548: Poor performance when using HASH field to check unique http://bugs.mysql.com/bug.php?id=109548 Submitted by: Hope Lee
Category: Server: DML
Status: Closed
Severity: 5
OS: Any
Version: 8.0.13,8.0.31
]]> Mon, 09 Jan 2023 07:55:03 +0000 Server: DML http://bugs.mysql.com/118173 #118173: The insert statement suffers a performance penalty after commit cd66c5c. http://bugs.mysql.com/bug.php?id=118173 Submitted by: jinze si
Category: Server: DML
Status: Verified
Severity: 5
OS: Ubuntu (22.04)
Version: 8.0.42
]]> Tue, 13 May 2025 06:42:52 +0000 Server: DML http://bugs.mysql.com/118181 #118181: Performance regression on query statements after commit 0fa789a http://bugs.mysql.com/bug.php?id=118181 Submitted by: jinze si
Category: Server: DML
Status: Verified
Severity: 5
OS: Linux
Version: 8.0.42
]]> Tue, 13 May 2025 12:36:13 +0000 Server: DML http://bugs.mysql.com/118570 #118570: Performance regression occurs with INSERT statements after c17d86b http://bugs.mysql.com/bug.php?id=118570 Submitted by: jinze si
Category: Server: DML
Status: Verified
Severity: 5
OS: Linux (22.04)
Version: 8.0.42
]]> Wed, 02 Jul 2025 02:29:09 +0000 Server: DML http://bugs.mysql.com/102150 #102150: Performance of repeat() function need to be optimized http://bugs.mysql.com/bug.php?id=102150 Submitted by: dave do
Category: Server: DML
Status: Verified
Severity: 5
OS: Any
Version: MySQL 8.0.22
]]> Tue, 05 Jan 2021 11:53:40 +0000 Server: DML http://bugs.mysql.com/113800 #113800: Performance degradation of Blob operations comparing with MySQL 5.7 http://bugs.mysql.com/bug.php?id=113800 Submitted by: MOORE MIAO
Category: Server: DML
Status: Verified
Severity: 5
OS: Linux
Version: 8.0.22, 8.0.36, 8.0.11
]]> Tue, 30 Jan 2024 05:30:57 +0000 Server: DML http://bugs.mysql.com/102774 #102774: A scenario that result in memory leak http://bugs.mysql.com/bug.php?id=102774 Submitted by: Haixing Weng
Category: Server: DML
Status: Verified
Severity: 3
OS: Any
Version: 5.7.31,8.0.22, 5.7.33
]]> Tue, 02 Mar 2021 00:37:26 +0000 Server: DML http://bugs.mysql.com/69368 #69368: performance regression in 5.6.6+ for insert into .... select ... from http://bugs.mysql.com/bug.php?id=69368 Submitted by: Shane Bester
Category: Server: DML
Status: Closed
Severity: 5
OS: Any
Version: 5.6.6
]]> Fri, 31 May 2013 20:36:39 +0000 Server: DML http://bugs.mysql.com/70202 #70202: REPLACE working differently for a table having PK or UK only versus both PK+UK http://bugs.mysql.com/bug.php?id=70202 Submitted by: Przemyslaw Malkowski
Category: Server: DML
Status: Verified
Severity: 3
OS: Any
Version: 5.5, 5.6
]]> Fri, 30 Aug 2013 15:36:57 +0000 Server: DML http://bugs.mysql.com/87637 #87637: High CPU occupancy rate http://bugs.mysql.com/bug.php?id=87637 Submitted by: Xiaoyu Wang
Category: Server: DML
Status: Verified
Severity: 5
OS: Linux
Version: 5.7.17
]]> Fri, 01 Sep 2017 08:44:42 +0000 Server: DML http://bugs.mysql.com/116393 #116393: Degrading performance of MD5(), SHA2() functions http://bugs.mysql.com/bug.php?id=116393 Submitted by: Eimantas Jatkonis
Category: Server: DML
Status: Closed
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 17 Oct 2024 12:46:15 +0000 Server: DML http://bugs.mysql.com/40374 #40374: LOAD DATA with CONVERT_TZ causes memory leak http://bugs.mysql.com/bug.php?id=40374 Submitted by: Joachim Zobel
Category: Server: DML
Status: Closed
Severity: 3
OS: Linux (Debian Lenny amd64)
Version: 5.0.51a
]]> Tue, 28 Oct 2008 17:32:14 +0000 Server: DML http://bugs.mysql.com/45962 #45962: memory leak after 'sort aborted' errors http://bugs.mysql.com/bug.php?id=45962 Submitted by: Shane Bester
Category: Server: DML
Status: Closed
Severity: 2
OS: Any
Version: 5.0.84, 5.1.37, 6.0.12
]]> Mon, 06 Jul 2009 08:39:30 +0000 Server: DML http://bugs.mysql.com/50774 #50774: Wrong resultset when timestamp values are appended with .0 http://bugs.mysql.com/bug.php?id=50774 Submitted by: Jingqi Xu
Category: Server: DML
Status: Closed
Severity: 1
OS: Any
Version: 5.1.44, 5.1.49, 5.5.99, 5.5.6rc
]]> Mon, 01 Feb 2010 02:23:24 +0000 Server: DML http://bugs.mysql.com/75807 #75807: Slow Query in MySQL 5.6 http://bugs.mysql.com/bug.php?id=75807 Submitted by: Carsten Bohuslav
Category: Server: DML
Status: Verified
Severity: 5
OS: Linux
Version: 5.6.22
]]> Fri, 06 Feb 2015 10:00:48 +0000 Server: DML http://bugs.mysql.com/107026 #107026: Update performs full table scan due to too many indexes http://bugs.mysql.com/bug.php?id=107026 Submitted by: huang rong
Category: Server: DML
Status: Closed
Severity: 3
OS: Debian
Version: 5.7.36
]]> Thu, 14 Apr 2022 16:17:35 +0000 Server: DML http://bugs.mysql.com/70402 #70402: new deprecation warnings introduce unwanted performance degradation side-effect http://bugs.mysql.com/bug.php?id=70402 Submitted by: Shane Bester
Category: Server: Errors
Status: Closed
Severity: 5
OS: Any
Version: 5.7.2
]]> Mon, 23 Sep 2013 21:35:25 +0000 Server: Errors http://bugs.mysql.com/60968 #60968: Cancelled queries not reported in slow query log http://bugs.mysql.com/bug.php?id=60968 Submitted by: Greg Kemnitz
Category: Server: Errors
Status: Verified
Severity: 3
OS: Any
Version: 5.1.43sp1-enterprise-gpl-advanced-log
]]> Sun, 24 Apr 2011 18:40:09 +0000 Server: Errors http://bugs.mysql.com/67892 #67892: Warning recommends to use a deprecated or non-existing option http://bugs.mysql.com/bug.php?id=67892 Submitted by: Elena Stepanova
Category: Server: Errors
Status: Closed
Severity: 3
OS: Any
Version: 5.5.28, 5.6.9
]]> Thu, 13 Dec 2012 02:37:22 +0000 Server: Errors http://bugs.mysql.com/26697 #26697: Every query to a federated table results in a full scan of MyISAM table. http://bugs.mysql.com/bug.php?id=26697 Submitted by: Jose Luis Palacios
Category: Server: Federated
Status: Verified
Severity: 2
OS: Linux (Linux, Windows 2000)
Version: 5.0.38-BK, 5.0.27, 5.1
]]> Tue, 27 Feb 2007 21:53:26 +0000 Server: Federated http://bugs.mysql.com/40875 #40875: Memory leak in FEDERATED handler http://bugs.mysql.com/bug.php?id=40875 Submitted by: Ramil Kalimullin
Category: Server: Federated
Status: Closed
Severity: 2
OS: Any
Version: 5.0
]]> Thu, 20 Nov 2008 07:10:08 +0000 Server: Federated http://bugs.mysql.com/21472 #21472: question about the query against to the federated engine tables http://bugs.mysql.com/bug.php?id=21472 Submitted by: ming lu
Category: Server: Federated
Status: Duplicate
Severity: 5
OS: Linux (linux)
Version: 5.1.12
]]> Mon, 07 Aug 2006 07:13:05 +0000 Server: Federated http://bugs.mysql.com/68572 #68572: FEDERATED using SHOW TABLE STATUS causes performance problems for InnoDB tables http://bugs.mysql.com/bug.php?id=68572 Submitted by: Przemysław Ołtarzewski
Category: Server: Federated
Status: Verified
Severity: 3
OS: Any
Version: 5.5.25a, 5.5.31
]]> Tue, 05 Mar 2013 10:57:18 +0000 Server: Federated http://bugs.mysql.com/34789 #34789: drop server/create server leaks memory ! http://bugs.mysql.com/bug.php?id=34789 Submitted by: Shane Bester
Category: Server: Federated
Status: Closed
Severity: 3
OS: Any
Version: 5.1.23, 5.1.24-rc
]]> Sun, 24 Feb 2008 13:49:47 +0000 Server: Federated http://bugs.mysql.com/75763 #75763: InnoDB FULLTEXT index reduces insert performance by up to 6x on JSON docs http://bugs.mysql.com/bug.php?id=75763 Submitted by: Justin Swanhart
Category: Server: FTS
Status: Verified
Severity: 2
OS: Any
Version: 5.6.21, 5.6.24
]]> Wed, 04 Feb 2015 13:29:43 +0000 Server: FTS http://bugs.mysql.com/102249 #102249: Slow query log filling up with performance_schema queries http://bugs.mysql.com/bug.php?id=102249 Submitted by: Matthias Crauwels
Category: Server: GCS
Status: Verified
Severity: 3
OS: Any
Version: 8.0.22
]]> Thu, 14 Jan 2021 15:56:28 +0000 Server: GCS http://bugs.mysql.com/118043 #118043: mgr single leader mode tps slow down and 0 in the end when network is unstable http://bugs.mysql.com/bug.php?id=118043 Submitted by: pig zhu
Category: Server: GCS
Status: Duplicate
Severity: 2
OS: CentOS
Version: 8.0.36
]]> Wed, 23 Apr 2025 16:32:38 +0000 Server: GCS http://bugs.mysql.com/99133 #99133: Group Replication Performance Degradation with partial network outage http://bugs.mysql.com/bug.php?id=99133 Submitted by: Tibor Korocz
Category: Server: GCS
Status: Verified
Severity: 3
OS: Any
Version: 8.0.19
]]> Tue, 31 Mar 2020 15:08:05 +0000 Server: GCS http://bugs.mysql.com/116013 #116013: Mitigate Performance Fluctuations in MySQL Group Replication http://bugs.mysql.com/bug.php?id=116013 Submitted by: Bin Wang
Category: Server: GCS
Status: Verified
Severity: 5
OS: Any
Version: all versions
]]> Thu, 05 Sep 2024 15:36:18 +0000 Server: GCS http://bugs.mysql.com/110518 #110518: Memory leak possible http://bugs.mysql.com/bug.php?id=110518 Submitted by: Fangxin Flou
Category: Server: GCS
Status: Closed
Severity: 3
OS: Any
Version: all, 8.0
]]> Mon, 27 Mar 2023 23:53:42 +0000 Server: GCS http://bugs.mysql.com/115162 #115162: Potential Memory Leak in file `xcom\network\xcom_network_provider_native_lib.cc` http://bugs.mysql.com/bug.php?id=115162 Submitted by: Yu Xiao
Category: Server: GCS
Status: Closed
Severity: 2
OS: Any
Version: 8.0
]]> Wed, 29 May 2024 13:01:34 +0000 Server: GCS http://bugs.mysql.com/84773 #84773: Flow control slows down throughput while a node join the cluster http://bugs.mysql.com/bug.php?id=84773 Submitted by: Rene' Cannao'
Category: Server: GCS
Status: Closed
Severity: 5
OS: Linux
Version: 5.7.17
]]> Wed, 01 Feb 2017 14:29:24 +0000 Server: GCS http://bugs.mysql.com/84774 #84774: Performance drop every 60 seconds http://bugs.mysql.com/bug.php?id=84774 Submitted by: Rene' Cannao'
Category: Server: GCS
Status: Verified
Severity: 5
OS: Any
Version: 5.7.17
]]> Wed, 01 Feb 2017 14:53:56 +0000 Server: GCS http://bugs.mysql.com/86626 #86626: Group replication partition handling thread is not instrumented on perf schema http://bugs.mysql.com/bug.php?id=86626 Submitted by: Pedro Gomes
Category: Server: GCS
Status: Closed
Severity: 3
OS: Any
Version: 5.7.19
]]> Thu, 08 Jun 2017 16:42:02 +0000 Server: GCS http://bugs.mysql.com/89195 #89195: Total ordering of transactions is not respected in Group Replication. http://bugs.mysql.com/bug.php?id=89195 Submitted by: Jean-François Gagné
Category: Server: GCS
Status: Closed
Severity: 2
OS: Any
Version: 5.7.20, 8.0.3
]]> Thu, 11 Jan 2018 19:15:36 +0000 Server: GCS http://bugs.mysql.com/91151 #91151: Add a Learner/Observer role to leverage it in WAN setup http://bugs.mysql.com/bug.php?id=91151 Submitted by: Artem Danilov
Category: Server: GCS
Status: Verified
Severity: 3
OS: Any
Version: 8.0.11
]]> Tue, 05 Jun 2018 17:12:57 +0000 Server: GCS http://bugs.mysql.com/43427 #43427: Don't limit table_cache_size as a function of max_connections http://bugs.mysql.com/bug.php?id=43427 Submitted by: Mark Callaghan
Category: Server: General
Status: Verified
Severity: 5
OS: Any
Version: 5.0
]]> Thu, 05 Mar 2009 17:17:42 +0000 Server: General http://bugs.mysql.com/47286 #47286: 'have_federated' variable not implemented http://bugs.mysql.com/bug.php?id=47286 Submitted by: Peter Laursen
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.1.38
]]> Sat, 12 Sep 2009 11:22:05 +0000 Server: General http://bugs.mysql.com/49491 #49491: Much overhead for MD5() and SHA1() on short strings http://bugs.mysql.com/bug.php?id=49491 Submitted by: Jan Steemann
Category: Server: General
Status: Closed
Severity: 5
OS: Any
Version: 5.1.38 and above
]]> Sun, 06 Dec 2009 23:14:16 +0000 Server: General http://bugs.mysql.com/54790 #54790: Use of non-blocking mode for sockets limits performance http://bugs.mysql.com/bug.php?id=54790 Submitted by: Mark Callaghan
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.1.47
]]> Fri, 25 Jun 2010 03:58:32 +0000 Server: General http://bugs.mysql.com/21798 #21798: memory leak during query execution with subquery in column list using a function http://bugs.mysql.com/bug.php?id=21798 Submitted by: Harrison Fisk
Category: Server: General
Status: Closed
Severity: 2
OS: Linux (Linux 2.6.15 (Ubuntu 6.06 LTS))
Version: 5.0.24
]]> Wed, 23 Aug 2006 17:36:58 +0000 Server: General http://bugs.mysql.com/25659 #25659: memory leak via "plugins" test http://bugs.mysql.com/bug.php?id=25659 Submitted by: Chad MILLER
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Tue, 16 Jan 2007 22:38:52 +0000 Server: General http://bugs.mysql.com/42412 #42412: IPv6 connection handling code bugs http://bugs.mysql.com/bug.php?id=42412 Submitted by: Frazer Clement
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 6.0,5.4
]]> Wed, 28 Jan 2009 10:53:12 +0000 Server: General http://bugs.mysql.com/26967 #26967: SHOW PROFILE: Inconsistent output capitalization http://bugs.mysql.com/bug.php?id=26967 Submitted by: Paul DuBois
Category: Server: General
Status: Verified
Severity: 3
OS: Any (all)
Version: 5.0.37
]]> Thu, 08 Mar 2007 18:00:01 +0000 Server: General http://bugs.mysql.com/34820 #34820: log_output can be set to illegal value http://bugs.mysql.com/bug.php?id=34820 Submitted by: Paul DuBois
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Mon, 25 Feb 2008 21:03:27 +0000 Server: General http://bugs.mysql.com/57058 #57058: SERVER_QUERY_WAS_SLOW not wired up. http://bugs.mysql.com/bug.php?id=57058 Submitted by: Mark Leith
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.5.6
]]> Tue, 28 Sep 2010 09:57:03 +0000 Server: General http://bugs.mysql.com/60811 #60811: slow timezone functions http://bugs.mysql.com/bug.php?id=60811 Submitted by: Steven Barre
Category: Server: General
Status: Verified
Severity: 5
OS: Any (RHEL 5.5, Mac OS X)
Version: 5.0.93, 5.5.12, 5.0.77-4.el5_5.4
]]> Fri, 08 Apr 2011 23:41:47 +0000 Server: General http://bugs.mysql.com/61621 #61621: ALTER TABLE very slow on empy partitioned table http://bugs.mysql.com/bug.php?id=61621 Submitted by: Chris Wagner
Category: Server: General
Status: Duplicate
Severity: 3
OS: Linux (Ubuntu)
Version: 5.5.13
]]> Thu, 23 Jun 2011 22:51:50 +0000 Server: General http://bugs.mysql.com/24509 #24509: 2048 file descriptor limit on windows needs increasing http://bugs.mysql.com/bug.php?id=24509 Submitted by: Shane Bester
Category: Server: General
Status: Closed
Severity: 3
OS: Windows (Windows)
Version: 5.0,5.1
]]> Wed, 22 Nov 2006 15:09:44 +0000 Server: General http://bugs.mysql.com/28382 #28382: Query cache considered harmful http://bugs.mysql.com/bug.php?id=28382 Submitted by: Lutz Euler
Category: Server: General
Status: Duplicate
Severity: 3
OS: Any
Version: Several
]]> Fri, 11 May 2007 15:48:21 +0000 Server: General http://bugs.mysql.com/30439 #30439: tmpdir is not followed for temporary tables in group by http://bugs.mysql.com/bug.php?id=30439 Submitted by: Peter Zaitsev
Category: Server: General
Status: Duplicate
Severity: 3
OS: Linux
Version: 5.0.45
]]> Wed, 15 Aug 2007 14:45:00 +0000 Server: General http://bugs.mysql.com/39492 #39492: solaris should use a separate alarm thread http://bugs.mysql.com/bug.php?id=39492 Submitted by: yufei zgu
Category: Server: General
Status: Closed
Severity: 5
OS: Solaris
Version: 5.0.51a
]]> Wed, 17 Sep 2008 00:58:52 +0000 Server: General http://bugs.mysql.com/42705 #42705: Reduce malloc/free during query lifecycle. http://bugs.mysql.com/bug.php?id=42705 Submitted by: Neel Nadgir
Category: Server: General
Status: Verified
Severity: 3
OS: Any
Version: 5.1.30
]]> Mon, 09 Feb 2009 16:37:22 +0000 Server: General http://bugs.mysql.com/42158 #42158: leak: SSL_get_peer_certificate() doesn't have matching X509_free() http://bugs.mysql.com/bug.php?id=42158 Submitted by: Liam Kelleher
Category: Server: General
Status: Closed
Severity: 2
OS: Any
Version: 4.1, 5.0, 5.1, 6.0
]]> Fri, 16 Jan 2009 13:48:28 +0000 Server: General http://bugs.mysql.com/25222 #25222: Win32 HANDLE leak in my_sopen() http://bugs.mysql.com/bug.php?id=25222 Submitted by: Shane Bester
Category: Server: General
Status: Closed
Severity: 3
OS: Windows (windows)
Version: 5.0
]]> Wed, 20 Dec 2006 19:15:46 +0000 Server: General http://bugs.mysql.com/52629 #52629: memory leak from sys_var_thd_dbug in binlog.binlog_write_error http://bugs.mysql.com/bug.php?id=52629 Submitted by: Mark Callaghan
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.1.45, 5.1 bzr
]]> Tue, 06 Apr 2010 18:54:31 +0000 Server: General http://bugs.mysql.com/47937 #47937: Appending to fields using CONCAT gets very slow http://bugs.mysql.com/bug.php?id=47937 Submitted by: Marcus Bointon
Category: Server: General
Status: Verified
Severity: 5
OS: Any
]]> Fri, 09 Oct 2009 09:11:40 +0000 Server: General http://bugs.mysql.com/37703 #37703: MySQL performance with and without Fast Mutexes using Sysbench Workload http://bugs.mysql.com/bug.php?id=37703 Submitted by: Harita Chilukuri
Category: Server: General
Status: Closed
Severity: 5
OS: Linux (EL5.1)
Version: MYSQL 6.0.4 (Source Distribution)
]]> Fri, 27 Jun 2008 21:20:18 +0000 Server: General http://bugs.mysql.com/42608 #42608: Summit may need changes to default config parameters for optimal performance http://bugs.mysql.com/bug.php?id=42608 Submitted by: Trudy Pelzer
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: Summit v0.2.0
]]> Wed, 04 Feb 2009 21:42:40 +0000 Server: General http://bugs.mysql.com/50367 #50367: REPLACE has quadradic computational complexity on windows server (but not linux) http://bugs.mysql.com/bug.php?id=50367 Submitted by: Morten Kloster
Category: Server: General
Status: Verified
Severity: 5
OS: Any (MS Windows 32 bits, Mac)
Version: 5.1.42, 5.1 bzr
]]> Fri, 15 Jan 2010 14:12:01 +0000 Server: General http://bugs.mysql.com/27271 #27271: Repeating a query slows it down http://bugs.mysql.com/bug.php?id=27271 Submitted by:
Category: Server: General
Status: Closed
Severity: 3
OS: Linux (Debian Etch 64bit)
Version: 5.0.32-Debian_7-log
]]> Mon, 19 Mar 2007 18:38:54 +0000 Server: General http://bugs.mysql.com/27924 #27924: FLUSH LOGS crashes database http://bugs.mysql.com/bug.php?id=27924 Submitted by: Ronald Klop
Category: Server: General
Status: Closed
Severity: 2
OS: Linux (Debian 3.1 i386)
Version: 5.0.24-Debian_1~bpo.1-log
]]> Wed, 18 Apr 2007 10:36:09 +0000 Server: General http://bugs.mysql.com/52410 #52410: Test "mysqld--help-*": further output differences http://bugs.mysql.com/bug.php?id=52410 Submitted by: Joerg Bruehe
Category: Server: General
Status: Closed
Severity: 3
OS: Any
Version: 5.5.3-m3
]]> Sat, 27 Mar 2010 18:43:26 +0000 Server: General http://bugs.mysql.com/61204 #61204: Inacurate statistics on a server with 50% persistent connections http://bugs.mysql.com/bug.php?id=61204 Submitted by: Julien Palard
Category: Server: General
Status: Closed
Severity: 3
OS: Linux (mysql Ver 14.12 Distrib 5.0.51a, for debian-linux-gnu (x86_64))
Version: 5.0.51a
]]> Tue, 17 May 2011 15:24:49 +0000 Server: General http://bugs.mysql.com/34254 #34254: Very slow queries when using functions in SELECT statements http://bugs.mysql.com/bug.php?id=34254 Submitted by: Van Stokes
Category: Server: General
Status: Closed
Severity: 2
OS: Windows (XP x64 AMD DC)
Version: 5.1.22 RC (x64)
]]> Sat, 02 Feb 2008 20:26:09 +0000 Server: General http://bugs.mysql.com/22947 #22947: Performance regression in C API 4.1 versus 4.0 http://bugs.mysql.com/bug.php?id=22947 Submitted by: Shawn Green
Category: Server: General
Status: Duplicate
Severity: 2
OS: Linux 2.4.18 SMP kernel
Version: 4.1.21
]]> Tue, 03 Oct 2006 16:16:12 +0000 Server: General http://bugs.mysql.com/51286 #51286: Request to add performance regression to release acceptance tests http://bugs.mysql.com/bug.php?id=51286 Submitted by: Shawn Green
Category: Server: General
Status: Verified
Severity: 3
OS: Any
Version: any
]]> Thu, 18 Feb 2010 15:56:28 +0000 Server: General http://bugs.mysql.com/83166 #83166: Query execution involving spatial and non-spatial data very slow http://bugs.mysql.com/bug.php?id=83166 Submitted by: Ioannis Priggouris
Category: Server: GIS
Status: Closed
Severity: 5
OS: Any
Version: 5.7.15
]]> Tue, 27 Sep 2016 10:09:04 +0000 Server: GIS http://bugs.mysql.com/74949 #74949: GIS performance issue: too many reallocs http://bugs.mysql.com/bug.php?id=74949 Submitted by: Wei Zhao
Category: Server: GIS
Status: Closed
Severity: 3
OS: Any
Version: 5.7.6
]]> Fri, 21 Nov 2014 06:30:02 +0000 Server: GIS http://bugs.mysql.com/102599 #102599: Slow performance of MySQL 8 compared with 5.7 on geographical SELECT http://bugs.mysql.com/bug.php?id=102599 Submitted by: Martin Baxter
Category: Server: GIS
Status: Verified
Severity: 5
OS: Windows (Win 10)
Version: 8.0.22
]]> Mon, 15 Feb 2021 12:11:56 +0000 Server: GIS http://bugs.mysql.com/96311 #96311: ST_Intersects() is very slow on MySQL 8.0 http://bugs.mysql.com/bug.php?id=96311 Submitted by: Yoshiaki Yamasaki
Category: Server: GIS
Status: Duplicate
Severity: 5
OS: Any
Version: 8.0.17
]]> Wed, 24 Jul 2019 09:02:25 +0000 Server: GIS http://bugs.mysql.com/79406 #79406: Extremely poor selection performance compared to MySQL 5.6.27 on InnoDB & MyISAM http://bugs.mysql.com/bug.php?id=79406 Submitted by: Sebastian Hönel
Category: Server: GIS
Status: Closed
Severity: 2
OS: Any
Version: 5.7.9 GA, 5.7.11
]]> Wed, 25 Nov 2015 09:49:38 +0000 Server: GIS http://bugs.mysql.com/59111 #59111: gis crashes when server is compiled without performance schema http://bugs.mysql.com/bug.php?id=59111 Submitted by: Alfranio Tavares Correia Junior
Category: Server: GIS
Status: Closed
Severity: 3
OS: Any
Version: 5.6+
]]> Wed, 22 Dec 2010 10:40:34 +0000 Server: GIS http://bugs.mysql.com/77960 #77960: Upgrade to Boost 1.59.0 http://bugs.mysql.com/bug.php?id=77960 Submitted by: Norvald Ryeng
Category: Server: GIS
Status: Closed
Severity: 3
OS: Any
]]> Thu, 06 Aug 2015 11:21:04 +0000 Server: GIS http://bugs.mysql.com/79380 #79380: Upgrade to Boost 1.60.0 http://bugs.mysql.com/bug.php?id=79380 Submitted by: Norvald Ryeng
Category: Server: GIS
Status: Closed
Severity: 3
OS: Any
Version: 8.0.0
]]> Mon, 23 Nov 2015 08:11:25 +0000 Server: GIS http://bugs.mysql.com/89122 #89122: Severe performance regression in server bootstrap http://bugs.mysql.com/bug.php?id=89122 Submitted by: Georgi Kodinov
Category: Server: GIS
Status: Closed
Severity: 3
OS: Any
Version: 8.0.5
]]> Fri, 05 Jan 2018 16:47:24 +0000 Server: GIS http://bugs.mysql.com/74371 #74371: Valgrind: Memory leak when doing spatial operations on geometrycollections http://bugs.mysql.com/bug.php?id=74371 Submitted by: Norvald Ryeng
Category: Server: GIS
Status: Closed
Severity: 3
OS: Any
Version: 5.7.6
]]> Tue, 14 Oct 2014 11:32:45 +0000 Server: GIS http://bugs.mysql.com/35414 #35414: MBRContains fails to select records when using index http://bugs.mysql.com/bug.php?id=35414 Submitted by: Jim Knepley
Category: Server: GIS
Status: Duplicate
Severity: 3
OS: Other (Linux / Solaris)
Version: 5.0.51 and 5.0.51a
]]> Tue, 18 Mar 2008 19:16:30 +0000 Server: GIS http://bugs.mysql.com/47961 #47961: metadata leak from information_schema.routines via privs on mysql.proc table http://bugs.mysql.com/bug.php?id=47961 Submitted by: Jeff Stoner
Category: Server: I_S
Status: Verified
Severity: 3
OS: Linux (only tested on CentOS 5.3)
Version: 5.1.39-community,5.5+
]]> Fri, 09 Oct 2009 21:51:42 +0000 Server: I_S http://bugs.mysql.com/51208 #51208: Extra string allocation from thd->mem_root in sql_show.cc, find_files() http://bugs.mysql.com/bug.php?id=51208 Submitted by: Kevin Lewis
Category: Server: I_S
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Tue, 16 Feb 2010 14:29:48 +0000 Server: I_S http://bugs.mysql.com/41925 #41925: Warning 1366 Incorrect string value: ... for column processlist.info http://bugs.mysql.com/bug.php?id=41925 Submitted by: Matthias Leich
Category: Server: I_S
Status: Verified
Severity: 3
OS: Any
Version: 5.6.30, 5.7.12, 8.0.0
]]> Wed, 07 Jan 2009 15:43:56 +0000 Server: I_S http://bugs.mysql.com/43818 #43818: LOJ on I_S too slow http://bugs.mysql.com/bug.php?id=43818 Submitted by: Jared S
Category: Server: I_S
Status: Closed
Severity: 5
OS: Any (MS Windows, Linux)
Version: 5.1.32
]]> Tue, 24 Mar 2009 04:05:17 +0000 Server: I_S http://bugs.mysql.com/32837 #32837: I_S Querys take too long http://bugs.mysql.com/bug.php?id=32837 Submitted by: Jared S
Category: Server: I_S
Status: Duplicate
Severity: 5
OS: Windows (Vista)
Version: 5.0.50
]]> Thu, 29 Nov 2007 05:33:18 +0000 Server: I_S http://bugs.mysql.com/77861 #77861: "SHOW PROCESSLIST" needs higher resolution time http://bugs.mysql.com/bug.php?id=77861 Submitted by: Domas Mituzas
Category: Server: I_S
Status: Verified
Severity: 3
OS: Any
Version: 5.6, 5.6.26
]]> Tue, 28 Jul 2015 17:30:30 +0000 Server: I_S http://bugs.mysql.com/98750 #98750: SHOW FIELDS command regression on MySQL 8.0 http://bugs.mysql.com/bug.php?id=98750 Submitted by: Juan Arruti
Category: Server: I_S
Status: Closed
Severity: 5
OS: Any
Version: 8.0, 8.0.19
]]> Wed, 26 Feb 2020 20:11:35 +0000 Server: I_S http://bugs.mysql.com/117049 #117049: if mysql upgrade failed in upgrade_system_schemas(), the rest process cannot be executed again http://bugs.mysql.com/bug.php?id=117049 Submitted by: Steven Light
Category: Server: I_S
Status: Verified
Severity: 3
OS: Any
Version: 8.0.22
]]> Thu, 26 Dec 2024 13:59:23 +0000 Server: I_S http://bugs.mysql.com/38918 #38918: selecting from information_schema.columns is disproportionately slow http://bugs.mysql.com/bug.php?id=38918 Submitted by: Philip Stoev
Category: Server: I_S
Status: Closed
Severity: 3
OS: Any
Version: 5.1.26,6.0.6
]]> Wed, 20 Aug 2008 15:44:23 +0000 Server: I_S http://bugs.mysql.com/39990 #39990: poor performace of "SHOW VARIABLES" http://bugs.mysql.com/bug.php?id=39990 Submitted by: wang xiaolin
Category: Server: I_S
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1.23, 5.1.28
]]> Sun, 12 Oct 2008 16:19:26 +0000 Server: I_S http://bugs.mysql.com/42248 #42248: Information schema has no indexes http://bugs.mysql.com/bug.php?id=42248 Submitted by: vladimiro falacci
Category: Server: I_S
Status: Duplicate
Severity: 5
OS: Windows
Version: 6.0.0-alpha-community-nt-debug
]]> Wed, 21 Jan 2009 18:27:08 +0000 Server: I_S http://bugs.mysql.com/52086 #52086: show function status http://bugs.mysql.com/bug.php?id=52086 Submitted by: Claudio Fior
Category: Server: I_S
Status: Duplicate
Severity: 3
OS: Windows (Server 2003)
Version: 5.1.44
]]> Tue, 16 Mar 2010 12:03:04 +0000 Server: I_S http://bugs.mysql.com/19588 #19588: INFORMATION_SCHEMA performs much too slow on large servers http://bugs.mysql.com/bug.php?id=19588 Submitted by: Markus Popp
Category: Server: I_S
Status: Closed
Severity: 5
OS: Any (all)
Version: 5.0, 5.1
]]> Sat, 06 May 2006 23:47:59 +0000 Server: I_S http://bugs.mysql.com/29263 #29263: disabled storage engines omitted in SHOW ENGINES http://bugs.mysql.com/bug.php?id=29263 Submitted by: Sergei Golubchik
Category: Server: I_S
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Thu, 21 Jun 2007 09:46:44 +0000 Server: I_S http://bugs.mysql.com/98238 #98238: I_S.KEY_COLUMN_USAGE is very slow http://bugs.mysql.com/bug.php?id=98238 Submitted by: Manuel Mausz
Category: Server: I_S
Status: Closed
Severity: 5
OS: Any
Version: 8
]]> Wed, 15 Jan 2020 12:26:38 +0000 Server: I_S http://bugs.mysql.com/116565 #116565: select I_S.innodb_tables is very slow for table with many partitions http://bugs.mysql.com/bug.php?id=116565 Submitted by: Huaxiong Song
Category: Server: I_S
Status: Verified
Severity: 5
OS: Any
Version: 8.0.40
]]> Wed, 06 Nov 2024 03:38:03 +0000 Server: I_S http://bugs.mysql.com/40367 #40367: SHOW on a broad view is taking too long http://bugs.mysql.com/bug.php?id=40367 Submitted by: Andreas Streichardt
Category: Server: I_S
Status: Verified
Severity: 3
OS: Any
Version: 5.1.28, 5.1.29, 5.0, 5.1 bzr
]]> Tue, 28 Oct 2008 08:55:00 +0000 Server: I_S http://bugs.mysql.com/84305 #84305: The fix for Bug#78777 has different behavior with perf. schema vs. without it http://bugs.mysql.com/bug.php?id=84305 Submitted by: Jay Edgar
Category: Server: I_S
Status: Closed
Severity: 2
OS: Any
Version: 5.6.35
]]> Thu, 22 Dec 2016 01:22:42 +0000 Server: I_S http://bugs.mysql.com/115328 #115328: Poor write performance due to new default value of innodb_doublewrite_pages http://bugs.mysql.com/bug.php?id=115328 Submitted by: SeWoong Jeon
Category: Server: InnoDB
Status: Analyzing
Severity: 5
OS: Red Hat (Rocky Linux 8.8)
Version: 8.4.0
]]> Fri, 14 Jun 2024 02:13:26 +0000 Server: InnoDB http://bugs.mysql.com/86705 #86705: Memory leak of Innodb http://bugs.mysql.com/bug.php?id=86705 Submitted by: qinglin zhang
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Linux (MySQL OOM because of memory leak)
Version: 5.5.45, 5.5.56
]]> Thu, 15 Jun 2017 02:25:55 +0000 Server: InnoDB http://bugs.mysql.com/108430 #108430: performance degradation of DML operations comparing with MySQL 5.7 http://bugs.mysql.com/bug.php?id=108430 Submitted by: Andrew Zhylenko
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Oracle Linux (Oracle Linux Server release 7.9 3.10.0-1160.76.1.0.1.el7.x86_64)
Version: 8.0.29
]]> Thu, 08 Sep 2022 13:52:54 +0000 Server: InnoDB http://bugs.mysql.com/18054 #18054: Severe performance degradation when Hyperthreading is on http://bugs.mysql.com/bug.php?id=18054 Submitted by: Tetsuro Ikeda
Category: Server: InnoDB
Status: Closed
Severity: 1
OS: Miracle Linux ver4 (kernel 2.6)
Version: 5.0.18
]]> Wed, 08 Mar 2006 02:04:46 +0000 Server: InnoDB http://bugs.mysql.com/103743 #103743: slow mysql8 start with lots of _encrypted_ tables http://bugs.mysql.com/bug.php?id=103743 Submitted by: roland schmidt
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: CentOS
Version: 8.0.18, 8.0.25
]]> Wed, 19 May 2021 21:07:52 +0000 Server: InnoDB http://bugs.mysql.com/109539 #109539: Performance of scanning data_lock_waits worse than expected with read-only trx http://bugs.mysql.com/bug.php?id=109539 Submitted by: Simmon Wu
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 05 Jan 2023 06:09:01 +0000 Server: InnoDB http://bugs.mysql.com/95933 #95933: Performance regression of MySQL8.0 on 8 core environment http://bugs.mysql.com/bug.php?id=95933 Submitted by: Zongzhi Chen
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: 8.0.16
]]> Sun, 23 Jun 2019 16:06:50 +0000 Server: InnoDB http://bugs.mysql.com/93165 #93165: Memory leak in sync_latch_meta_init() after mysqld shutdown detected by ASan http://bugs.mysql.com/bug.php?id=93165 Submitted by: Yura Sorokin
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.7.23, 5.7.24
]]> Mon, 12 Nov 2018 15:11:43 +0000 Server: InnoDB http://bugs.mysql.com/7150 #7150: InnoDB TRUNCATE can get very slow http://bugs.mysql.com/bug.php?id=7150 Submitted by: B Jones
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Linux (Linux)
Version: 4.1
]]> Fri, 10 Dec 2004 00:18:53 +0000 Server: InnoDB http://bugs.mysql.com/103034 #103034: new undo log purge strategy purge record too slow on single table http://bugs.mysql.com/bug.php?id=103034 Submitted by: Zongzhi Chen
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 18 Mar 2021 09:29:27 +0000 Server: InnoDB http://bugs.mysql.com/83532 #83532: InnoDB mutex bs: memory barriers http://bugs.mysql.com/bug.php?id=83532 Submitted by: Sergey Vojtovich
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Tue, 25 Oct 2016 14:11:00 +0000 Server: InnoDB http://bugs.mysql.com/90209 #90209: Performance regression with > 15K tables in MySQL 8.0 (with general tablespaces) http://bugs.mysql.com/bug.php?id=90209 Submitted by: Alexander Rubin
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0, 8.0.17
]]> Sat, 24 Mar 2018 21:19:45 +0000 Server: InnoDB http://bugs.mysql.com/99638 #99638: xa transaction with low performance http://bugs.mysql.com/bug.php?id=99638 Submitted by: phoenix Zhang
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.18
]]> Wed, 20 May 2020 00:53:37 +0000 Server: InnoDB http://bugs.mysql.com/100537 #100537: Performance degradation caused by monitoring sys.innodb_lock_waits in MySQL 8.0 http://bugs.mysql.com/bug.php?id=100537 Submitted by: Sho Iizuka
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Ubuntu (18.04 LTS)
Version: 8.0.21
]]> Sat, 15 Aug 2020 08:11:08 +0000 Server: InnoDB http://bugs.mysql.com/38153 #38153: mysql-bench: slowdown for update_of_primary_key_many_keys test http://bugs.mysql.com/bug.php?id=38153 Submitted by: Alexey Stroganov
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.0.66, 5.1.34, 5.6.16
]]> Tue, 15 Jul 2008 22:13:43 +0000 Server: InnoDB http://bugs.mysql.com/55681 #55681: MTR slowdown after default storage engine was changed to InnoDB http://bugs.mysql.com/bug.php?id=55681 Submitted by: Davi Arnaut
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: trunk
]]> Mon, 02 Aug 2010 10:43:47 +0000 Server: InnoDB http://bugs.mysql.com/68077 #68077: Mixing 4K/16K blocks increases 8K free blocks and holds buf pool mutex longer http://bugs.mysql.com/bug.php?id=68077 Submitted by: Yoshinori Matsunobu
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.6
]]> Mon, 14 Jan 2013 03:37:30 +0000 Server: InnoDB http://bugs.mysql.com/87621 #87621: Huge InnoDB slowdown when selecting strings without indexes http://bugs.mysql.com/bug.php?id=87621 Submitted by: Sveta Smirnova
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.6.37, 5.7.19
]]> Thu, 31 Aug 2017 09:45:20 +0000 Server: InnoDB http://bugs.mysql.com/61188 #61188: DROP TABLE extremely slow http://bugs.mysql.com/bug.php?id=61188 Submitted by: Jonathan Stimmel
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Linux (CentOS release 5.3 (Final))
Version: 5.5.12-log
]]> Mon, 16 May 2011 16:43:56 +0000 Server: InnoDB http://bugs.mysql.com/95582 #95582: DDL using bulk load is very slow under long flush_list http://bugs.mysql.com/bug.php?id=95582 Submitted by: Fungo Wang
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.16, 5.7.26
]]> Fri, 31 May 2019 05:02:13 +0000 Server: InnoDB http://bugs.mysql.com/101900 #101900: Add partition is slow http://bugs.mysql.com/bug.php?id=101900 Submitted by: peng gao
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Linux (7.6)
Version: 8.0.21
]]> Tue, 08 Dec 2020 03:21:59 +0000 Server: InnoDB http://bugs.mysql.com/117448 #117448: When a large number of undo logs accumulate, reading the undo logs during the undo purge process may become a bottleneck http://bugs.mysql.com/bug.php?id=117448 Submitted by: jie xu
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Wed, 12 Feb 2025 09:22:30 +0000 Server: InnoDB http://bugs.mysql.com/97822 #97822: buf_page_get_gen buf_pool->stat.n_page_gets++ is a cpu waste http://bugs.mysql.com/bug.php?id=97822 Submitted by: Daniel Black
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Linux (Centos7)
Version: 5.7.28
]]> Wed, 27 Nov 2019 23:58:08 +0000 Server: InnoDB http://bugs.mysql.com/18384 #18384: InnoDB memory leak on duplicate key errors in 5.0 if row has many columns http://bugs.mysql.com/bug.php?id=18384 Submitted by: Heikki Tuuri
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any (All)
Version: 5.0.3 and later
]]> Tue, 21 Mar 2006 08:14:15 +0000 Server: InnoDB http://bugs.mysql.com/57480 #57480: Memory leak when having 256+ tables http://bugs.mysql.com/bug.php?id=57480 Submitted by: Alexander Rubin
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: 5.1, 5.0
]]> Fri, 15 Oct 2010 11:19:14 +0000 Server: InnoDB http://bugs.mysql.com/64987 #64987: Memory leak in mysql-5.6.6-labs-april-2012 http://bugs.mysql.com/bug.php?id=64987 Submitted by: Vadim TKACHENKO
Category: Server: InnoDB
Status: Duplicate
Severity: 3
OS: Any
Version: 5.6.6
]]> Sun, 15 Apr 2012 20:13:22 +0000 Server: InnoDB http://bugs.mysql.com/91860 #91860: The buf_LRU_free_page function may leak some memory in a particular scenario http://bugs.mysql.com/bug.php?id=91860 Submitted by: Xiaofeng Dong
Category: Server: InnoDB
Status: Duplicate
Severity: 2
OS: Any
Version: 5.7.22
]]> Wed, 01 Aug 2018 20:51:48 +0000 Server: InnoDB http://bugs.mysql.com/118121 #118121: lob pages leak when mysqld crashed http://bugs.mysql.com/bug.php?id=118121 Submitted by: huahua xu
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.37, 8.0.42
]]> Tue, 06 May 2025 14:40:27 +0000 Server: InnoDB http://bugs.mysql.com/120602 #120602: Memory leak in fil_ibd_same_as_default_path() http://bugs.mysql.com/bug.php?id=120602 Submitted by: Dmitry Lenev
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Any
Version: 8.0.46, 8.4.9, 9.7.0
]]> Tue, 02 Jun 2026 11:44:46 +0000 Server: InnoDB http://bugs.mysql.com/120634 #120634: buf_stat_per_index inc/dec is not paired: root page inc is never decremented, causing unbounded growth of ut_lock_free_h http://bugs.mysql.com/bug.php?id=120634 Submitted by: Demon Chen
Category: Server: InnoDB
Status: Open
Severity: 1
OS: Any
Version: 8.0.44 8.4.9
]]> Tue, 09 Jun 2026 04:07:33 +0000 Server: InnoDB http://bugs.mysql.com/111570 #111570: Looking for inexistent data reports 0 rows examined http://bugs.mysql.com/bug.php?id=111570 Submitted by: Jean-François Gagné
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.33, 5.7.42
]]> Mon, 26 Jun 2023 20:03:53 +0000 Server: InnoDB http://bugs.mysql.com/54563 #54563: InnoDB: Performance drop in varios sysbench tests http://bugs.mysql.com/bug.php?id=54563 Submitted by: Alexey Stroganov
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.5.5pre
]]> Wed, 16 Jun 2010 19:19:24 +0000 Server: InnoDB http://bugs.mysql.com/56332 #56332: Performance regression in DROP TABLE performance post 5.0.77 http://bugs.mysql.com/bug.php?id=56332 Submitted by: Justin Swanhart
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.0.87, 5.0.91
]]> Fri, 27 Aug 2010 18:17:44 +0000 Server: InnoDB http://bugs.mysql.com/57981 #57981: UNIV_DEBUG causes big performance degradation for some operations on Solaris http://bugs.mysql.com/bug.php?id=57981 Submitted by: John Embretsen
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Solaris
Version: 5.5.7-m3
]]> Thu, 04 Nov 2010 14:57:22 +0000 Server: InnoDB http://bugs.mysql.com/80737 #80737: "How MySQL Uses Memory" is myisam centric http://bugs.mysql.com/bug.php?id=80737 Submitted by: Daniel Price
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.7
]]> Mon, 14 Mar 2016 21:24:47 +0000 Server: InnoDB http://bugs.mysql.com/100512 #100512: adaptive hash index(AHI) building causing contention on btr_search_latches http://bugs.mysql.com/bug.php?id=100512 Submitted by: Zhou Xinjing
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Linux (3.10.107)
Version: 5.7.31,8.0.21
]]> Thu, 13 Aug 2020 09:17:45 +0000 Server: InnoDB http://bugs.mysql.com/111594 #111594: Some Scalability Issues in Specific Scenarios http://bugs.mysql.com/bug.php?id=111594 Submitted by: changyan liu
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Wed, 28 Jun 2023 08:21:58 +0000 Server: InnoDB http://bugs.mysql.com/112767 #112767: SELECT COUNT(*) degraded performance on 8.0 compared to 5.7 http://bugs.mysql.com/bug.php?id=112767 Submitted by: Aristotle Po
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.34, 8.0.35
]]> Thu, 19 Oct 2023 06:07:05 +0000 Server: InnoDB http://bugs.mysql.com/117498 #117498: Traversing a relatively long undo-chain will seriously affect write performance http://bugs.mysql.com/bug.php?id=117498 Submitted by: Ruyi Zhang
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.41
]]> Tue, 18 Feb 2025 09:37:09 +0000 Server: InnoDB http://bugs.mysql.com/117778 #117778: AHI hash table memory is invisible to Performance Schema http://bugs.mysql.com/bug.php?id=117778 Submitted by: Alexey Kopytov
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0, 8.4, 9.2
]]> Mon, 24 Mar 2025 10:23:56 +0000 Server: InnoDB http://bugs.mysql.com/120414 #120414: InnoDB performance regression because of validate_rec_offset http://bugs.mysql.com/bug.php?id=120414 Submitted by: Pawel Olchawa
Category: Server: InnoDB
Status: Open
Severity: 5
OS: Any
Version: 8.0.32 - 9.7
]]> Thu, 07 May 2026 15:19:04 +0000 Server: InnoDB http://bugs.mysql.com/81804 #81804: Memory leak or bug in P_S instrumentation for InnoDB threads http://bugs.mysql.com/bug.php?id=81804 Submitted by: Sveta Smirnova
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Any
Version: 5.7.13
]]> Fri, 10 Jun 2016 12:35:52 +0000 Server: InnoDB http://bugs.mysql.com/1942 #1942: Slow queries with "order by" http://bugs.mysql.com/bug.php?id=1942 Submitted by: Christian Gruber
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Linux (Linux)
Version: 4.0.16
]]> Tue, 25 Nov 2003 01:13:30 +0000 Server: InnoDB http://bugs.mysql.com/68814 #68814: MySQL optimizer consider few rows to examine but it is not really obvious why http://bugs.mysql.com/bug.php?id=68814 Submitted by: Shahriyar Rzayev
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any (Centos 6.3)
Version: 5.6.10
]]> Fri, 29 Mar 2013 15:33:58 +0000 Server: InnoDB http://bugs.mysql.com/71507 #71507: innodb is excessively slow to replace duplicate values in a table http://bugs.mysql.com/bug.php?id=71507 Submitted by: Shane Bester
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.7
]]> Wed, 29 Jan 2014 12:51:07 +0000 Server: InnoDB http://bugs.mysql.com/78262 #78262: Adding indexes on empty table is slow with large innodb_sort_buffer_size. http://bugs.mysql.com/bug.php?id=78262 Submitted by: Jean-François Gagné
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any (CentOS release 6.6)
Version: 5.6.26
]]> Fri, 28 Aug 2015 15:19:45 +0000 Server: InnoDB http://bugs.mysql.com/93734 #93734: MySQL 8.0 is 36 times slower than MySQL 5.7 http://bugs.mysql.com/bug.php?id=93734 Submitted by: Vadim Tkachenko
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Ubuntu (18.04)
]]> Mon, 24 Dec 2018 18:44:13 +0000 Server: InnoDB http://bugs.mysql.com/112137 #112137: parallel read is slow when innodb_use_native_aio = off http://bugs.mysql.com/bug.php?id=112137 Submitted by: Ke Yu
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.33, 8.0.34
]]> Tue, 22 Aug 2023 13:48:41 +0000 Server: InnoDB http://bugs.mysql.com/114154 #114154: Parallel read is slow after parition table is read in parallel http://bugs.mysql.com/bug.php?id=114154 Submitted by: Ke Yu
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.36
]]> Wed, 28 Feb 2024 09:57:42 +0000 Server: InnoDB http://bugs.mysql.com/98132 #98132: Analyze table leads to empty statistics during online rebuild DDL http://bugs.mysql.com/bug.php?id=98132 Submitted by: Qingda Hu
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Any
Version: 5.6, 5.7, 8.0, 5.7.28, 8.0.18
]]> Mon, 06 Jan 2020 10:55:47 +0000 Server: InnoDB http://bugs.mysql.com/103213 #103213: Poor performance while executing 'select count(*)' on a table http://bugs.mysql.com/bug.php?id=103213 Submitted by: Niranjan R
Category: Server: InnoDB
Status: Duplicate
Severity: 5
OS: Any
Version: 8.0.17 - 8.0.23
]]> Tue, 06 Apr 2021 05:13:48 +0000 Server: InnoDB http://bugs.mysql.com/107473 #107473: Updating BLOB column slows down purge and causes high trx_rseg_history_len http://bugs.mysql.com/bug.php?id=107473 Submitted by: Lei Zeng
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: CentOS
Version: 8.0.23, 8.0.29
]]> Fri, 03 Jun 2022 03:34:39 +0000 Server: InnoDB http://bugs.mysql.com/113505 #113505: Performance schema counter increments make parallel index create slow http://bugs.mysql.com/bug.php?id=113505 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.35
]]> Sun, 24 Dec 2023 18:23:37 +0000 Server: InnoDB http://bugs.mysql.com/5436 #5436: SHOW INNODB STATUS is unusable with a lot of concurrent connections http://bugs.mysql.com/bug.php?id=5436 Submitted by: Peter Zaitsev
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any (all)
Version: all
]]> Mon, 06 Sep 2004 19:10:31 +0000 Server: InnoDB http://bugs.mysql.com/12125 #12125: Massive Disk I/O Degradation under 4.1.13 in OS X http://bugs.mysql.com/bug.php?id=12125 Submitted by: Bruce Dembecki
Category: Server: InnoDB
Status: Closed
Severity: 1
OS: MacOS (OS X 10.4.2)
Version: 4.1.13
]]> Fri, 22 Jul 2005 22:59:27 +0000 Server: InnoDB http://bugs.mysql.com/20113 #20113: Performance degredation on 8 way system ( 4x Opteron 875's ) http://bugs.mysql.com/bug.php?id=20113 Submitted by: Matt Heler
Category: Server: InnoDB
Status: Duplicate
Severity: 5
OS: Linux (Fedora Core5)
Version: 5.0.21
]]> Sun, 28 May 2006 15:51:44 +0000 Server: InnoDB http://bugs.mysql.com/36941 #36941: Performance problem in ha_print_info (SHOW INNODB STATUS) http://bugs.mysql.com/bug.php?id=36941 Submitted by: Domas Mituzas
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.0-bk, 5.1-bk
]]> Sun, 25 May 2008 11:58:48 +0000 Server: InnoDB http://bugs.mysql.com/36942 #36942: Performance problem in lock_get_n_rec_locks (SHOW INNODB STATUS) http://bugs.mysql.com/bug.php?id=36942 Submitted by: Domas Mituzas
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.0,5.1
]]> Sun, 25 May 2008 12:28:06 +0000 Server: InnoDB http://bugs.mysql.com/54914 #54914: InnoDB: performance drop with innodb_change_buffering=all http://bugs.mysql.com/bug.php?id=54914 Submitted by: Alexey Stroganov
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.5.5
]]> Wed, 30 Jun 2010 13:08:05 +0000 Server: InnoDB http://bugs.mysql.com/59163 #59163: Single user session performance in InnoDB http://bugs.mysql.com/bug.php?id=59163 Submitted by: Dimitri KRAVTCHUK
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: 5.5.8
]]> Fri, 24 Dec 2010 17:20:49 +0000 Server: InnoDB http://bugs.mysql.com/66587 #66587: Behavior of read-only transactions differs from documentation http://bugs.mysql.com/bug.php?id=66587 Submitted by: Elena Stepanova
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.6.7
]]> Tue, 28 Aug 2012 23:04:47 +0000 Server: InnoDB http://bugs.mysql.com/69029 #69029: Arbitrary flushing performance limitation is bad http://bugs.mysql.com/bug.php?id=69029 Submitted by: Domas Mituzas
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.6.12
]]> Mon, 22 Apr 2013 03:04:19 +0000 Server: InnoDB http://bugs.mysql.com/72703 #72703: page cleaner should be multi-threaded also for recovery and shutdown http://bugs.mysql.com/bug.php?id=72703 Submitted by: Yasufumi Kinoshita
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
]]> Wed, 21 May 2014 06:46:19 +0000 Server: InnoDB http://bugs.mysql.com/73763 #73763: New futex-mutex in InnoDB needs perf attention http://bugs.mysql.com/bug.php?id=73763 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: In progress
Severity: 5
OS: Any
Version: 5.7
]]> Thu, 28 Aug 2014 21:47:21 +0000 Server: InnoDB http://bugs.mysql.com/76627 #76627: MySQL/InnoDB mix buffered and direct IO http://bugs.mysql.com/bug.php?id=76627 Submitted by: yin ye
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Linux (CentOS6.5)
Version: 5.5.24, 5.6.24
]]> Thu, 09 Apr 2015 03:44:34 +0000 Server: InnoDB http://bugs.mysql.com/76728 #76728: reduce lock_sys->mutex contention for transaction that only contains SELECT http://bugs.mysql.com/bug.php?id=76728 Submitted by: zhai weixiang
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.7.7
]]> Fri, 17 Apr 2015 04:48:33 +0000 Server: InnoDB http://bugs.mysql.com/77092 #77092: Document potential benefits of InnoDB General Tablespaces http://bugs.mysql.com/bug.php?id=77092 Submitted by: Daniel Price
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.7.6
]]> Tue, 19 May 2015 12:16:31 +0000 Server: InnoDB http://bugs.mysql.com/80979 #80979: Doublewrite buffer event waits should be annotated for Performance Schema http://bugs.mysql.com/bug.php?id=80979 Submitted by: Laurynas Biveinis
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.7
]]> Wed, 06 Apr 2016 14:25:51 +0000 Server: InnoDB http://bugs.mysql.com/82524 #82524: Significant innodb load performance regression since version 5.5 http://bugs.mysql.com/bug.php?id=82524 Submitted by: Mark Kirkwood
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Ubuntu (16.04)
Version: 5.6, 5.6.32, 5.7.14
]]> Wed, 10 Aug 2016 08:36:31 +0000 Server: InnoDB http://bugs.mysql.com/90604 #90604: ut_rnd_ulint_counter () : Default delay for spin wait gives better performance http://bugs.mysql.com/bug.php?id=90604 Submitted by: Sandeep Sethia
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: CentOS
Version: 5.7
]]> Tue, 24 Apr 2018 13:50:32 +0000 Server: InnoDB http://bugs.mysql.com/91485 #91485: ut_crc32_hw() checks ut_crc32_cpu_enabled on each call http://bugs.mysql.com/bug.php?id=91485 Submitted by: Alexey Kopytov
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.7.22, 8.0.11
]]> Fri, 29 Jun 2018 06:32:45 +0000 Server: InnoDB http://bugs.mysql.com/95934 #95934: innodb_flush_log_at_trx_commit = 0 get performance regression on 8 core machine http://bugs.mysql.com/bug.php?id=95934 Submitted by: Zongzhi Chen
Category: Server: InnoDB
Status: Analyzing
Severity: 5
OS: Any
Version: 8.0.*
]]> Sun, 23 Jun 2019 17:13:02 +0000 Server: InnoDB http://bugs.mysql.com/96071 #96071: TempTable engine uses much more memory than MEMORY engine for temporary table http://bugs.mysql.com/bug.php?id=96071 Submitted by: Øystein Grøvlen
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.16
]]> Tue, 02 Jul 2019 10:43:58 +0000 Server: InnoDB http://bugs.mysql.com/96504 #96504: Refine atomics and barriers for weak memory order platform http://bugs.mysql.com/bug.php?id=96504 Submitted by: Cai Yibo
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Mon, 12 Aug 2019 04:42:01 +0000 Server: InnoDB http://bugs.mysql.com/98546 #98546: Transient indexes statistics are updated in foreground causing performance issue http://bugs.mysql.com/bug.php?id=98546 Submitted by: Charly Batista
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8, 5.7
]]> Tue, 11 Feb 2020 06:38:28 +0000 Server: InnoDB http://bugs.mysql.com/99118 #99118: ARM CRC32 intrinsic call to accelerate table-checksum (not crc32c but crc32) http://bugs.mysql.com/bug.php?id=99118 Submitted by: Krunal Bauskar
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Linux
Version: 8.0.19
]]> Tue, 31 Mar 2020 05:20:15 +0000 Server: InnoDB http://bugs.mysql.com/99593 #99593: Performance issues in 8.0.20 http://bugs.mysql.com/bug.php?id=99593 Submitted by: Billy Sullivan
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Ubuntu (20.04)
Version: 8.0.20
]]> Fri, 15 May 2020 16:05:09 +0000 Server: InnoDB http://bugs.mysql.com/99966 #99966: Switching to use NUMA-SMART Counter for statistical counters http://bugs.mysql.com/bug.php?id=99966 Submitted by: Krunal Bauskar
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.20
]]> Wed, 24 Jun 2020 08:12:21 +0000 Server: InnoDB http://bugs.mysql.com/100182 #100182: Improving performance of 'row_mysql_store_col_in_innobase_format' http://bugs.mysql.com/bug.php?id=100182 Submitted by: Dmitriy Philimonov
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.20
]]> Fri, 10 Jul 2020 13:35:11 +0000 Server: InnoDB http://bugs.mysql.com/102289 #102289: buf_flush_or_remove_pages causes large tps fluctuation with write-heavy workload http://bugs.mysql.com/bug.php?id=102289 Submitted by: Zhou Xinjing
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.7, 8.0
]]> Tue, 19 Jan 2021 06:06:49 +0000 Server: InnoDB http://bugs.mysql.com/104779 #104779: no need to own sx-latch during the period of page flusing for BUF_FLUSH_LRU http://bugs.mysql.com/bug.php?id=104779 Submitted by: alex xing
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.19
]]> Tue, 31 Aug 2021 09:38:24 +0000 Server: InnoDB http://bugs.mysql.com/104967 #104967: The fuction buf_validate() affects performance seriously and can be optimized http://bugs.mysql.com/bug.php?id=104967 Submitted by: hobert lu
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.26
]]> Fri, 17 Sep 2021 10:04:10 +0000 Server: InnoDB http://bugs.mysql.com/109417 #109417: Bad performance by call btr_drop_ahi_for_table within dict sys_mutex protection http://bugs.mysql.com/bug.php?id=109417 Submitted by: Fangxin Flou
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.31
]]> Fri, 16 Dec 2022 23:30:39 +0000 Server: InnoDB http://bugs.mysql.com/110644 #110644: innobase: optimize hash_uint64 with hardware crc on Arm http://bugs.mysql.com/bug.php?id=110644 Submitted by: Cai Yibo
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Linux
Version: 8.0
]]> Mon, 10 Apr 2023 06:16:30 +0000 Server: InnoDB http://bugs.mysql.com/113178 #113178: Temptable engine leads to performance degradation http://bugs.mysql.com/bug.php?id=113178 Submitted by: xiaoyang chen
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0, 8.0.35
]]> Wed, 22 Nov 2023 09:09:00 +0000 Server: InnoDB http://bugs.mysql.com/118335 #118335: drop big table affect performance when general space used http://bugs.mysql.com/bug.php?id=118335 Submitted by: zhang xiaojian
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 9.3.0
]]> Tue, 03 Jun 2025 07:50:35 +0000 Server: InnoDB http://bugs.mysql.com/18252 #18252: Disk space leak in updates of InnoDB BLOB rows in 5.0 and 5.1 http://bugs.mysql.com/bug.php?id=18252 Submitted by: Marko Mäkelä
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any (all)
Version: 5.0.3 and later
]]> Wed, 15 Mar 2006 10:36:13 +0000 Server: InnoDB http://bugs.mysql.com/36613 #36613: Creating many tables with many columns in innodb leads to out of memory http://bugs.mysql.com/bug.php?id=36613 Submitted by: Markus Schindler
Category: Server: InnoDB
Status: Duplicate
Severity: 2
OS: Any
Version: 5.1.24
]]> Fri, 09 May 2008 05:33:35 +0000 Server: InnoDB http://bugs.mysql.com/45992 #45992: innodb memory not freed after shutdown http://bugs.mysql.com/bug.php?id=45992 Submitted by: Shane Bester
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Linux (32-bit fc8)
Version: 5.4.2-debug
]]> Tue, 07 Jul 2009 08:15:48 +0000 Server: InnoDB http://bugs.mysql.com/54764 #54764: memory allocated in os_aio_array_create is not freed at shutdown http://bugs.mysql.com/bug.php?id=54764 Submitted by: Shane Bester
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.5.5, innodb 1.1.1
]]> Thu, 24 Jun 2010 08:19:29 +0000 Server: InnoDB http://bugs.mysql.com/80301 #80301: leaksanitizer detects memory leaks in tde tests http://bugs.mysql.com/bug.php?id=80301 Submitted by: Erlend Dahl
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
]]> Mon, 08 Feb 2016 11:23:05 +0000 Server: InnoDB http://bugs.mysql.com/80772 #80772: Excessive memory used in memory/innodb/os0file starting 5.7.8 http://bugs.mysql.com/bug.php?id=80772 Submitted by: Morgan Tocker
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: 5.7.8+,8.0.0, 5.7.11, 5.7.13
]]> Thu, 17 Mar 2016 01:34:32 +0000 Server: InnoDB http://bugs.mysql.com/105028 #105028: memory leak caused by recv_sys->saved_recs during recovery http://bugs.mysql.com/bug.php?id=105028 Submitted by: alex xing
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.26
]]> Fri, 24 Sep 2021 04:45:32 +0000 Server: InnoDB http://bugs.mysql.com/114829 #114829: Scoped_heap incorrect usage may have memory leak http://bugs.mysql.com/bug.php?id=114829 Submitted by: david zhang
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Tue, 30 Apr 2024 21:15:42 +0000 Server: InnoDB http://bugs.mysql.com/15653 #15653: Slow inserts to InnoDB if many thousands of .ibd files http://bugs.mysql.com/bug.php?id=15653 Submitted by: Heikki Tuuri
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any (All)
Version: 4.1, 5.0
]]> Sat, 10 Dec 2005 11:24:20 +0000 Server: InnoDB http://bugs.mysql.com/21112 #21112: InnoDB slow with > 100,000 .ibd files http://bugs.mysql.com/bug.php?id=21112 Submitted by: Heikki Tuuri
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any (All)
Version: 5.0
]]> Tue, 18 Jul 2006 12:47:44 +0000 Server: InnoDB http://bugs.mysql.com/25956 #25956: Create Table with Multiple keys are not created http://bugs.mysql.com/bug.php?id=25956 Submitted by: Jim Risc
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Windows (Win 2000 SP 4)
Version: 5.0.27-community-nt
]]> Tue, 30 Jan 2007 21:57:57 +0000 Server: InnoDB http://bugs.mysql.com/39939 #39939: DROP TABLE/DISCARD TABLESPACE takes long time in buf_LRU_invalidate_tablespace() http://bugs.mysql.com/bug.php?id=39939 Submitted by: Inaam Rana
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: 5.x
]]> Wed, 08 Oct 2008 18:38:24 +0000 Server: InnoDB http://bugs.mysql.com/45559 #45559: InnoDB Query not using indexes properly? http://bugs.mysql.com/bug.php?id=45559 Submitted by: Jon Baker
Category: Server: InnoDB
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1.32, 5.1.35
]]> Wed, 17 Jun 2009 15:59:01 +0000 Server: InnoDB http://bugs.mysql.com/54728 #54728: Unnecessary overhead in the 64-bit "dulint" struct type http://bugs.mysql.com/bug.php?id=54728 Submitted by: Marko Mäkelä
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 3.23, 4.0, 4.1, 5.0, 5.1, 5.5
]]> Wed, 23 Jun 2010 09:50:46 +0000 Server: InnoDB http://bugs.mysql.com/58234 #58234: LENGTH() / OCTET_LENGTH() on BLOB field very slow http://bugs.mysql.com/bug.php?id=58234 Submitted by: Mike Ruskai
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.1.49-r1, 5.5.20
]]> Tue, 16 Nov 2010 16:26:58 +0000 Server: InnoDB http://bugs.mysql.com/59683 #59683: InnoDB latch deadlock detector/violation debug code is very slow http://bugs.mysql.com/bug.php?id=59683 Submitted by: Sunny Bains
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.5+
]]> Sun, 23 Jan 2011 21:58:55 +0000 Server: InnoDB http://bugs.mysql.com/67175 #67175: recovery is very very slow in buf_flush_single_page_from_LRU http://bugs.mysql.com/bug.php?id=67175 Submitted by: liu hickey
Category: Server: InnoDB
Status: Duplicate
Severity: 3
OS: Any
Version: 5.6.7
]]> Wed, 10 Oct 2012 09:08:48 +0000 Server: InnoDB http://bugs.mysql.com/68725 #68725: UNIV_MEM_DEBUG needlessly slow, especially with UNIV_ZIP_DEBUG http://bugs.mysql.com/bug.php?id=68725 Submitted by: Laurynas Biveinis
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: all
]]> Wed, 20 Mar 2013 08:30:51 +0000 Server: InnoDB http://bugs.mysql.com/74472 #74472: ddl like add index is very slow in 5.7.5 http://bugs.mysql.com/bug.php?id=74472 Submitted by: zhai weixiang
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.7.5
]]> Tue, 21 Oct 2014 06:45:11 +0000 Server: InnoDB http://bugs.mysql.com/76182 #76182: The new created tablespace is not reported in the INFORMATION_SCHEMA http://bugs.mysql.com/bug.php?id=76182 Submitted by: Marco Tusa
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Linux
Version: 5.7.6, 5.7.7
]]> Thu, 05 Mar 2015 21:42:09 +0000 Server: InnoDB http://bugs.mysql.com/76750 #76750: innodb History list length (trx_rseg_history_len) never reaches 0 http://bugs.mysql.com/bug.php?id=76750 Submitted by: Shane Bester
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.5.44
]]> Mon, 20 Apr 2015 08:34:42 +0000 Server: InnoDB http://bugs.mysql.com/93530 #93530: ALTER TABLE DROP INDEX is very slow http://bugs.mysql.com/bug.php?id=93530 Submitted by: monty solomon
Category: Server: InnoDB
Status: Duplicate
Severity: 3
OS: Any
Version: 5.7.23, 5.7.24
]]> Sat, 08 Dec 2018 20:23:07 +0000 Server: InnoDB http://bugs.mysql.com/99717 #99717: Peformance regression of parallel count http://bugs.mysql.com/bug.php?id=99717 Submitted by: Ze Yang
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 28 May 2020 07:47:17 +0000 Server: InnoDB http://bugs.mysql.com/100966 #100966: select count(*) works very slow for uncommitted data http://bugs.mysql.com/bug.php?id=100966 Submitted by: Brian Yue
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any (rhel-7.4)
Version: MySQL8.0.18, 8.0.21
]]> Sun, 27 Sep 2020 03:46:25 +0000 Server: InnoDB http://bugs.mysql.com/104619 #104619: long MVCC snapshots will cause commit stalls via GTID persistor periodic compres http://bugs.mysql.com/bug.php?id=104619 Submitted by: Domas Mituzas
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Fri, 13 Aug 2021 14:45:40 +0000 Server: InnoDB http://bugs.mysql.com/104659 #104659: Select * reporting less rows_examined than only fields in an index. http://bugs.mysql.com/bug.php?id=104659 Submitted by: Jean-François Gagné
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Any
Version: 8.0.26, 5.7.35
]]> Wed, 18 Aug 2021 22:19:10 +0000 Server: InnoDB http://bugs.mysql.com/106604 #106604: Contribution by Tencent Cloud-Native Database team: Purge suspend forever http://bugs.mysql.com/bug.php?id=106604 Submitted by: yewei Xu
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Linux
Version: 5.7.37
]]> Tue, 01 Mar 2022 03:43:04 +0000 Server: InnoDB http://bugs.mysql.com/108586 #108586: Contribution By Tencent: WL#12527 cause slow startup in Linux < 3.15 http://bugs.mysql.com/bug.php?id=108586 Submitted by: Lucas Lu
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Linux (below 3.15)
Version: 8.0.30
]]> Fri, 23 Sep 2022 07:51:19 +0000 Server: InnoDB http://bugs.mysql.com/112964 #112964: SELECT COUNT is slow with O_DIRECT http://bugs.mysql.com/bug.php?id=112964 Submitted by: Agustín G
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0, 8.0.35
]]> Sat, 04 Nov 2023 01:54:32 +0000 Server: InnoDB http://bugs.mysql.com/113482 #113482: innodb_parallel_read_threads>1 makes simple select count more expensive http://bugs.mysql.com/bug.php?id=113482 Submitted by: Przemyslaw Malkowski
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.35, 8.2.0
]]> Thu, 21 Dec 2023 09:23:43 +0000 Server: InnoDB http://bugs.mysql.com/15815 #15815: Very poor performance with multiple queries running concurrently http://bugs.mysql.com/bug.php?id=15815 Submitted by: Peter Zaitsev
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Linux (Linux x86_64)
Version: 4.0.27,4.1, 5.0, 5.1
]]> Fri, 16 Dec 2005 23:18:35 +0000 Server: InnoDB http://bugs.mysql.com/24386 #24386: Performance degradation caused by instrumentation in mutex_struct http://bugs.mysql.com/bug.php?id=24386 Submitted by: Marko Mäkelä
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any (all)
Version: 5.0, 5.1
]]> Fri, 17 Nov 2006 10:53:33 +0000 Server: InnoDB http://bugs.mysql.com/42101 #42101: Race condition in innodb_commit_concurrency http://bugs.mysql.com/bug.php?id=42101 Submitted by: Marko Mäkelä
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Wed, 14 Jan 2009 09:27:08 +0000 Server: InnoDB http://bugs.mysql.com/53204 #53204: os_fastmutex_trylock is implemented incorrectly on Windows http://bugs.mysql.com/bug.php?id=53204 Submitted by: Vladislav Vaintroub
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Windows
Version: 5.1+
]]> Tue, 27 Apr 2010 14:17:41 +0000 Server: InnoDB http://bugs.mysql.com/55716 #55716: CHECK TABLES should not perform check on entire adaptive hash index http://bugs.mysql.com/bug.php?id=55716 Submitted by: Inaam Rana
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
]]> Tue, 03 Aug 2010 15:02:09 +0000 Server: InnoDB http://bugs.mysql.com/56933 #56933: InnoDB does more writes in 5.5 than in 5.1 on buffer pool challenged workloads http://bugs.mysql.com/bug.php?id=56933 Submitted by: Mikhail Izioumtchenko
Category: Server: InnoDB
Status: Closed
Severity: 2
OS: Any
Version: 5.5
]]> Wed, 22 Sep 2010 13:26:01 +0000 Server: InnoDB http://bugs.mysql.com/58912 #58912: InnoDB unnecessarily avoids update-in-place on column prefix indexes http://bugs.mysql.com/bug.php?id=58912 Submitted by: Marko Mäkelä
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: all
]]> Tue, 14 Dec 2010 09:15:09 +0000 Server: InnoDB http://bugs.mysql.com/58974 #58974: ha_innobase:info() tries to lock some latches even if HA_STATUS_NO_LOCK is given http://bugs.mysql.com/bug.php?id=58974 Submitted by: Alexey Stroganov
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: mysql-5.5-innodb
]]> Thu, 16 Dec 2010 13:43:32 +0000 Server: InnoDB http://bugs.mysql.com/60128 #60128: Add performance schema instrumentation on os_fast_mutex http://bugs.mysql.com/bug.php?id=60128 Submitted by: Jimmy Yang
Category: Server: InnoDB
Status: Patch queued
Severity: 3
OS: Any
]]> Tue, 15 Feb 2011 07:22:47 +0000 Server: InnoDB http://bugs.mysql.com/61735 #61735: index->lock held while preads are done http://bugs.mysql.com/bug.php?id=61735 Submitted by: Domas Mituzas
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.1, etc
]]> Mon, 04 Jul 2011 11:30:39 +0000 Server: InnoDB http://bugs.mysql.com/65359 #65359: bad select performance http://bugs.mysql.com/bug.php?id=65359 Submitted by: wiliam brana
Category: Server: InnoDB
Status: Duplicate
Severity: 2
OS: Linux
Version: 5.1.62
]]> Fri, 18 May 2012 12:41:12 +0000 Server: InnoDB http://bugs.mysql.com/68171 #68171: Improve documentation of how InnoDB tables can be copied between instances http://bugs.mysql.com/bug.php?id=68171 Submitted by: Simon Mudd
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.6.9-rc
]]> Thu, 24 Jan 2013 15:33:47 +0000 Server: InnoDB http://bugs.mysql.com/68544 #68544: Ability to support multiple buffer pools with per-table assignment http://bugs.mysql.com/bug.php?id=68544 Submitted by: Davi Arnaut
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.5
]]> Fri, 01 Mar 2013 19:52:36 +0000 Server: InnoDB http://bugs.mysql.com/68574 #68574: No instrumentation for InnoDB files in P_S on windows http://bugs.mysql.com/bug.php?id=68574 Submitted by: Daniël van Eeden
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Windows (win7 sp1 ent)
Version: 5.5.30, 5.6.16
]]> Tue, 05 Mar 2013 13:42:26 +0000 Server: InnoDB http://bugs.mysql.com/68588 #68588: remove most calls to os_thread_sleep from innodb http://bugs.mysql.com/bug.php?id=68588 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.6.10
]]> Wed, 06 Mar 2013 22:00:09 +0000 Server: InnoDB http://bugs.mysql.com/69179 #69179: accessing information_schema.partitions causes plans to change http://bugs.mysql.com/bug.php?id=69179 Submitted by: Justin Swanhart
Category: Server: InnoDB
Status: Duplicate
Severity: 2
OS: Any
Version: 5.6.11, 5.5.31, 5.6.13
]]> Thu, 09 May 2013 04:22:10 +0000 Server: InnoDB http://bugs.mysql.com/69236 #69236: performance regressions for single-threaded workloads, part 2 http://bugs.mysql.com/bug.php?id=69236 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.6.11
]]> Tue, 14 May 2013 22:12:19 +0000 Server: InnoDB http://bugs.mysql.com/69422 #69422: small performance impact with heap block debugging info in release builds http://bugs.mysql.com/bug.php?id=69422 Submitted by: Shane Bester
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.6.12
]]> Fri, 07 Jun 2013 09:18:14 +0000 Server: InnoDB http://bugs.mysql.com/71014 #71014: two many times of memset decreate the performance under heavy insert http://bugs.mysql.com/bug.php?id=71014 Submitted by: Fangxin Flou
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: All Version
]]> Tue, 26 Nov 2013 14:25:34 +0000 Server: InnoDB http://bugs.mysql.com/72123 #72123: Spurious lock_wait_timeout_thread wakeup in lock_wait_suspend_thread() http://bugs.mysql.com/bug.php?id=72123 Submitted by: Inaam Rana
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.6, 5.6.18
]]> Tue, 25 Mar 2014 14:12:54 +0000 Server: InnoDB http://bugs.mysql.com/72948 #72948: lock_table can be optimized if updating the same table concurrently http://bugs.mysql.com/bug.php?id=72948 Submitted by: zhai weixiang
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.6
]]> Wed, 11 Jun 2014 03:44:10 +0000 Server: InnoDB http://bugs.mysql.com/74280 #74280: covering secondary scans worse than PK scan at high concurrency http://bugs.mysql.com/bug.php?id=74280 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.7.5
]]> Wed, 08 Oct 2014 16:41:33 +0000 Server: InnoDB http://bugs.mysql.com/74283 #74283: Non-covering secondary index scans degrade more in 5.7 than 5.6 http://bugs.mysql.com/bug.php?id=74283 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.7.5
]]> Wed, 08 Oct 2014 17:00:26 +0000 Server: InnoDB http://bugs.mysql.com/74325 #74325: updates to indexed column much slower in 5.7.5 http://bugs.mysql.com/bug.php?id=74325 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 5.7.5
]]> Fri, 10 Oct 2014 19:26:42 +0000 Server: InnoDB http://bugs.mysql.com/74408 #74408: srv_conc_enter_innodb() is not optimal http://bugs.mysql.com/bug.php?id=74408 Submitted by: Inaam Rana
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.6, 5.7, 8.0
]]> Wed, 15 Oct 2014 19:52:26 +0000 Server: InnoDB http://bugs.mysql.com/74832 #74832: ut_delay missing compiler barrier, UT_RELAX_CPU isn't at all relaxing http://bugs.mysql.com/bug.php?id=74832 Submitted by: Stewart Smith
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.7.7
]]> Thu, 13 Nov 2014 05:54:35 +0000 Server: InnoDB http://bugs.mysql.com/75981 #75981: MySQL 5.7.5 30% slower than 5.6.23 for 1 thread write http://bugs.mysql.com/bug.php?id=75981 Submitted by: Jaime Crespo
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.7.6
]]> Fri, 20 Feb 2015 13:56:16 +0000 Server: InnoDB http://bugs.mysql.com/77094 #77094: Reduce log_sys->mutex contention by allowing concurrent mtr commit and log write http://bugs.mysql.com/bug.php?id=77094 Submitted by: zhai weixiang
Category: Server: InnoDB
Status: Closed
Severity: 3
OS: Any
Version: 5.7.7
]]> Tue, 19 May 2015 13:13:08 +0000 Server: InnoDB http://bugs.mysql.com/83528 #83528: InnoDB mutex bs: periodic waiters wakeup http://bugs.mysql.com/bug.php?id=83528 Submitted by: Sergey Vojtovich
Category: Server: InnoDB
Status: Duplicate
Severity: 3
OS: Any
Version: 8.0
]]> Tue, 25 Oct 2016 13:06:43 +0000 Server: InnoDB http://bugs.mysql.com/83568 #83568: InnoDB memory barriers bs http://bugs.mysql.com/bug.php?id=83568 Submitted by: Sergey Vojtovich
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 27 Oct 2016 09:54:28 +0000 Server: InnoDB http://bugs.mysql.com/85304 #85304: Reduce mutex contention of fil_system->mutex http://bugs.mysql.com/bug.php?id=85304 Submitted by: zhai weixiang
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.7
]]> Sat, 04 Mar 2017 08:26:05 +0000 Server: InnoDB http://bugs.mysql.com/85999 #85999: Optimize zlib 's fill_window with SIMD instructions http://bugs.mysql.com/bug.php?id=85999 Submitted by: Jun He
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 5.7.17
]]> Wed, 19 Apr 2017 09:14:55 +0000 Server: InnoDB http://bugs.mysql.com/87827 #87827: Performance regression in "create table" speed and scalability in 8.0.3 http://bugs.mysql.com/bug.php?id=87827 Submitted by: Alexander Rubin
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.3
]]> Thu, 21 Sep 2017 14:09:01 +0000 Server: InnoDB http://bugs.mysql.com/87933 #87933: Scalibility issue on Arm platform with the current UT_RELAX_CPU () code. http://bugs.mysql.com/bug.php?id=87933 Submitted by: Sandeep Sethia
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: CentOS
Version: 5.7.19
]]> Mon, 02 Oct 2017 04:06:30 +0000 Server: InnoDB http://bugs.mysql.com/88422 #88422: MySQL 5.7 innodb purge thread get oldest readview could block other transaction http://bugs.mysql.com/bug.php?id=88422 Submitted by: raolh rao
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: Any
Version: 5.7.19
]]> Thu, 09 Nov 2017 12:20:38 +0000 Server: InnoDB http://bugs.mysql.com/89551 #89551: Spatial index query time performance scales linearly http://bugs.mysql.com/bug.php?id=89551 Submitted by: Sveta Smirnova
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 5.7.21, 8.0.4
]]> Tue, 06 Feb 2018 09:27:48 +0000 Server: InnoDB http://bugs.mysql.com/91837 #91837: IS.innodb_trx results filtered by trx_started depends on timezone http://bugs.mysql.com/bug.php?id=91837 Submitted by: Nikolai Ikhalainen
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.11, 8.0.12, 5.7.23
]]> Tue, 31 Jul 2018 04:35:15 +0000 Server: InnoDB http://bugs.mysql.com/94370 #94370: Performance regression of btr_cur_prefetch_siblings http://bugs.mysql.com/bug.php?id=94370 Submitted by: zhai weixiang
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Mon, 18 Feb 2019 03:19:06 +0000 Server: InnoDB http://bugs.mysql.com/95390 #95390: wake up log_closer background thread in log_wait_for_space_in_log_recent_closed http://bugs.mysql.com/bug.php?id=95390 Submitted by: Fungo Wang
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.16
]]> Thu, 16 May 2019 09:57:15 +0000 Server: InnoDB http://bugs.mysql.com/95491 #95491: The unused wake up in simulator AIO of function reserve_slot http://bugs.mysql.com/bug.php?id=95491 Submitted by: Zongzhi Chen
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: ALL
]]> Thu, 23 May 2019 11:23:37 +0000 Server: InnoDB http://bugs.mysql.com/99432 #99432: Improving memory barrier during rseg allocation http://bugs.mysql.com/bug.php?id=99432 Submitted by: Krunal Bauskar
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.20
]]> Mon, 04 May 2020 08:09:37 +0000 Server: InnoDB http://bugs.mysql.com/100811 #100811: performance degradation in MySQL-8.0 vs MySQL-5.7 in simple DML operations. http://bugs.mysql.com/bug.php?id=100811 Submitted by: Eugene Polovnikov
Category: Server: InnoDB
Status: Duplicate
Severity: 5
OS: Oracle Linux
Version: 8.0.20
]]> Fri, 11 Sep 2020 09:22:32 +0000 Server: InnoDB http://bugs.mysql.com/105926 #105926: Query information_schema.processlist has performance impact on normal queries http://bugs.mysql.com/bug.php?id=105926 Submitted by: shangshang yu
Category: Server: InnoDB
Status: Duplicate
Severity: 5
OS: Any
Version: 8.0.18
]]> Fri, 17 Dec 2021 08:41:45 +0000 Server: InnoDB http://bugs.mysql.com/107700 #107700: Performance of Temptable is worse than Memory in GROUP BY scenario http://bugs.mysql.com/bug.php?id=107700 Submitted by: Jiayu Zhou
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0.29
]]> Wed, 29 Jun 2022 11:18:42 +0000 Server: InnoDB http://bugs.mysql.com/110600 #110600: optimize for page flush http://bugs.mysql.com/bug.php?id=110600 Submitted by: alex xing
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.32
]]> Tue, 04 Apr 2023 08:55:11 +0000 Server: InnoDB http://bugs.mysql.com/110606 #110606: Improve crc32c code for arm64 http://bugs.mysql.com/bug.php?id=110606 Submitted by: Cai Yibo
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Linux
Version: 8.0
]]> Tue, 04 Apr 2023 10:16:26 +0000 Server: InnoDB http://bugs.mysql.com/111353 #111353: 3x Performance Regression from 5.7 to 8.0 on ALTER TABLE FORCE. http://bugs.mysql.com/bug.php?id=111353 Submitted by: Jean-François Gagné
Category: Server: InnoDB
Status: Duplicate
Severity: 2
OS: Any
Version: 8.0, 8.0.33
]]> Sun, 11 Jun 2023 22:04:24 +0000 Server: InnoDB http://bugs.mysql.com/114468 #114468: Inconsistent table performance: fresh data import vs after optimization http://bugs.mysql.com/bug.php?id=114468 Submitted by: Przemyslaw Malkowski
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.3.0, 8.0.36
]]> Sun, 24 Mar 2024 21:51:02 +0000 Server: InnoDB http://bugs.mysql.com/115107 #115107: Optimization in row_purge_poss_sec Function for Undo Purge Process http://bugs.mysql.com/bug.php?id=115107 Submitted by: Zongzhi Chen
Category: Server: InnoDB
Status: Patch approved
Severity: 5
OS: Any
Version: 5.7, 8.0
]]> Thu, 23 May 2024 18:54:39 +0000 Server: InnoDB http://bugs.mysql.com/115399 #115399: performance deterioration caused by incorrect cpu usage statistics http://bugs.mysql.com/bug.php?id=115399 Submitted by: yuanyue Zheng
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.x, 8.0.37, 8.4.0
]]> Fri, 21 Jun 2024 03:40:53 +0000 Server: InnoDB http://bugs.mysql.com/116005 #116005: With NUMA and Read Committed, performance worsens under high concurrency. http://bugs.mysql.com/bug.php?id=116005 Submitted by: Bin Wang
Category: Server: InnoDB
Status: Patch pending
Severity: 5
OS: Any
Version: all versions
]]> Wed, 04 Sep 2024 23:43:23 +0000 Server: InnoDB http://bugs.mysql.com/116463 #116463: behavior related to innodb_spin_wait_delay changed in 8.0.30 http://bugs.mysql.com/bug.php?id=116463 Submitted by: Mark Callaghan
Category: Server: InnoDB
Status: Closed
Severity: 5
OS: Any
Version: 8.0
]]> Wed, 23 Oct 2024 20:38:40 +0000 Server: InnoDB http://bugs.mysql.com/117533 #117533: The performance is poor when concurrently reading undo records http://bugs.mysql.com/bug.php?id=117533 Submitted by: Ruyi Zhang
Category: Server: InnoDB
Status: Verified
Severity: 5
OS: Any
Version: 8.0.41
]]> Thu, 20 Feb 2025 13:37:31 +0000 Server: InnoDB http://bugs.mysql.com/118403 #118403: innodb_fill_factor is not honored for InnoDB Compressed Tables http://bugs.mysql.com/bug.php?id=118403 Submitted by: Alok Pathak
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
Version: 8.0.37, 8.0.42
]]> Mon, 09 Jun 2025 17:10:04 +0000 Server: InnoDB http://bugs.mysql.com/118411 #118411: Performance degradation in write workload after rebuilding table with row_format=compressed http://bugs.mysql.com/bug.php?id=118411 Submitted by: Alok Pathak
Category: Server: InnoDB
Status: Verified
Severity: 2
OS: CentOS
Version: 8.0.37, 8.0.42
]]> Tue, 10 Jun 2025 15:52:22 +0000 Server: InnoDB http://bugs.mysql.com/118723 #118723: optimize for innodb insert http://bugs.mysql.com/bug.php?id=118723 Submitted by: alex xing
Category: Server: InnoDB
Status: Patch pending
Severity: 5
OS: Any
Version: 8.0.42
]]> Sat, 26 Jul 2025 11:54:43 +0000 Server: InnoDB http://bugs.mysql.com/119480 #119480: Full table scans on primary keys, MySQL 8.0 performance degradation than MySQL 5.7. http://bugs.mysql.com/bug.php?id=119480 Submitted by: haizhen xue
Category: Server: InnoDB
Status: Verified
Severity: 3
OS: Any
]]> Mon, 01 Dec 2025 09:38:45 +0000 Server: InnoDB http://bugs.mysql.com/119877 #119877: InnoDB Buffer Pool Flush State Mutex Contention (8.0.42-debug) http://bugs.mysql.com/bug.php?id=119877 Submitted by: Jason Tang
Category: Server: InnoDB
Status: Open
Severity: 2
OS: Any
Version: 8.0.42+
]]> Tue, 10 Feb 2026 12:42:44 +0000 Server: InnoDB http://bugs.mysql.com/46656 #46656: InnoDB plugin: memory leaks (Valgrind) http://bugs.mysql.com/bug.php?id=46656 Submitted by: Guilhem Bichot
Category: Server: InnoDB Plugin
Status: Closed
Severity: 3
OS: Linux (64bit)
Version: 5.1
]]> Tue, 11 Aug 2009 16:13:35 +0000 Server: InnoDB Plugin http://bugs.mysql.com/35077 #35077: Very slow DROP TABLE (ALTER TABLE, OPTIMIZE TABLE) on compressed tables http://bugs.mysql.com/bug.php?id=35077 Submitted by: Philip Stoev
Category: Server: InnoDB Plugin
Status: Closed
Severity: 3
OS: Any
Version: 5.1.42
]]> Wed, 05 Mar 2008 12:13:41 +0000 Server: InnoDB Plugin http://bugs.mysql.com/53572 #53572: slow shutdown does not wait for the purge thread to purge everything http://bugs.mysql.com/bug.php?id=53572 Submitted by: Mikhail Izioumtchenko
Category: Server: InnoDB Plugin
Status: Closed
Severity: 1
OS: Any
Version: 1.1.0
]]> Tue, 11 May 2010 16:09:30 +0000 Server: InnoDB Plugin http://bugs.mysql.com/53654 #53654: after 2nd shutdown innodb_file_format_check attains strange values http://bugs.mysql.com/bug.php?id=53654 Submitted by: Mikhail Izioumtchenko
Category: Server: InnoDB Plugin
Status: Closed
Severity: 2
OS: Any
Version: 1.0, 1.1
]]> Fri, 14 May 2010 16:12:15 +0000 Server: InnoDB Plugin http://bugs.mysql.com/64181 #64181: unzip_LRU length management might need to be updated for SSD http://bugs.mysql.com/bug.php?id=64181 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Verified
Severity: 5
OS: Any
Version: 5.1.52, 5.1.61
]]> Tue, 31 Jan 2012 14:41:11 +0000 Server: InnoDB Plugin http://bugs.mysql.com/59143 #59143: valgrind leak warning from innodb_plugin.innodb-index for mysql 5.1.52 http://bugs.mysql.com/bug.php?id=59143 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Duplicate
Severity: 2
OS: Any
Version: 5.1.52, 5.5, 5.6
]]> Fri, 24 Dec 2010 00:13:24 +0000 Server: InnoDB Plugin http://bugs.mysql.com/63276 #63276: skip sleep in srv_master_thread when shutdown is in progress http://bugs.mysql.com/bug.php?id=63276 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.1.52, 5.1.60
]]> Wed, 16 Nov 2011 00:19:54 +0000 Server: InnoDB Plugin http://bugs.mysql.com/52102 #52102: InnoDB Plugin shows performance drop compared to InnoDB (Windows) http://bugs.mysql.com/bug.php?id=52102 Submitted by: Jonathan Miller
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Windows (Any)
Version: 5.0, 5.1, 5.5.5m3
]]> Tue, 16 Mar 2010 16:20:58 +0000 Server: InnoDB Plugin http://bugs.mysql.com/68022 #68022: DROP TABLE slow when it decompress compressed-only pages http://bugs.mysql.com/bug.php?id=68022 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 1
OS: Any
Version: 5.1,5.5
]]> Thu, 03 Jan 2013 18:00:13 +0000 Server: InnoDB Plugin http://bugs.mysql.com/53165 #53165: Setting innodb_change_buffering=DEFAULT produces incorrect result http://bugs.mysql.com/bug.php?id=53165 Submitted by: Paul DuBois
Category: Server: InnoDB Plugin
Status: Closed
Severity: 3
OS: Any
Version: mysql-5.5
]]> Mon, 26 Apr 2010 15:15:22 +0000 Server: InnoDB Plugin http://bugs.mysql.com/53852 #53852: InnoDB: Performance drop in SELECT_SUM_RANGES test at higher number of threads http://bugs.mysql.com/bug.php?id=53852 Submitted by: Alexey Stroganov
Category: Server: InnoDB Plugin
Status: Closed
Severity: 3
OS: Any
Version: 5.1.47/plugin1.0.8
]]> Thu, 20 May 2010 11:14:43 +0000 Server: InnoDB Plugin http://bugs.mysql.com/54538 #54538: use of exclusive innodb dictionary lock limits performance http://bugs.mysql.com/bug.php?id=54538 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 3
OS: Any
Version: 5.1.47
]]> Wed, 16 Jun 2010 01:23:55 +0000 Server: InnoDB Plugin http://bugs.mysql.com/64340 #64340: race on no_flush event during buf_flush_free_margin http://bugs.mysql.com/bug.php?id=64340 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Verified
Severity: 5
OS: Any
Version: 5.1.52, 5.1.61
]]> Wed, 15 Feb 2012 14:07:03 +0000 Server: InnoDB Plugin http://bugs.mysql.com/64673 #64673: InnoDB allocates too many empty pages in ibd files http://bugs.mysql.com/bug.php?id=64673 Submitted by: Nizameddin Ordulu
Category: Server: InnoDB Plugin
Status: Verified
Severity: 5
OS: Any
Version: 5.1
]]> Fri, 16 Mar 2012 23:14:50 +0000 Server: InnoDB Plugin http://bugs.mysql.com/49169 #49169: read_view_open_now is inefficient with many concurrent sessions http://bugs.mysql.com/bug.php?id=49169 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.0,5.1,5.1 plugin
]]> Fri, 27 Nov 2009 16:09:56 +0000 Server: InnoDB Plugin http://bugs.mysql.com/52588 #52588: InnoDB: performance regression in sysbench OLTP_RW test http://bugs.mysql.com/bug.php?id=52588 Submitted by: Alexey Stroganov
Category: Server: InnoDB Plugin
Status: Closed
Severity: 2
OS: Any
Version: 5.5.4/iplugin1.1
]]> Mon, 05 Apr 2010 02:45:49 +0000 Server: InnoDB Plugin http://bugs.mysql.com/52806 #52806: Make InnoDB mutexes green http://bugs.mysql.com/bug.php?id=52806 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.1
]]> Wed, 14 Apr 2010 06:32:41 +0000 Server: InnoDB Plugin http://bugs.mysql.com/59214 #59214: increase rate limit for insert buffer prefetch reads http://bugs.mysql.com/bug.php?id=59214 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.1,5.5
]]> Wed, 29 Dec 2010 15:45:19 +0000 Server: InnoDB Plugin http://bugs.mysql.com/61341 #61341: buf_LRU_insert_zip_clean can be O(N) on LRU length http://bugs.mysql.com/bug.php?id=61341 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.1.52
]]> Sat, 28 May 2011 15:37:54 +0000 Server: InnoDB Plugin http://bugs.mysql.com/61456 #61456: Optimistic Insert/Update uses wrong heuristics for compressed page size http://bugs.mysql.com/bug.php?id=61456 Submitted by: Nizameddin Ordulu
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.1.52
]]> Thu, 09 Jun 2011 07:40:41 +0000 Server: InnoDB Plugin http://bugs.mysql.com/65886 #65886: is the call to ibuf_merge_or_delete_for_page from buf_page_get_gen redundant? http://bugs.mysql.com/bug.php?id=65886 Submitted by: Mark Callaghan
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Any
Version: 5.1.52, 5.1.64
]]> Thu, 12 Jul 2012 19:24:26 +0000 Server: InnoDB Plugin http://bugs.mysql.com/70139 #70139: Performance of "ALTER TABLE..." queries http://bugs.mysql.com/bug.php?id=70139 Submitted by: Egor Korobitsin
Category: Server: InnoDB Plugin
Status: Closed
Severity: 5
OS: Windows
Version: 5.1.72
]]> Fri, 23 Aug 2013 16:03:06 +0000 Server: InnoDB Plugin http://bugs.mysql.com/85819 #85819: Optimize AARCH64 CRC32c implementation http://bugs.mysql.com/bug.php?id=85819 Submitted by: Yuqi Gu
Category: Server: InnoDB Plugin
Status: Verified
Severity: 5
OS: Linux
Version: 5.7
]]> Thu, 06 Apr 2017 03:04:23 +0000 Server: InnoDB Plugin http://bugs.mysql.com/82210 #82210: JSON memory usage missing from the memory summary tables http://bugs.mysql.com/bug.php?id=82210 Submitted by: Knut Anders Hatlen
Category: Server: JSON
Status: Closed
Severity: 3
OS: Any
Version: 8.0.0
]]> Wed, 13 Jul 2016 06:50:00 +0000 Server: JSON http://bugs.mysql.com/42930 #42930: 'show global status' causes lock contention on LOCK_thread_count http://bugs.mysql.com/bug.php?id=42930 Submitted by: Shane Bester
Category: Server: Locking
Status: Closed
Severity: 5
OS: Any
Version: 5.0, 5.1, 6.0
]]> Tue, 17 Feb 2009 11:44:30 +0000 Server: Locking http://bugs.mysql.com/53045 #53045: LOCK_thread_count locked when per connection threads created http://bugs.mysql.com/bug.php?id=53045 Submitted by: Mark Callaghan
Category: Server: Locking
Status: Verified
Severity: 5
OS: Any
Version: 5.1.45, 5.5
]]> Thu, 22 Apr 2010 04:58:26 +0000 Server: Locking http://bugs.mysql.com/66473 #66473: MySQL 5.6.6-m9 has more mutex contention than MySQL 5.1 http://bugs.mysql.com/bug.php?id=66473 Submitted by: Mark Callaghan
Category: Server: Locking
Status: Closed
Severity: 5
OS: Any
Version: 5.6.6-m9
]]> Tue, 21 Aug 2012 01:49:53 +0000 Server: Locking http://bugs.mysql.com/48832 #48832: Disconnection is slow when using non-persistent mysql connections http://bugs.mysql.com/bug.php?id=48832 Submitted by: Yoshinori Matsunobu
Category: Server: Locking
Status: Closed
Severity: 5
OS: Any
Version: 5.0+
]]> Tue, 17 Nov 2009 11:00:25 +0000 Server: Locking http://bugs.mysql.com/106610 #106610: Concurrent INSERT IGNORE in InnoDB table may trigger the database to stall http://bugs.mysql.com/bug.php?id=106610 Submitted by: Dirk LANGE
Category: Server: Locking
Status: Verified
Severity: 2
OS: Linux
Version: 5.7.33
]]> Tue, 01 Mar 2022 10:32:49 +0000 Server: Locking http://bugs.mysql.com/69030 #69030: Optimize table locks whole database http://bugs.mysql.com/bug.php?id=69030 Submitted by: Jens Rantil
Category: Server: Locking
Status: Closed
Severity: 1
OS: Any
Version: 5.1.66
]]> Mon, 22 Apr 2013 12:55:39 +0000 Server: Locking http://bugs.mysql.com/53096 #53096: Disconnection is slow when using non-persistent mysql connections http://bugs.mysql.com/bug.php?id=53096 Submitted by: Magnus Blåudd
Category: Server: Locking
Status: Closed
Severity: 5
OS: Any
Version: 5.1.44
]]> Fri, 23 Apr 2010 07:32:11 +0000 Server: Locking http://bugs.mysql.com/58689 #58689: MyISAM Selects locks inserts inside procedure only http://bugs.mysql.com/bug.php?id=58689 Submitted by: sam munkes
Category: Server: Locking
Status: Closed
Severity: 3
OS: Any
Version: 5.0, 5.1, 5.6.1
]]> Fri, 03 Dec 2010 06:02:51 +0000 Server: Locking http://bugs.mysql.com/52289 #52289: performance regression for MyISAM in sysbench OLTP_RW test http://bugs.mysql.com/bug.php?id=52289 Submitted by: Alexey Stroganov
Category: Server: Locking
Status: Closed
Severity: 2
OS: Any
Version: 5.5.3pre/5.5.4pre
]]> Tue, 23 Mar 2010 02:04:50 +0000 Server: Locking http://bugs.mysql.com/61401 #61401: UPDATE performance degrades gradually if a trigger exists http://bugs.mysql.com/bug.php?id=61401 Submitted by: Aurimas Mikalauskas
Category: Server: Locking
Status: Closed
Severity: 5
OS: Any
Version: MySQL 5.5.3+
]]> Fri, 03 Jun 2011 17:47:12 +0000 Server: Locking http://bugs.mysql.com/85191 #85191: performance regression with HANDLER READ syntax http://bugs.mysql.com/bug.php?id=85191 Submitted by: zhai weixiang
Category: Server: Locking
Status: Verified
Severity: 3
OS: Any
Version: 5.7, 5.7.17
]]> Mon, 27 Feb 2017 06:40:00 +0000 Server: Locking http://bugs.mysql.com/35396 #35396: Abnormal / impossible / large Query_time and Lock_time values in slow query log http://bugs.mysql.com/bug.php?id=35396 Submitted by: Guillaume Lefranc
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.0.50sp1a, 5.0 bzr
]]> Tue, 18 Mar 2008 14:15:37 +0000 Server: Logging http://bugs.mysql.com/39618 #39618: Using log-short-format does not change what is logged http://bugs.mysql.com/bug.php?id=39618 Submitted by: Donna Harmon
Category: Server: Logging
Status: Verified
Severity: 3
OS: Windows (XP)
Version: 5.0.27, 5.0.67
]]> Tue, 23 Sep 2008 21:56:06 +0000 Server: Logging http://bugs.mysql.com/50954 #50954: start_time in slow query log is recording the query end time, not start time http://bugs.mysql.com/bug.php?id=50954 Submitted by: eric t
Category: Server: Logging
Status: Verified
Severity: 3
OS: Linux (Red Hat 4.1.2-44)
Version: MySQL 5.1.32, 5.1, 5.5.99
]]> Fri, 05 Feb 2010 19:46:08 +0000 Server: Logging http://bugs.mysql.com/53191 #53191: Lock_time in slow log is negative when logging stored routines http://bugs.mysql.com/bug.php?id=53191 Submitted by: Bingxi Wu
Category: Server: Logging
Status: Closed
Severity: 1
OS: Any (linux, windows)
Version: 5.1.45, 5.1.46
]]> Tue, 27 Apr 2010 09:10:39 +0000 Server: Logging http://bugs.mysql.com/64822 #64822: ALTER TABLE does not appear in the slow query log http://bugs.mysql.com/bug.php?id=64822 Submitted by: Baron Schwartz
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.1.61, 5.5.20
]]> Sat, 31 Mar 2012 01:33:22 +0000 Server: Logging http://bugs.mysql.com/65715 #65715: Wrong connection ID (thread ID) in the general and slow query logs http://bugs.mysql.com/bug.php?id=65715 Submitted by: Davi Arnaut
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any (x86_64)
Version: 5.5.25
]]> Fri, 22 Jun 2012 19:51:27 +0000 Server: Logging http://bugs.mysql.com/82870 #82870: mysqld opens too many descriptors for slow query log http://bugs.mysql.com/bug.php?id=82870 Submitted by: Sveta Smirnova
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.7.14
]]> Tue, 06 Sep 2016 10:07:27 +0000 Server: Logging http://bugs.mysql.com/82899 #82899: Trying to turn-off slow_query_log with an active thrd logging slow query ASSERTs http://bugs.mysql.com/bug.php?id=82899 Submitted by: Krunal Bauskar
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.7.14, 5.7.15
]]> Thu, 08 Sep 2016 03:14:55 +0000 Server: Logging http://bugs.mysql.com/109482 #109482: The mysql slow query log contains invalid content, and the mysql common log file http://bugs.mysql.com/bug.php?id=109482 Submitted by: xichao li
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0.27
]]> Sun, 25 Dec 2022 09:33:46 +0000 Server: Logging http://bugs.mysql.com/110804 #110804: sql as "select count(*) from table" can't be logged in the slow query log. http://bugs.mysql.com/bug.php?id=110804 Submitted by: Siliang Wu
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0.32
]]> Tue, 25 Apr 2023 13:47:25 +0000 Server: Logging http://bugs.mysql.com/119101 #119101: Incorrect query_time is logged in the slow log when adjusting system time backward http://bugs.mysql.com/bug.php?id=119101 Submitted by: Hai Nguyen Xuan
Category: Server: Logging
Status: Open
Severity: 3
OS: Any
Version: 8.0.43
]]> Thu, 02 Oct 2025 04:44:03 +0000 Server: Logging http://bugs.mysql.com/32738 #32738: mysqld: Two slow log option/variable descriptions are inaccurate http://bugs.mysql.com/bug.php?id=32738 Submitted by: Paul DuBois
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.1, 6.0
]]> Mon, 26 Nov 2007 20:05:22 +0000 Server: Logging http://bugs.mysql.com/96722 #96722: Event does't record slow insert in slow log http://bugs.mysql.com/bug.php?id=96722 Submitted by: yunsheng zhu
Category: Server: Logging
Status: In progress
Severity: 3
OS: Any
Version: 5.6.28, 5.6.45, 5.7.27
]]> Tue, 03 Sep 2019 03:19:25 +0000 Server: Logging http://bugs.mysql.com/30414 #30414: Slowdown (related to logging) in 5.1.21 vs. 5.1.20 http://bugs.mysql.com/bug.php?id=30414 Submitted by: Omer Barnir
Category: Server: Logging
Status: Closed
Severity: 5
OS: Any
Version: 5.1
]]> Tue, 14 Aug 2007 17:09:58 +0000 Server: Logging http://bugs.mysql.com/98046 #98046: Inconsistent behavior while logging a killed query in the slow query log http://bugs.mysql.com/bug.php?id=98046 Submitted by: Pranay Motupalli
Category: Server: Logging
Status: Verified
Severity: 3
OS: Linux
Version: All
]]> Sat, 21 Dec 2019 08:14:46 +0000 Server: Logging http://bugs.mysql.com/23225 #23225: Slow query log: settiing slow_query_log_file writes to wrong file http://bugs.mysql.com/bug.php?id=23225 Submitted by: Paul DuBois
Category: Server: Logging
Status: Closed
Severity: 3
OS: Linux (Linux)
Version: 5.1 bk
]]> Thu, 12 Oct 2006 18:20:04 +0000 Server: Logging http://bugs.mysql.com/110098 #110098: add database message into slow log file http://bugs.mysql.com/bug.php?id=110098 Submitted by: bin wang
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: Ver 8.0.32
]]> Thu, 16 Feb 2023 11:57:32 +0000 Server: Logging http://bugs.mysql.com/89637 #89637: Contribution by Facebook: Slow Query Log Changes http://bugs.mysql.com/bug.php?id=89637 Submitted by: FBContrib Admin
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 8.0.4
]]> Tue, 13 Feb 2018 01:38:16 +0000 Server: Logging http://bugs.mysql.com/28808 #28808: log_queries_not_using_indexes variable dynamic change is ignored http://bugs.mysql.com/bug.php?id=28808 Submitted by: Valeriy Kravchuk
Category: Server: Logging
Status: Closed
Severity: 3
OS: Linux
Version: 5.0.44-BK, 5.0.40, 5.0.34, 5.0.24a
]]> Thu, 31 May 2007 14:00:45 +0000 Server: Logging http://bugs.mysql.com/47905 #47905: stored procedures with multiple statements not being logged to slow query log http://bugs.mysql.com/bug.php?id=47905 Submitted by: Matthew Lord
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.1.39
]]> Wed, 07 Oct 2009 23:43:55 +0000 Server: Logging http://bugs.mysql.com/71892 #71892: Missing information in slow query log for slow HANDLER statements http://bugs.mysql.com/bug.php?id=71892 Submitted by: Davi Arnaut
Category: Server: Logging
Status: Closed
Severity: 2
OS: Any
Version: 5.5,5.6,5.7
]]> Fri, 28 Feb 2014 22:00:39 +0000 Server: Logging http://bugs.mysql.com/80467 #80467: log_queries_not_using_indexes is not working as expected in 5.7 http://bugs.mysql.com/bug.php?id=80467 Submitted by: Ramesh Sivaraman
Category: Server: Logging
Status: Verified
Severity: 3
OS: CentOS
Version: 5.7.11
]]> Mon, 22 Feb 2016 09:26:49 +0000 Server: Logging http://bugs.mysql.com/98103 #98103: unexpected behavior while logging an aborted query in the slow query log http://bugs.mysql.com/bug.php?id=98103 Submitted by: Pranay Motupalli
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: All, 8.0.18
]]> Wed, 01 Jan 2020 05:14:32 +0000 Server: Logging http://bugs.mysql.com/72243 #72243: Queries where execution time exceeds 'MAX_STATEMENT_TIME' should go to slow log http://bugs.mysql.com/bug.php?id=72243 Submitted by: Peter Laursen
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.7.4
]]> Fri, 04 Apr 2014 18:48:45 +0000 Server: Logging http://bugs.mysql.com/72529 #72529: rm a large slow log file and then flush slow logs, the mysqld will hang http://bugs.mysql.com/bug.php?id=72529 Submitted by: Hao Liu
Category: Server: Logging
Status: Verified
Severity: 5
OS: Any
Version: 5.5
]]> Sun, 04 May 2014 10:13:40 +0000 Server: Logging http://bugs.mysql.com/76639 #76639: Index Merge (sort_union) plan gets picked up by log_queries_not_using_indexes=1 http://bugs.mysql.com/bug.php?id=76639 Submitted by: Leandro Morgado
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.6.20
]]> Thu, 09 Apr 2015 10:49:29 +0000 Server: Logging http://bugs.mysql.com/115526 #115526: Invalid multi-line "use" in slow query log file with multi-line schema. http://bugs.mysql.com/bug.php?id=115526 Submitted by: Jean-François Gagné
Category: Server: Logging
Status: Verified
Severity: 2
OS: Any
Version: 8.0, 8.4, 9.0
]]> Fri, 05 Jul 2024 13:16:57 +0000 Server: Logging http://bugs.mysql.com/104615 #104615: trx commit slow if there are too many binlog files to purge while rotating http://bugs.mysql.com/bug.php?id=104615 Submitted by: Brian Yue
Category: Server: Logging
Status: Verified
Severity: 5
OS: Any (rhel7.4)
Version: 8.0
]]> Fri, 13 Aug 2021 10:26:19 +0000 Server: Logging http://bugs.mysql.com/59861 #59861: why does log_slow_statement call thd_proc_info twice? http://bugs.mysql.com/bug.php?id=59861 Submitted by: Mark Callaghan
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.1, 5.5, trunk
]]> Tue, 01 Feb 2011 01:50:47 +0000 Server: Logging http://bugs.mysql.com/68626 #68626: GRANT statements logged twice in slow query log http://bugs.mysql.com/bug.php?id=68626 Submitted by: Daniël van Eeden
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.6.10
]]> Sun, 10 Mar 2013 16:11:27 +0000 Server: Logging http://bugs.mysql.com/91496 #91496: Regression: Slow_queries status variable isn't incremented if slow query is off http://bugs.mysql.com/bug.php?id=91496 Submitted by: Mikiya Okuno
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.7.3
]]> Fri, 29 Jun 2018 11:40:58 +0000 Server: Logging http://bugs.mysql.com/93963 #93963: Slow query log doesn't log a slow CREATE INDEX with admin statements enabled http://bugs.mysql.com/bug.php?id=93963 Submitted by: Jeremy Smyth
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 8.0.13
]]> Thu, 17 Jan 2019 12:56:10 +0000 Server: Logging http://bugs.mysql.com/111180 #111180: binlog rotate will cause query missing in slow log http://bugs.mysql.com/bug.php?id=111180 Submitted by: nanzhou lin
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.7*, 5.7.42, 5.7.44
]]> Mon, 29 May 2023 06:19:50 +0000 Server: Logging http://bugs.mysql.com/115841 #115841: Lock_time in slow log does not correctly record the lock waiting time http://bugs.mysql.com/bug.php?id=115841 Submitted by: Ruyi Zhang
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0.39, 8.4.2
]]> Thu, 15 Aug 2024 04:15:48 +0000 Server: Logging http://bugs.mysql.com/116651 #116651: slow log start_time is incorrect http://bugs.mysql.com/bug.php?id=116651 Submitted by: karry zhang
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Thu, 14 Nov 2024 11:27:43 +0000 Server: Logging http://bugs.mysql.com/19699 #19699: Cannot enable/disable general query log or slow query log at runtime http://bugs.mysql.com/bug.php?id=19699 Submitted by: Johan Andersson
Category: Server: Logging
Status: Duplicate
Severity: 3
OS: Any (*)
Version: *
]]> Wed, 10 May 2006 21:43:36 +0000 Server: Logging http://bugs.mysql.com/19764 #19764: SHOW commands end up in the slow log as table scans http://bugs.mysql.com/bug.php?id=19764 Submitted by: Tobias Asplund
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any (*)
Version: 5.0.15
]]> Fri, 12 May 2006 10:28:15 +0000 Server: Logging http://bugs.mysql.com/115160 #115160: Fix for bug 113187 http://bugs.mysql.com/bug.php?id=115160 Submitted by: Vitale Jiang
Category: Server: Logging
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Wed, 29 May 2024 09:52:30 +0000 Server: Logging http://bugs.mysql.com/30712 #30712: open_performance_schema_table() cause an open table leak on failures http://bugs.mysql.com/bug.php?id=30712 Submitted by: Marc ALFF
Category: Server: Logging
Status: Closed
Severity: 2
OS: Any
Version: 5.1
]]> Thu, 30 Aug 2007 00:00:41 +0000 Server: Logging http://bugs.mysql.com/27638 #27638: slow logging to CSV table inserts bad query_time and lock_time values http://bugs.mysql.com/bug.php?id=27638 Submitted by: Timothy Smith
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.1.18-bk
]]> Wed, 04 Apr 2007 07:28:40 +0000 Server: Logging http://bugs.mysql.com/30000 #30000: SHOW commands once again ends up in the slow query log http://bugs.mysql.com/bug.php?id=30000 Submitted by: Tobias Asplund
Category: Server: Logging
Status: Closed
Severity: 3
OS: Linux
Version: 5.1.20
]]> Tue, 24 Jul 2007 08:11:35 +0000 Server: Logging http://bugs.mysql.com/31700 #31700: thd->examined_row_count not incremented for 'const' type queries http://bugs.mysql.com/bug.php?id=31700 Submitted by: Maciej Dobrzanski
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.0, 5.1, 4.1, 5.2 bk
]]> Thu, 18 Oct 2007 19:44:20 +0000 Server: Logging http://bugs.mysql.com/32748 #32748: Inconsistent handling of assignments to general_log_file/slow_query_log_file http://bugs.mysql.com/bug.php?id=32748 Submitted by: Paul DuBois
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Tue, 27 Nov 2007 01:54:15 +0000 Server: Logging http://bugs.mysql.com/38889 #38889: Assignment of a variable to "slow_query_log_file" failed. http://bugs.mysql.com/bug.php?id=38889 Submitted by: Horst Hunger
Category: Server: Logging
Status: Duplicate
Severity: 3
OS: Linux (suse-linux-gnu on i686)
Version: 6.0.7-alpha-debug
]]> Tue, 19 Aug 2008 11:14:55 +0000 Server: Logging http://bugs.mysql.com/49756 #49756: Rows_examined is always 0 in the slow query log for update statements http://bugs.mysql.com/bug.php?id=49756 Submitted by: Mark Callaghan
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.0.44, 5.1.43
]]> Thu, 17 Dec 2009 04:39:56 +0000 Server: Logging http://bugs.mysql.com/63548 #63548: disable logging to slow log session-wise http://bugs.mysql.com/bug.php?id=63548 Submitted by: Peter Laursen
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: any
]]> Fri, 02 Dec 2011 19:13:10 +0000 Server: Logging http://bugs.mysql.com/69420 #69420: log_slow_statement could bail out earlier if slow logging is disabled http://bugs.mysql.com/bug.php?id=69420 Submitted by: Shane Bester
Category: Server: Logging
Status: Closed
Severity: 5
OS: Any
Version: 5.6.12
]]> Fri, 07 Jun 2013 07:18:34 +0000 Server: Logging http://bugs.mysql.com/73974 #73974: trunk - slow query log shows some bogus SET timestamp=4294966218; value http://bugs.mysql.com/bug.php?id=73974 Submitted by: Shane Bester
Category: Server: Logging
Status: Closed
Severity: 3
OS: Windows
Version: 5.7.6
]]> Thu, 18 Sep 2014 21:41:03 +0000 Server: Logging http://bugs.mysql.com/73978 #73978: slow_log table doesn't store fractional time part http://bugs.mysql.com/bug.php?id=73978 Submitted by: Eduardo Cortes
Category: Server: Logging
Status: Closed
Severity: 3
OS: Any
Version: 5.6.15, 5.6.20
]]> Fri, 19 Sep 2014 10:14:41 +0000 Server: Logging http://bugs.mysql.com/88937 #88937: mysql client history file grows without bounds, slows down connecting to server http://bugs.mysql.com/bug.php?id=88937 Submitted by: Riccardo Pizzi
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.6.38, 5.7.20
]]> Fri, 15 Dec 2017 11:27:39 +0000 Server: Logging http://bugs.mysql.com/95775 #95775: Version 5.6 has the wrong format for slow logging time http://bugs.mysql.com/bug.php?id=95775 Submitted by: kfpanda kf
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.6
]]> Thu, 13 Jun 2019 02:13:31 +0000 Server: Logging http://bugs.mysql.com/105540 #105540: the incorrect value of start_time field in the system table 'mysql.slow_log' http://bugs.mysql.com/bug.php?id=105540 Submitted by: mengchu shi
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 5.7,8.0
]]> Fri, 12 Nov 2021 07:10:10 +0000 Server: Logging http://bugs.mysql.com/107352 #107352: ROWS_EXAMINED confusing in MySQL 8 http://bugs.mysql.com/bug.php?id=107352 Submitted by: Iwo P
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0.28, 8.0.29
]]> Fri, 20 May 2022 11:00:58 +0000 Server: Logging http://bugs.mysql.com/107903 #107903: Contribution: Each slow log prints out the database name http://bugs.mysql.com/bug.php?id=107903 Submitted by: OCA Admin
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Mon, 18 Jul 2022 14:42:26 +0000 Server: Logging http://bugs.mysql.com/112414 #112414: log_slow_admin_statements cause store procedure record dml in slow log http://bugs.mysql.com/bug.php?id=112414 Submitted by: Xuming Zhang
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Thu, 21 Sep 2023 13:45:21 +0000 Server: Logging http://bugs.mysql.com/115285 #115285: log_slow_extra duplicates session number in Id and Thread_id http://bugs.mysql.com/bug.php?id=115285 Submitted by: Jean-François Gagné
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Tue, 11 Jun 2024 16:56:36 +0000 Server: Logging http://bugs.mysql.com/116814 #116814: The mysql.slow_log table uses @@session.time_zone to record time http://bugs.mysql.com/bug.php?id=116814 Submitted by: Xizhe Zhang
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: 8.0.40
]]> Thu, 28 Nov 2024 03:43:16 +0000 Server: Logging http://bugs.mysql.com/117422 #117422: The start_time is incorrect when call procedure http://bugs.mysql.com/bug.php?id=117422 Submitted by: karry zhang
Category: Server: Logging
Status: Verified
Severity: 3
OS: Any
Version: MySQL8.0,8.0.41
]]> Mon, 10 Feb 2025 09:12:32 +0000 Server: Logging http://bugs.mysql.com/68530 #68530: memory leak with innodb memcached plugin for stale connection http://bugs.mysql.com/bug.php?id=68530 Submitted by: Jijo Varghese
Category: Server: Memcached
Status: Closed
Severity: 1
OS: Linux (Centos 5)
Version: 5.6.10 GA
]]> Thu, 28 Feb 2013 21:32:56 +0000 Server: Memcached http://bugs.mysql.com/30090 #30090: DELETE from MEMORY table with BTREE primary key extremely slow http://bugs.mysql.com/bug.php?id=30090 Submitted by: Trent Lloyd
Category: Server: Memory
Status: Duplicate
Severity: 3
OS: Any
Version: 5.0.44
]]> Fri, 27 Jul 2007 06:23:12 +0000 Server: Memory http://bugs.mysql.com/73777 #73777: DELETE query takes a long time and examines more rows than exist in the table http://bugs.mysql.com/bug.php?id=73777 Submitted by: Paul Tumakaev
Category: Server: Memory
Status: Verified
Severity: 3
OS: Linux
Version: 5.6, 5.6.21, 5.5.40
]]> Sun, 31 Aug 2014 11:00:02 +0000 Server: Memory http://bugs.mysql.com/23764 #23764: BTREE index deletes only 1 item on memory table http://bugs.mysql.com/bug.php?id=23764 Submitted by: Ian Brooks
Category: Server: Memory
Status: Closed
Severity: 2
OS: Linux (FC5)
Version: 5.0.26 5.0.27
]]> Mon, 30 Oct 2006 10:16:13 +0000 Server: Memory http://bugs.mysql.com/69066 #69066: Memory leak slave_parallel_workers http://bugs.mysql.com/bug.php?id=69066 Submitted by: raza lei
Category: Server: Memory
Status: Duplicate
Severity: 3
OS: Any
Version: 5.6.11
]]> Thu, 25 Apr 2013 09:38:09 +0000 Server: Memory http://bugs.mysql.com/69075 #69075: Memory leak slave_parallel_workers http://bugs.mysql.com/bug.php?id=69075 Submitted by: raza lei
Category: Server: Memory
Status: Duplicate
Severity: 3
OS: Any
Version: 5.6.11, 5.6.15
]]> Fri, 26 Apr 2013 03:07:53 +0000 Server: Memory http://bugs.mysql.com/29349 #29349: dropping MEMORY table very slow http://bugs.mysql.com/bug.php?id=29349 Submitted by: Jacek Becla
Category: Server: Memory
Status: Verified
Severity: 3
OS: Any
Version: 5.0.27
]]> Tue, 26 Jun 2007 01:01:49 +0000 Server: Memory http://bugs.mysql.com/30743 #30743: Delete from MERGE-table is slow http://bugs.mysql.com/bug.php?id=30743 Submitted by: Sergey Spatar
Category: Server: Merge
Status: Verified
Severity: 3
OS: Any
Version: 5.0.37-community/5.1/6.0
]]> Fri, 31 Aug 2007 08:05:13 +0000 Server: Merge http://bugs.mysql.com/43401 #43401: Query spends too much time in ``sending data'' state http://bugs.mysql.com/bug.php?id=43401 Submitted by: Andrey Osenenko
Category: Server: MyISAM
Status: Closed
Severity: 3
OS: FreeBSD
Version: 5.1.30
]]> Thu, 05 Mar 2009 08:00:41 +0000 Server: MyISAM http://bugs.mysql.com/31551 #31551: MyISAM poor performance with multiple queries running concurrently http://bugs.mysql.com/bug.php?id=31551 Submitted by: Vadim TKACHENKO
Category: Server: MyISAM
Status: Verified
Severity: 2
OS: Linux (CentOS 4.5)
Version: 5.0.45, 5.0 BK, 5.1 BK
]]> Thu, 11 Oct 2007 22:30:48 +0000 Server: MyISAM http://bugs.mysql.com/40634 #40634: table scan temporary table is 4x slower due to mmap instead instead of caching http://bugs.mysql.com/bug.php?id=40634 Submitted by: Shane Bester
Category: Server: MyISAM
Status: Closed
Severity: 5
OS: Any
Version: 5.1.29, 6.0.x
]]> Tue, 11 Nov 2008 11:30:16 +0000 Server: MyISAM http://bugs.mysql.com/48153 #48153: Slowdown in test-connect http://bugs.mysql.com/bug.php?id=48153 Submitted by: Alexey Stroganov
Category: Server: MyISAM
Status: Verified
Severity: 3
OS: Any
Version: 5.1.40, 5.6.17
]]> Mon, 19 Oct 2009 15:09:14 +0000 Server: MyISAM http://bugs.mysql.com/98511 #98511: OPTIMIZE TABLE on myisam can increase table size (~2x) and reduce performance http://bugs.mysql.com/bug.php?id=98511 Submitted by: Pete Dishman
Category: Server: MyISAM
Status: Closed
Severity: 5
OS: Windows
Version: 8.0.19, 8.0.20
]]> Fri, 07 Feb 2020 10:11:36 +0000 Server: MyISAM http://bugs.mysql.com/2643 #2643: 4.0.16 selects different index than 4.0.14 http://bugs.mysql.com/bug.php?id=2643 Submitted by: Alan Bailward
Category: Server: MyISAM
Status: Closed
Severity: 2
OS: Linux (linux)
Version: 4.0.16
]]> Wed, 04 Feb 2004 13:21:47 +0000 Server: MyISAM http://bugs.mysql.com/2615 #2615: Performance problem when joining NULLs http://bugs.mysql.com/bug.php?id=2615 Submitted by: Nathan Goodman
Category: Server: MyISAM
Status: Duplicate
Severity: 2
OS: Linux (Red Hat 9.0)
Version: 4.1
]]> Mon, 02 Feb 2004 11:03:00 +0000 Server: MyISAM http://bugs.mysql.com/44723 #44723: Larger read_buffer_size values can cause performance decrease for INSERTs http://bugs.mysql.com/bug.php?id=44723 Submitted by: Harrison Fisk
Category: Server: MyISAM
Status: Closed
Severity: 5
OS: Linux
Version: 5.0/5.1
]]> Thu, 07 May 2009 15:34:10 +0000 Server: MyISAM http://bugs.mysql.com/712 #712: slow indexes in 4.0.13 vs. 3.23 http://bugs.mysql.com/bug.php?id=712 Submitted by: Sergei Golubchik
Category: Server: MyISAM
Status: Closed
Severity: 3
]]> Tue, 24 Jun 2003 10:33:54 +0000 Server: MyISAM http://bugs.mysql.com/2420 #2420: Fulltext index corrups table http://bugs.mysql.com/bug.php?id=2420 Submitted by: Vaclav Vobornik
Category: Server: MyISAM
Status: Duplicate
Severity: 2
OS: Linux (Linux 2.4.21)
Version: 4.1.2-dev latest
]]> Fri, 16 Jan 2004 01:58:45 +0000 Server: MyISAM http://bugs.mysql.com/100017 #100017: Extremely slow queries after database repair http://bugs.mysql.com/bug.php?id=100017 Submitted by: Mostafa Ghadamyari
Category: Server: MyISAM
Status: Duplicate
Severity: 5
OS: Any
Version: 8.0.20
]]> Sat, 27 Jun 2020 14:02:00 +0000 Server: MyISAM http://bugs.mysql.com/3835 #3835: alter table enable/disable keys corrupts database http://bugs.mysql.com/bug.php?id=3835 Submitted by: Mirza Hadzic
Category: Server: MyISAM
Status: Closed
Severity: 1
OS: Windows (Win 2000/XP)
Version: 4.1.2
]]> Thu, 20 May 2004 10:51:41 +0000 Server: MyISAM http://bugs.mysql.com/41871 #41871: Select + Index + Limit + offset on large MyIsam tables give very bad performance http://bugs.mysql.com/bug.php?id=41871 Submitted by: Bouvet Arnaud
Category: Server: MyISAM
Status: Verified
Severity: 5
OS: Any (MS Windows, Mac OS X)
Version: 5.1.30
]]> Mon, 05 Jan 2009 15:47:21 +0000 Server: MyISAM http://bugs.mysql.com/56523 #56523: Instrumentation regression in myisam/mi_rprev.c http://bugs.mysql.com/bug.php?id=56523 Submitted by: Marc ALFF
Category: Server: MyISAM
Status: Closed
Severity: 2
OS: Any
Version: 5.6
]]> Fri, 03 Sep 2010 01:12:53 +0000 Server: MyISAM http://bugs.mysql.com/44201 #44201: Performance problem with View http://bugs.mysql.com/bug.php?id=44201 Submitted by: Akiko Marti
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.1.32, 5.1.35-bzr, 6.0.11-bzr, 5.0, 5.6.99
]]> Fri, 10 Apr 2009 03:04:52 +0000 Server: Optimizer http://bugs.mysql.com/45424 #45424: UPDATE statement cause full table scan ? http://bugs.mysql.com/bug.php?id=45424 Submitted by: Lance Li
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Linux
Version: 5.0.51a, 5.0.77 and 5.1.34, 5.1, 6.0 bzr
]]> Wed, 10 Jun 2009 06:58:00 +0000 Server: Optimizer http://bugs.mysql.com/46376 #46376: Optimizer choose wrong index even when where clause and order-by are covered http://bugs.mysql.com/bug.php?id=46376 Submitted by: T C
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Windows (XP)
Version: 5.0.85, 5.1.36, 5.1.38, 5.1.39
]]> Fri, 24 Jul 2009 17:05:25 +0000 Server: Optimizer http://bugs.mysql.com/46508 #46508: MySQL 5.1.36 where / order by seems to sort first http://bugs.mysql.com/bug.php?id=46508 Submitted by: Harald Reindl
Category: Server: Optimizer
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1.36
]]> Sat, 01 Aug 2009 13:27:57 +0000 Server: Optimizer http://bugs.mysql.com/49111 #49111: Change in execution plan for count_distinct_group_on_key causes peformance drop http://bugs.mysql.com/bug.php?id=49111 Submitted by: Alexey Stroganov
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.5.0-beta, 5.1
]]> Wed, 25 Nov 2009 20:11:05 +0000 Server: Optimizer http://bugs.mysql.com/50212 #50212: MySQL doesn't use Primary Index for ORDER BY http://bugs.mysql.com/bug.php?id=50212 Submitted by: Shlomo Priymak
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 5.1.37, 5.1.42, 5.1.43-bzr
]]> Sun, 10 Jan 2010 14:07:49 +0000 Server: Optimizer http://bugs.mysql.com/50571 #50571: MySQL not using an index when using tuples in IN clause http://bugs.mysql.com/bug.php?id=50571 Submitted by: Shlomo Priymak
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Any
Version: 5.1.42
]]> Sun, 24 Jan 2010 11:09:43 +0000 Server: Optimizer http://bugs.mysql.com/57430 #57430: query optimizer does not pick covering index for some "order by" queries http://bugs.mysql.com/bug.php?id=57430 Submitted by: richard prohaska
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Linux
Version: 5.5.6-rc, 5.5.7
]]> Wed, 13 Oct 2010 13:41:05 +0000 Server: Optimizer http://bugs.mysql.com/59557 #59557: MySQL uses order of fields in GROUP BY when ORDER BY NULL is specified http://bugs.mysql.com/bug.php?id=59557 Submitted by: Shlomo Priymak
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.1, 5.5
]]> Mon, 17 Jan 2011 15:26:08 +0000 Server: Optimizer http://bugs.mysql.com/60281 #60281: Performance suggestion: optimize large and simple "LIMIT" queries http://bugs.mysql.com/bug.php?id=60281 Submitted by: Moshe Lampert
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Any
]]> Mon, 28 Feb 2011 14:01:29 +0000 Server: Optimizer http://bugs.mysql.com/62307 #62307: Condition "TIME = '19:20'" does not use index in sjis http://bugs.mysql.com/bug.php?id=62307 Submitted by: Sadao Hiratsuka
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.5.15
]]> Wed, 31 Aug 2011 01:54:01 +0000 Server: Optimizer http://bugs.mysql.com/64557 #64557: Correlated subquery performance is degraded in releases alfter 5.0 http://bugs.mysql.com/bug.php?id=64557 Submitted by: David Berg
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Windows (XP Pro SP3)
Version: 5.1.56, 5.5.20, 5.6.4
]]> Tue, 06 Mar 2012 00:12:33 +0000 Server: Optimizer http://bugs.mysql.com/64791 #64791: Mixed String/Int values in IN list cause full table scan http://bugs.mysql.com/bug.php?id=64791 Submitted by: Gavin Towey
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.1.61, 5.5
]]> Wed, 28 Mar 2012 20:17:16 +0000 Server: Optimizer http://bugs.mysql.com/65792 #65792: an unecessary Using temporary in distinct query http://bugs.mysql.com/bug.php?id=65792 Submitted by: xiaobin lin
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 5.1,5.5
]]> Tue, 03 Jul 2012 02:19:41 +0000 Server: Optimizer http://bugs.mysql.com/67815 #67815: MySQL consistently uses a low cardinality non-referenced column in a index scan http://bugs.mysql.com/bug.php?id=67815 Submitted by: Ovais Tariq
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Linux
Version: 5.5.28, 5.6.7
]]> Wed, 05 Dec 2012 08:51:40 +0000 Server: Optimizer http://bugs.mysql.com/68818 #68818: Large Value List in WHERE Clause Spends Too Much Time in 'statistics' State http://bugs.mysql.com/bug.php?id=68818 Submitted by: Jervin R
Category: Server: Optimizer
Status: Duplicate
Severity: 3
OS: Any
Version: 5.6.10
]]> Sat, 30 Mar 2013 05:29:52 +0000 Server: Optimizer http://bugs.mysql.com/70025 #70025: Update on P_S setup_consumers and threads through JOIN only updates first row http://bugs.mysql.com/bug.php?id=70025 Submitted by: Jesper wisborg Krogh
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (Oracle Linux 6)
Version: 5.6.13
]]> Wed, 14 Aug 2013 07:00:15 +0000 Server: Optimizer http://bugs.mysql.com/71171 #71171: Optimizer executes inperformant subquery first http://bugs.mysql.com/bug.php?id=71171 Submitted by: Martin Kirchner
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Linux (Debian 7.1)
Version: 5.6.14
]]> Wed, 18 Dec 2013 10:40:10 +0000 Server: Optimizer http://bugs.mysql.com/72501 #72501: joining NULLs + different collation is not efficient http://bugs.mysql.com/bug.php?id=72501 Submitted by: Arnaud Adant
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.17
]]> Thu, 01 May 2014 17:31:25 +0000 Server: Optimizer http://bugs.mysql.com/72518 #72518: UPDATE ORDER BY does a filesort if updating a column in the index http://bugs.mysql.com/bug.php?id=72518 Submitted by: Harrison Fisk
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 5.6.16
]]> Fri, 02 May 2014 23:42:44 +0000 Server: Optimizer http://bugs.mysql.com/74256 #74256: index_extensions used incorrectly in select cause performance regression http://bugs.mysql.com/bug.php?id=74256 Submitted by: Gavin Towey
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.6.19, 5.6.22
]]> Tue, 07 Oct 2014 22:43:15 +0000 Server: Optimizer http://bugs.mysql.com/76933 #76933: Performance Regression in 5.6: Update does not use index http://bugs.mysql.com/bug.php?id=76933 Submitted by: John Cesario
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux
Version: 5.6.24, 5.6.25
]]> Mon, 04 May 2015 17:26:39 +0000 Server: Optimizer http://bugs.mysql.com/79480 #79480: Suboptimal query plan in simple join compared to MariaDB 10.1 http://bugs.mysql.com/bug.php?id=79480 Submitted by: jocelyn fournier
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.7.9
]]> Tue, 01 Dec 2015 10:59:23 +0000 Server: Optimizer http://bugs.mysql.com/80505 #80505: mysql server 5.7.11 view performance issue http://bugs.mysql.com/bug.php?id=80505 Submitted by: mohamed atef
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Windows
Version: 5.7.11
]]> Thu, 25 Feb 2016 09:43:06 +0000 Server: Optimizer http://bugs.mysql.com/81854 #81854: Force index is skipped while executing select count(*) http://bugs.mysql.com/bug.php?id=81854 Submitted by: zhai weixiang
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.7, 5.7.13
]]> Wed, 15 Jun 2016 07:55:42 +0000 Server: Optimizer http://bugs.mysql.com/83287 #83287: created_tmp_tables statistic is wrong http://bugs.mysql.com/bug.php?id=83287 Submitted by: Guilhem Bichot
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.7
]]> Thu, 06 Oct 2016 12:54:29 +0000 Server: Optimizer http://bugs.mysql.com/83856 #83856: Index ref not used for multi-column IN - type or collation conversion warning http://bugs.mysql.com/bug.php?id=83856 Submitted by: monty solomon
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: CentOS
Version: 5.7.13,5.7.16
]]> Thu, 17 Nov 2016 04:19:05 +0000 Server: Optimizer http://bugs.mysql.com/85933 #85933: Performance regression with Prepared Statements http://bugs.mysql.com/bug.php?id=85933 Submitted by: Andrey Hristov
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0.1-dmr
]]> Thu, 13 Apr 2017 13:25:40 +0000 Server: Optimizer http://bugs.mysql.com/86710 #86710: Performance issue of explicit COLLATE clause http://bugs.mysql.com/bug.php?id=86710 Submitted by: yitao Xu
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux
Version: 8.0.2-dmr-enterprise-commercial-advanced
]]> Thu, 15 Jun 2017 08:57:28 +0000 Server: Optimizer http://bugs.mysql.com/86884 #86884: Create decimal microbenchmarks http://bugs.mysql.com/bug.php?id=86884 Submitted by: Steinar Gunderson
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 8.0.3
]]> Fri, 30 Jun 2017 12:44:07 +0000 Server: Optimizer http://bugs.mysql.com/92850 #92850: Bad select+order by+limit performance in 5.7 http://bugs.mysql.com/bug.php?id=92850 Submitted by: Sveta Smirnova
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.7.23
]]> Fri, 19 Oct 2018 00:46:57 +0000 Server: Optimizer http://bugs.mysql.com/93845 #93845: Optimizer choose wrong index, sorting index instead of filtering index http://bugs.mysql.com/bug.php?id=93845 Submitted by: Daniele Renda
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.7,8.0.11,8.0.13
]]> Mon, 07 Jan 2019 21:55:07 +0000 Server: Optimizer http://bugs.mysql.com/94224 #94224: [5.6] Optimizer reconsiders index based on index definition order, not value http://bugs.mysql.com/bug.php?id=94224 Submitted by: Domas Mituzas
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any (any)
Version: 5.6, 5.6.43
]]> Wed, 06 Feb 2019 16:45:32 +0000 Server: Optimizer http://bugs.mysql.com/94655 #94655: Some GIS function do not use spatial index anymore http://bugs.mysql.com/bug.php?id=94655 Submitted by: Cedric Tabin
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 8.0
]]> Thu, 14 Mar 2019 11:04:01 +0000 Server: Optimizer http://bugs.mysql.com/95058 #95058: Index not used for column with IS TRUE or IS FALSE operators http://bugs.mysql.com/bug.php?id=95058 Submitted by: monty solomon
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.7.21
]]> Thu, 18 Apr 2019 18:12:25 +0000 Server: Optimizer http://bugs.mysql.com/98520 #98520: Suboptimal implementations for some load/store functions for little-endian arch http://bugs.mysql.com/bug.php?id=98520 Submitted by: Alexey Kopytov
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Sat, 08 Feb 2020 09:37:18 +0000 Server: Optimizer http://bugs.mysql.com/98771 #98771: Performance impact while selecting data from a JSON type column http://bugs.mysql.com/bug.php?id=98771 Submitted by: Chelluru Vidyadhar
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.7, 5.7.29
]]> Fri, 28 Feb 2020 06:29:24 +0000 Server: Optimizer http://bugs.mysql.com/101220 #101220: Filesort used for ORDER BY ...DESC even when DESCending index available and used http://bugs.mysql.com/bug.php?id=101220 Submitted by: Marcos Albe
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0.21
]]> Sun, 18 Oct 2020 00:37:03 +0000 Server: Optimizer http://bugs.mysql.com/103010 #103010: Subquery dependent on const tables gets evaluated for unnecessary multiple times http://bugs.mysql.com/bug.php?id=103010 Submitted by: Hope Lee
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.23
]]> Wed, 17 Mar 2021 07:33:27 +0000 Server: Optimizer http://bugs.mysql.com/104186 #104186: Too few chunk files are created for hybrid hash join http://bugs.mysql.com/bug.php?id=104186 Submitted by: Øystein Grøvlen
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 01 Jul 2021 15:04:47 +0000 Server: Optimizer http://bugs.mysql.com/104760 #104760: incorrect placement of hash join predicates in a left outer join nest http://bugs.mysql.com/bug.php?id=104760 Submitted by: Shu Lin
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 8.0.26
]]> Sun, 29 Aug 2021 19:12:24 +0000 Server: Optimizer http://bugs.mysql.com/105303 #105303: Unmanageable Sort Buffer Behavior in 8.0.20+ http://bugs.mysql.com/bug.php?id=105303 Submitted by: Matt Lord
Category: Server: Optimizer
Status: Duplicate
Severity: 2
OS: Any
Version: 8.0.20+
]]> Fri, 22 Oct 2021 18:55:02 +0000 Server: Optimizer http://bugs.mysql.com/105304 #105304: Unmanageable Sort Buffer Behavior in 8.0.20+ http://bugs.mysql.com/bug.php?id=105304 Submitted by: Matt Lord
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 8.0.20+
]]> Fri, 22 Oct 2021 19:00:22 +0000 Server: Optimizer http://bugs.mysql.com/106135 #106135: REGEXP performance failure http://bugs.mysql.com/bug.php?id=106135 Submitted by: Александр Ммммммм
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0.27
]]> Tue, 11 Jan 2022 15:33:27 +0000 Server: Optimizer http://bugs.mysql.com/108116 #108116: SQL queries with range of Item_row are not optimized http://bugs.mysql.com/bug.php?id=108116 Submitted by: Brian Yue
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any (rhel-7.4)
Version: 8.0.29, 8.0.30, 5.7.39
]]> Thu, 11 Aug 2022 08:21:43 +0000 Server: Optimizer http://bugs.mysql.com/109601 #109601: Apply partition pruning if all insert rows have non-null values on autoinc field http://bugs.mysql.com/bug.php?id=109601 Submitted by: Hope Lee
Category: Server: Optimizer
Status: Documenting
Severity: 3
OS: Any
Version: 8.0
]]> Thu, 12 Jan 2023 09:00:47 +0000 Server: Optimizer http://bugs.mysql.com/110779 #110779: IN clause cause pick bad performan index http://bugs.mysql.com/bug.php?id=110779 Submitted by: Yunus UYANIK
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.33, 5.7.42
]]> Mon, 24 Apr 2023 11:32:33 +0000 Server: Optimizer http://bugs.mysql.com/111952 #111952: Row constructor inequality comparison on Primary Key results in full table scan. http://bugs.mysql.com/bug.php?id=111952 Submitted by: Jean-François Gagné
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 8.0, 8.0.34, 8.0.45, 5.7.43, 8.1.0, 8.4, 8.4.8
]]> Wed, 02 Aug 2023 19:50:38 +0000 Server: Optimizer http://bugs.mysql.com/112362 #112362: WHERE NOT IN with subquery is much slower on 8.1 than 5.7 http://bugs.mysql.com/bug.php?id=112362 Submitted by: Bradley Grainger
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Ubuntu (22.04)
Version: 8.1.0, 8.0.34
]]> Fri, 15 Sep 2023 20:19:59 +0000 Server: Optimizer http://bugs.mysql.com/113288 #113288: Explain plan shows dynamic range, but bug causes no chance to use for LEFT JOIN http://bugs.mysql.com/bug.php?id=113288 Submitted by: Hope Lee
Category: Server: Optimizer
Status: Documenting
Severity: 5
OS: Any
Version: 8.0.33
]]> Thu, 30 Nov 2023 06:58:55 +0000 Server: Optimizer http://bugs.mysql.com/114812 #114812: in list values exceed eq_range_index_dive_limit cause index not used http://bugs.mysql.com/bug.php?id=114812 Submitted by: jia liu
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.36,5.7.44
]]> Mon, 29 Apr 2024 09:55:39 +0000 Server: Optimizer http://bugs.mysql.com/115190 #115190: Failure to use index with subquery and tuples http://bugs.mysql.com/bug.php?id=115190 Submitted by: Yuchen Liu
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (jammy)
Version: 8.0.36
]]> Fri, 31 May 2024 22:12:30 +0000 Server: Optimizer http://bugs.mysql.com/115969 #115969: MySQL need not sort with ORDER BY primary_key on InnoDB on partial index match http://bugs.mysql.com/bug.php?id=115969 Submitted by: Tanel K
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.39
]]> Fri, 30 Aug 2024 13:59:23 +0000 Server: Optimizer http://bugs.mysql.com/116014 #116014: Performance Degradation in Query Execution Plans http://bugs.mysql.com/bug.php?id=116014 Submitted by: Bin Wang
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.27+
]]> Thu, 05 Sep 2024 15:43:08 +0000 Server: Optimizer http://bugs.mysql.com/116803 #116803: MySQL 8.0.33 is slower than MySQL 8.0.28 with queries using JOINS http://bugs.mysql.com/bug.php?id=116803 Submitted by: Aaditya Dubey
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.40
]]> Wed, 27 Nov 2024 11:29:38 +0000 Server: Optimizer http://bugs.mysql.com/116964 #116964: Result mismatch caused by derived condition push down. http://bugs.mysql.com/bug.php?id=116964 Submitted by: Xuefeng Zhang
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Linux
Version: 8.0.38, 8.0.40
]]> Fri, 13 Dec 2024 08:06:17 +0000 Server: Optimizer http://bugs.mysql.com/117705 #117705: Subquery performance degregation http://bugs.mysql.com/bug.php?id=117705 Submitted by: Yunus UYANIK
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Fri, 14 Mar 2025 09:39:03 +0000 Server: Optimizer http://bugs.mysql.com/118017 #118017: A very serious performance bug http://bugs.mysql.com/bug.php?id=118017 Submitted by: jinhui lai
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (22.04)
Version: 9.2.0, 9.3.0
]]> Sun, 20 Apr 2025 10:59:15 +0000 Server: Optimizer http://bugs.mysql.com/120900 #120900: Redundant OR FALSE Predicate Causes a Much Slower Plan http://bugs.mysql.com/bug.php?id=120900 Submitted by: cl hl
Category: Server: Optimizer
Status: Open
Severity: 2
OS: Any
Version: 9.5.0
]]> Mon, 13 Jul 2026 08:03:19 +0000 Server: Optimizer http://bugs.mysql.com/41890 #41890: Falcon: New execution plans with MRR cause slowdown for group of queries http://bugs.mysql.com/bug.php?id=41890 Submitted by: Alexey Stroganov
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 6.0.9-release
]]> Mon, 05 Jan 2009 22:53:29 +0000 Server: Optimizer http://bugs.mysql.com/47330 #47330: Slow query with left join and having. http://bugs.mysql.com/bug.php?id=47330 Submitted by: Peter Szekvolgyi
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux (Debian x64)
Version: 5.0.77, 5.1.34, 5.1.37
]]> Tue, 15 Sep 2009 15:39:07 +0000 Server: Optimizer http://bugs.mysql.com/119049 #119049: Performance regression in 8.0.41 compared to 5.7.37 for queries using limit http://bugs.mysql.com/bug.php?id=119049 Submitted by: zhiyang zhi
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (5.10.134-19.al8.x86_64)
Version: 8.0.41
]]> Mon, 22 Sep 2025 07:23:14 +0000 Server: Optimizer http://bugs.mysql.com/21849 #21849: select count distinct has rotten performance on at least versions 4&5 of mysql. http://bugs.mysql.com/bug.php?id=21849 Submitted by: Galt Barber
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (linux)
Version: 5.0.32-BK, 4 and 5, 5.1.42-bzr
]]> Sat, 26 Aug 2006 10:07:14 +0000 Server: Optimizer http://bugs.mysql.com/104897 #104897: Multi-valued index performance is too slow (Access too many rows than required) http://bugs.mysql.com/bug.php?id=104897 Submitted by: Seunguck Lee
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0.26, 8.0.17
]]> Fri, 10 Sep 2021 06:29:02 +0000 Server: Optimizer http://bugs.mysql.com/105017 #105017: Execute a statement with secondary engine, two entries in performance schema http://bugs.mysql.com/bug.php?id=105017 Submitted by: Ze Yang
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 8.0.26
]]> Thu, 23 Sep 2021 09:10:34 +0000 Server: Optimizer http://bugs.mysql.com/116241 #116241: Potential Performance Improvement on TPC-H http://bugs.mysql.com/bug.php?id=116241 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 9.1.0
]]> Thu, 26 Sep 2024 10:05:11 +0000 Server: Optimizer http://bugs.mysql.com/76349 #76349: memory leak in add_derived_key() http://bugs.mysql.com/bug.php?id=76349 Submitted by: Vlad Lesin
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.6
]]> Tue, 17 Mar 2015 11:35:57 +0000 Server: Optimizer http://bugs.mysql.com/17952 #17952: nested query super slow..should not be http://bugs.mysql.com/bug.php?id=17952 Submitted by: Xing Li
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (Linux)
Version: 4.1.18
]]> Mon, 06 Mar 2006 05:22:29 +0000 Server: Optimizer http://bugs.mysql.com/120870 #120870: Hypergraph misses BETWEEN equality, causing 100x slowdown http://bugs.mysql.com/bug.php?id=120870 Submitted by: Zack Morgan
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (22.04.4 LTS)
Version: 9.7.1
]]> Mon, 06 Jul 2026 05:20:06 +0000 Server: Optimizer http://bugs.mysql.com/81469 #81469: Slow performance for IN subquery and UNION http://bugs.mysql.com/bug.php?id=81469 Submitted by: Sveta Smirnova
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.30, 5.7.12
]]> Tue, 17 May 2016 21:51:01 +0000 Server: Optimizer http://bugs.mysql.com/47884 #47884: MySQL 5.1.39 failed to use index http://bugs.mysql.com/bug.php?id=47884 Submitted by: Dinh Pham
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Linux (Linux web2 2.6.18-92.1.18.el5.028stab060.8 #1 SMP Mon Feb 9 21:44:50 MSK 2009 x86_64)
Version: 5.1.39, 5.1.44, 5.5.99
]]> Wed, 07 Oct 2009 03:24:19 +0000 Server: Optimizer http://bugs.mysql.com/112597 #112597: Slow performance http://bugs.mysql.com/bug.php?id=112597 Submitted by: Ammar Hadj Amor
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Tue, 03 Oct 2023 12:14:59 +0000 Server: Optimizer http://bugs.mysql.com/112634 #112634: Slow performance Mysql 8.x http://bugs.mysql.com/bug.php?id=112634 Submitted by: Ammar Hadj Amor
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Windows
Version: 8.0 & 8.1
]]> Thu, 05 Oct 2023 12:03:17 +0000 Server: Optimizer http://bugs.mysql.com/68979 #68979: performance regression of MySQL 5.6.10? http://bugs.mysql.com/bug.php?id=68979 Submitted by: zhai weixiang
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 5.6.10
]]> Wed, 17 Apr 2013 03:47:38 +0000 Server: Optimizer http://bugs.mysql.com/71334 #71334: Small join on composite PK not performing well versus IN-list http://bugs.mysql.com/bug.php?id=71334 Submitted by: Greg Kemnitz
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Solaris
Version: 5.6.15-enterprise-commercial-advanced-lo
]]> Thu, 09 Jan 2014 20:26:14 +0000 Server: Optimizer http://bugs.mysql.com/94296 #94296: Poor Optimizer Performance with Composite Index, IN() function, and many Tuples http://bugs.mysql.com/bug.php?id=94296 Submitted by: Daniel Jeffery
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Ubuntu (Ubuntu 16.04.1 LTS)
Version: 8.0.11
]]> Tue, 12 Feb 2019 18:17:19 +0000 Server: Optimizer http://bugs.mysql.com/106006 #106006: conditions are not pushed down into subqueries with union all: performance issue http://bugs.mysql.com/bug.php?id=106006 Submitted by: Brian Yue
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any (rhel-7.4)
Version: 8.0.25, 8.0.27, 5.7.36
]]> Thu, 30 Dec 2021 03:10:19 +0000 Server: Optimizer http://bugs.mysql.com/119040 #119040: The execution performance of the default execution plan is poor. If ignore index is used, the query performance is great http://bugs.mysql.com/bug.php?id=119040 Submitted by: Alice Alice
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Linux
Version: 8.0.41
]]> Fri, 19 Sep 2025 06:46:52 +0000 Server: Optimizer http://bugs.mysql.com/35468 #35468: Slowdown and wrong result for uncorrelated subquery w/o where http://bugs.mysql.com/bug.php?id=35468 Submitted by: Alexey Stroganov
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 6.0.4
]]> Thu, 20 Mar 2008 20:01:49 +0000 Server: Optimizer http://bugs.mysql.com/36449 #36449: Significant slowdown for (ANY|SOME) subqueries processed with semijoin http://bugs.mysql.com/bug.php?id=36449 Submitted by: Alexey Stroganov
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 6.0.6-pre
]]> Thu, 01 May 2008 10:09:57 +0000 Server: Optimizer http://bugs.mysql.com/78213 #78213: Spatial index causes incorrect cardinality for all non-primary indexes http://bugs.mysql.com/bug.php?id=78213 Submitted by: Christopher Middleton
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any (Mac OS X 10.9 and CentOS 6)
Version: 5.6, 5.6.26, 5.5.46, 5.1.77
]]> Tue, 25 Aug 2015 20:03:15 +0000 Server: Optimizer http://bugs.mysql.com/9017 #9017: Rows are omitted from result set when using JOIN, XOR and ISNULL http://bugs.mysql.com/bug.php?id=9017 Submitted by: Petr Tomenendal
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Windows (WinXP SP2, Linux 2.4.22)
Version: 4.1.10
]]> Mon, 07 Mar 2005 11:02:38 +0000 Server: Optimizer http://bugs.mysql.com/38842 #38842: Fix for 25951 seems incorrect http://bugs.mysql.com/bug.php?id=38842 Submitted by: Pavamanaprasad Athani
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.0.45, 4.1, 5.0, 5.1, 6.0 bzr
]]> Mon, 18 Aug 2008 08:17:39 +0000 Server: Optimizer http://bugs.mysql.com/25130 #25130: Extremely Slow "Where in (Select... )" Subqueries GROUP BY / HAVING related http://bugs.mysql.com/bug.php?id=25130 Submitted by: Ashleigh Gordon
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Windows (Windows, Sparc & Linux)
Version: 5.0.34-BK, 5.0.27, 5.1, 5.5.0
]]> Mon, 18 Dec 2006 05:46:53 +0000 Server: Optimizer http://bugs.mysql.com/72854 #72854: Extremely slow performance with outer joins and join buffer http://bugs.mysql.com/bug.php?id=72854 Submitted by: Sergey Petrunya
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.6.17
]]> Tue, 03 Jun 2014 20:12:58 +0000 Server: Optimizer http://bugs.mysql.com/117907 #117907: Performance degradation in MySQL>=8.4 vs MySQL 8.0 due to redundant condition not optimized away http://bugs.mysql.com/bug.php?id=117907 Submitted by: Power Gamer
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.4.4, 9.2.0
]]> Tue, 08 Apr 2025 08:02:42 +0000 Server: Optimizer http://bugs.mysql.com/48060 #48060: Memory leak - Item::val_bool() (item.cc:184) from optimizer_subquery grammar http://bugs.mysql.com/bug.php?id=48060 Submitted by: Patrick Crews
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.5, 6.0-codebase
]]> Wed, 14 Oct 2009 21:20:17 +0000 Server: Optimizer http://bugs.mysql.com/74590 #74590: Memory leak in unit test CostEstimationTest.MergeManyBuff http://bugs.mysql.com/bug.php?id=74590 Submitted by: Olav Sandstå
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.7.6
]]> Mon, 27 Oct 2014 11:16:21 +0000 Server: Optimizer http://bugs.mysql.com/24035 #24035: performance of update query difference between 5.0.22-log AND 5.0.27-log http://bugs.mysql.com/bug.php?id=24035 Submitted by: Rik Druten
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (Linux, FREEBSD)
Version: 5.0.34-BK, 5.0.26, 5.0.27
]]> Tue, 07 Nov 2006 08:57:49 +0000 Server: Optimizer http://bugs.mysql.com/47914 #47914: Performance Issue with Subquery http://bugs.mysql.com/bug.php?id=47914 Submitted by: Xinhong Pu
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Windows (Windows Server 2003)
Version: 4.1 and 5.1
]]> Thu, 08 Oct 2009 09:10:29 +0000 Server: Optimizer http://bugs.mysql.com/76460 #76460: Cost constant cache's mutex not instrumented by performance schema http://bugs.mysql.com/bug.php?id=76460 Submitted by: Olav Sandstå
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.7.5
]]> Mon, 23 Mar 2015 13:01:03 +0000 Server: Optimizer http://bugs.mysql.com/83247 #83247: Severe regression in my_strnxfrm() from mysql-5.5 -> 5.6 http://bugs.mysql.com/bug.php?id=83247 Submitted by: Ole John Aske
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.6.33
]]> Mon, 03 Oct 2016 14:02:44 +0000 Server: Optimizer http://bugs.mysql.com/116776 #116776: Performance of TPC-DS Query 19 http://bugs.mysql.com/bug.php?id=116776 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 8.0.40
]]> Mon, 25 Nov 2024 18:45:17 +0000 Server: Optimizer http://bugs.mysql.com/19649 #19649: Extremely slow join http://bugs.mysql.com/bug.php?id=19649 Submitted by: Andre Timmer
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Solaris (Solaris)
Version: 5.0.25-BK, 5.0.18
]]> Tue, 09 May 2006 17:57:00 +0000 Server: Optimizer http://bugs.mysql.com/119541 #119541: Performance regression due to record buffer in index range scan http://bugs.mysql.com/bug.php?id=119541 Submitted by: Martin Hansson
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 8.0, 8.4, 9.5
]]> Thu, 11 Dec 2025 12:32:39 +0000 Server: Optimizer http://bugs.mysql.com/120821 #120821: SELECT DISTINCT makes an equivalent query ~170x faster on round90.t1 in MySQL 9.5.0 http://bugs.mysql.com/bug.php?id=120821 Submitted by: cl hl
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 9.5.0
]]> Wed, 01 Jul 2026 08:16:41 +0000 Server: Optimizer http://bugs.mysql.com/120793 #120793: Default heuristic pruning misses join-connected prefix in 3-table query, causing ~40x slower plan http://bugs.mysql.com/bug.php?id=120793 Submitted by: Zack Morgan
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (22.04.4 LTS)
Version: 9.7.1
]]> Sat, 27 Jun 2026 11:52:22 +0000 Server: Optimizer http://bugs.mysql.com/120772 #120772: UPDATE HISTOGRAM causes optimizer to use stale cardinalities and miss faster join order http://bugs.mysql.com/bug.php?id=120772 Submitted by: Zack Morgan
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (22.04.4 LTS)
Version: 9.7.1 and 8.0.31
]]> Thu, 25 Jun 2026 10:27:19 +0000 Server: Optimizer http://bugs.mysql.com/120477 #120477: Index Not Used for HAVING Without GROUP BY or aggregate functions http://bugs.mysql.com/bug.php?id=120477 Submitted by: jinhui lai
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 9.7.0
]]> Thu, 14 May 2026 15:50:07 +0000 Server: Optimizer http://bugs.mysql.com/120319 #120319: IN() clause containing over-length string values for VARCHAR(N) column causes full table scan in MySQL 8.4.x, while sing http://bugs.mysql.com/bug.php?id=120319 Submitted by: ccc zhang
Category: Server: Optimizer
Status: Duplicate
Severity: 2
OS: Any
Version: MySQL 8.4.6 LTS
]]> Wed, 22 Apr 2026 07:11:38 +0000 Server: Optimizer http://bugs.mysql.com/120132 #120132: Unexpected Query Results Caused by Prefix Index on TEXT Column http://bugs.mysql.com/bug.php?id=120132 Submitted by: b a
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 8.4.8
]]> Mon, 23 Mar 2026 11:28:36 +0000 Server: Optimizer http://bugs.mysql.com/118018 #118018: A query expose a logic bug and performance bug http://bugs.mysql.com/bug.php?id=118018 Submitted by: jinhui lai
Category: Server: Optimizer
Status: Verified
Severity: 1
OS: Ubuntu (22.04)
Version: 9.2.0, 9.3.0
]]> Sun, 20 Apr 2025 13:49:09 +0000 Server: Optimizer http://bugs.mysql.com/119094 #119094: Performance optimization patches http://bugs.mysql.com/bug.php?id=119094 Submitted by: Kamil Holubicki
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
]]> Mon, 29 Sep 2025 13:03:29 +0000 Server: Optimizer http://bugs.mysql.com/118020 #118020: A critical logic bug and performance bug http://bugs.mysql.com/bug.php?id=118020 Submitted by: jinhui lai
Category: Server: Optimizer
Status: Verified
Severity: 1
OS: Any (22.04)
Version: 9.2.0, 9.3.0
]]> Sun, 20 Apr 2025 23:23:52 +0000 Server: Optimizer http://bugs.mysql.com/23410 #23410: "select * from... where .. order by" very slow when 0 rows match the where cond http://bugs.mysql.com/bug.php?id=23410 Submitted by: Shane Bester
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Any (*)
Version: 5.0.26
]]> Wed, 18 Oct 2006 07:47:17 +0000 Server: Optimizer http://bugs.mysql.com/32665 #32665: Query with dependent subquery is too slow http://bugs.mysql.com/bug.php?id=32665 Submitted by: adrian drumea
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.1.22-rc-Debian_1-log
]]> Fri, 23 Nov 2007 16:26:41 +0000 Server: Optimizer http://bugs.mysql.com/33833 #33833: No rows are returned, even though query matches http://bugs.mysql.com/bug.php?id=33833 Submitted by: River Tarnell
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.0-bk, 5.1-bk
]]> Sat, 12 Jan 2008 15:31:03 +0000 Server: Optimizer http://bugs.mysql.com/44802 #44802: Very slow EXPLAIN when subqueries are used http://bugs.mysql.com/bug.php?id=44802 Submitted by: norbert van Nobelen
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Linux
Version: 4.1, 5.0, 5.1, 6.0.10-apha
]]> Mon, 11 May 2009 20:35:58 +0000 Server: Optimizer http://bugs.mysql.com/68748 #68748: Selects with large "IN" conditions are very slow http://bugs.mysql.com/bug.php?id=68748 Submitted by: Thomas Lane
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Linux (Centos 5)
Version: 5.6.10
]]> Fri, 22 Mar 2013 16:26:58 +0000 Server: Optimizer http://bugs.mysql.com/74078 #74078: join of large table to small table is slow if small table has less than 7 rows http://bugs.mysql.com/bug.php?id=74078 Submitted by: Jeroen van den Hoed
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux (Ubuntu 14)
Version: 5.6.19/5.5/5.7
]]> Thu, 25 Sep 2014 16:15:01 +0000 Server: Optimizer http://bugs.mysql.com/82725 #82725: Extremely slow query when optimizer_switch='derived_merge=ON' http://bugs.mysql.com/bug.php?id=82725 Submitted by: Zaihua Ji
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: CentOS (Linux rda-db-rep.ucar.edu 3.10.0-327.28.2.el7.x86_64 #1 SMP Wed Aug 3 11:11:39 UTC 2016 x86_64 x86_6)
Version: 5.7.14, 5.7.15
]]> Thu, 25 Aug 2016 15:55:19 +0000 Server: Optimizer http://bugs.mysql.com/100479 #100479: search with in() function runs really slow http://bugs.mysql.com/bug.php?id=100479 Submitted by: SUMMER SHENG
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Any
Version: 8.0
]]> Mon, 10 Aug 2020 09:04:29 +0000 Server: Optimizer http://bugs.mysql.com/111367 #111367: OFFSET 99 LIMIT 1 on a compound PK takes ages to execute. http://bugs.mysql.com/bug.php?id=111367 Submitted by: Jean-François Gagné
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0, 8.0.45, 8.4, 8.4.8
]]> Mon, 12 Jun 2023 15:36:44 +0000 Server: Optimizer http://bugs.mysql.com/17164 #17164: LEFT JOIN with OR clause not optimized correctly http://bugs.mysql.com/bug.php?id=17164 Submitted by: Johan Backlund
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (Linux)
Version: 5.0.19-BK, 5.0.18
]]> Mon, 06 Feb 2006 18:29:31 +0000 Server: Optimizer http://bugs.mysql.com/25658 #25658: Group by Performance is slow http://bugs.mysql.com/bug.php?id=25658 Submitted by: Jim Tyrrell
Category: Server: Optimizer
Status: Closed
Severity: 1
OS: Linux (Linux Fedora Core 6)
Version: 5.2.0 falcon-alpha and now 5.2.3
]]> Tue, 16 Jan 2007 19:34:52 +0000 Server: Optimizer http://bugs.mysql.com/47839 #47839: UNIX_TIMESTAMP() is not treated as a const http://bugs.mysql.com/bug.php?id=47839 Submitted by: Lachlan Mulcahy
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Any
Version: 5.1.39
]]> Mon, 05 Oct 2009 17:52:55 +0000 Server: Optimizer http://bugs.mysql.com/73136 #73136: Index scan incorrectly selected over ref+sort leading to x1000 worse performance http://bugs.mysql.com/bug.php?id=73136 Submitted by: Morgan Tocker
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.12,5.6.19,5.5, 5.5.38, 5.5.20
]]> Fri, 27 Jun 2014 16:34:16 +0000 Server: Optimizer http://bugs.mysql.com/109361 #109361: MySQL 8.0.29+ is slower than MySQL 8.0.28 with queries using JOINS http://bugs.mysql.com/bug.php?id=109361 Submitted by: Satya Bodapati
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 8.0.29
]]> Tue, 13 Dec 2022 12:06:55 +0000 Server: Optimizer http://bugs.mysql.com/115679 #115679: Block Nested-Loops Join can sometimes slow down the query http://bugs.mysql.com/bug.php?id=115679 Submitted by: hongjun xiao
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.37
]]> Wed, 24 Jul 2024 09:04:11 +0000 Server: Optimizer http://bugs.mysql.com/120869 #120869: Optimizer chooses 26x slower join order due to fanout misestimation despite histograms http://bugs.mysql.com/bug.php?id=120869 Submitted by: Zack Morgan
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (22.04.4 LTS)
Version: 9.7.1
]]> Sun, 05 Jul 2026 10:46:46 +0000 Server: Optimizer http://bugs.mysql.com/27452 #27452: Correlated subquery produces inefficient optimizer plan for INFORMATION_SCHEMA http://bugs.mysql.com/bug.php?id=27452 Submitted by: Jay Pipes
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Linux
Version: 5.0.40-BK, 5.0.24a-debian-log, 5.1.31-bzr, 6.0.7-alpha, 6.0.9-bzr
]]> Mon, 26 Mar 2007 17:35:17 +0000 Server: Optimizer http://bugs.mysql.com/27531 #27531: Query performance degredation in 4.1.22 and greater http://bugs.mysql.com/bug.php?id=27531 Submitted by: Todd Farmer
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 4.1.22 5.0
]]> Thu, 29 Mar 2007 18:00:29 +0000 Server: Optimizer http://bugs.mysql.com/34364 #34364: LEFT JOIN with subquery takes very long time http://bugs.mysql.com/bug.php?id=34364 Submitted by: Ratan Mohla
Category: Server: Optimizer
Status: Closed
Severity: 1
OS: Solaris (SunOS clapton.nms.fnc.fujitsu.com 5.10 Generic_118833-36 sun4u sparc SUNW,Ultra-4)
Version: 5.1.22
]]> Wed, 06 Feb 2008 21:17:41 +0000 Server: Optimizer http://bugs.mysql.com/34869 #34869: Almost 300% regression in index merge intersect performance http://bugs.mysql.com/bug.php?id=34869 Submitted by: Morgan Tocker
Category: Server: Optimizer
Status: Duplicate
Severity: 3
OS: Any
Version: 5.0
]]> Wed, 27 Feb 2008 02:00:15 +0000 Server: Optimizer http://bugs.mysql.com/35850 #35850: Performance regression in 5.1.23/5.1.24 http://bugs.mysql.com/bug.php?id=35850 Submitted by: Jeb Mershon
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any (Tested w/ SUSE)
Version: 5.1.23
]]> Sat, 05 Apr 2008 04:09:07 +0000 Server: Optimizer http://bugs.mysql.com/46648 #46648: SQL_CALC_FOUND_ROWS kills performance with ORDER BY and LIMIT http://bugs.mysql.com/bug.php?id=46648 Submitted by: Jille Timmermans
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Linux (2.6.28.7)
Version: 5.1.32, 4.1, 5.0, 5.1, azalea bzr
]]> Tue, 11 Aug 2009 11:41:04 +0000 Server: Optimizer http://bugs.mysql.com/50843 #50843: Optimizer ignores clustered index for GROUP BY even when it improves performance http://bugs.mysql.com/bug.php?id=50843 Submitted by: Chris Calender
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.1.42
]]> Tue, 02 Feb 2010 18:12:51 +0000 Server: Optimizer http://bugs.mysql.com/53737 #53737: Performance regressions after applying patch for bug 36569 http://bugs.mysql.com/bug.php?id=53737 Submitted by: Philip Stoev
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: mysql-next-mr
]]> Tue, 18 May 2010 09:30:45 +0000 Server: Optimizer http://bugs.mysql.com/54531 #54531: Performance regression with many joins http://bugs.mysql.com/bug.php?id=54531 Submitted by: Gary Pendergast
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.1.46, 5.1.47
]]> Tue, 15 Jun 2010 21:39:10 +0000 Server: Optimizer http://bugs.mysql.com/57024 #57024: Serious performance issue with an outer join http://bugs.mysql.com/bug.php?id=57024 Submitted by: Igor Babaev
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.1
]]> Sun, 26 Sep 2010 04:44:22 +0000 Server: Optimizer http://bugs.mysql.com/58225 #58225: Extreme performance degradation with joins http://bugs.mysql.com/bug.php?id=58225 Submitted by: Udo Schwedt
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Windows (Server 2003)
Version: 5.1.49, 5.1.54, 5.5.7
]]> Tue, 16 Nov 2010 11:21:16 +0000 Server: Optimizer http://bugs.mysql.com/65957 #65957: Poor correlated subquery performance with order by and limit http://bugs.mysql.com/bug.php?id=65957 Submitted by: Honza Horak
Category: Server: Optimizer
Status: Duplicate
Severity: 3
OS: Linux
Version: 5.1.62, 5.5.27, 5.6.6
]]> Fri, 20 Jul 2012 07:00:34 +0000 Server: Optimizer http://bugs.mysql.com/67432 #67432: Serious performance degradation for the query with ORDER BY ... LIMIT n http://bugs.mysql.com/bug.php?id=67432 Submitted by: Igor Babaev
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 5.6.7
]]> Wed, 31 Oct 2012 05:46:46 +0000 Server: Optimizer http://bugs.mysql.com/67899 #67899: Adding LIMIT to query increases time from 2 seconds to 42 minutes http://bugs.mysql.com/bug.php?id=67899 Submitted by: Josh H
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (CentOS 6.3)
Version: 5.5.27
]]> Thu, 13 Dec 2012 18:26:42 +0000 Server: Optimizer http://bugs.mysql.com/68825 #68825: performance regressions for single-threaded workloads http://bugs.mysql.com/bug.php?id=68825 Submitted by: Mark Callaghan
Category: Server: Optimizer
Status: In progress
Severity: 5
OS: Any
Version: 5.6.10
]]> Mon, 01 Apr 2013 16:28:16 +0000 Server: Optimizer http://bugs.mysql.com/68919 #68919: Performance regression when DS-MRR is used for query with small limit http://bugs.mysql.com/bug.php?id=68919 Submitted by: Olav Sandstå
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 5.6.10
]]> Wed, 10 Apr 2013 14:25:59 +0000 Server: Optimizer http://bugs.mysql.com/69350 #69350: performance regression between 5.5 and 5.6 for simple statement in routine loop http://bugs.mysql.com/bug.php?id=69350 Submitted by: Shane Bester
Category: Server: Optimizer
Status: In progress
Severity: 5
OS: Any
Version: 5.6
]]> Thu, 30 May 2013 05:44:55 +0000 Server: Optimizer http://bugs.mysql.com/70002 #70002: very low performance join - eq_ref and ref access broken for compound indexes http://bugs.mysql.com/bug.php?id=70002 Submitted by: Justin Swanhart
Category: Server: Optimizer
Status: Duplicate
Severity: 2
OS: Any
Version: 5.6.13, 5.5, 5.1
]]> Mon, 12 Aug 2013 19:23:22 +0000 Server: Optimizer http://bugs.mysql.com/70021 #70021: Poor execution of a plan with unnecessary "range checked for each record" http://bugs.mysql.com/bug.php?id=70021 Submitted by: Igor Babaev
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 5.6.13
]]> Tue, 13 Aug 2013 20:52:47 +0000 Server: Optimizer http://bugs.mysql.com/77414 #77414: Query digest does not reflect new optimizer hints http://bugs.mysql.com/bug.php?id=77414 Submitted by: Øystein Grøvlen
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.7.7
]]> Fri, 19 Jun 2015 09:36:15 +0000 Server: Optimizer http://bugs.mysql.com/81803 #81803: Mysql 5.1 and later Update performance regression http://bugs.mysql.com/bug.php?id=81803 Submitted by: ludovic halleux
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: >=5.1
]]> Fri, 10 Jun 2016 12:35:03 +0000 Server: Optimizer http://bugs.mysql.com/88671 #88671: ALL + BNL chosen over REF in query plan with a simple SELECT + JOIN http://bugs.mysql.com/bug.php?id=88671 Submitted by: jocelyn fournier
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 5.7.19
]]> Tue, 28 Nov 2017 00:16:14 +0000 Server: Optimizer http://bugs.mysql.com/99244 #99244: bad performance in hash join because join with no join condition between tables http://bugs.mysql.com/bug.php?id=99244 Submitted by: chunyang xu
Category: Server: Optimizer
Status: Verified
Severity: 1
OS: Any
Version: 8.0.19
]]> Tue, 14 Apr 2020 03:22:52 +0000 Server: Optimizer http://bugs.mysql.com/99414 #99414: Where exists performance 8.0.16 onwards http://bugs.mysql.com/bug.php?id=99414 Submitted by: Jonathan Taylor
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 8.0.20
]]> Thu, 30 Apr 2020 17:48:53 +0000 Server: Optimizer http://bugs.mysql.com/103710 #103710: Prepared statement performance slower with prefer_ordering_index optimization http://bugs.mysql.com/bug.php?id=103710 Submitted by: Joffrey MICHAÏE
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux
Version: 8.0.25
]]> Sat, 15 May 2021 14:26:46 +0000 Server: Optimizer http://bugs.mysql.com/107035 #107035: MRR may cause performance downgrade when multi-range on partition key http://bugs.mysql.com/bug.php?id=107035 Submitted by: Chen Wang
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Fri, 15 Apr 2022 09:12:49 +0000 Server: Optimizer http://bugs.mysql.com/109155 #109155: Invalid scan on left join tables of which columns not in distinct output fields http://bugs.mysql.com/bug.php?id=109155 Submitted by: Chen Wang
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.18, 8.0.31, 8.0.35
]]> Tue, 22 Nov 2022 05:43:18 +0000 Server: Optimizer http://bugs.mysql.com/110998 #110998: Performance regression with SELECT query when sorting on limited fields http://bugs.mysql.com/bug.php?id=110998 Submitted by: Ale Crismani
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 8.0.20+, 8.0.33
]]> Thu, 11 May 2023 15:33:53 +0000 Server: Optimizer http://bugs.mysql.com/112198 #112198: Incorrect multiple equality optimization causes performance degradation http://bugs.mysql.com/bug.php?id=112198 Submitted by: Wen He
Category: Server: Optimizer
Status: Documenting
Severity: 1
OS: Any
Version: 8.0, 8.0.34
]]> Mon, 28 Aug 2023 08:21:12 +0000 Server: Optimizer http://bugs.mysql.com/113647 #113647: identical tables are checked in HashJoin because of no STOP_AT_MATERIALIZATION http://bugs.mysql.com/bug.php?id=113647 Submitted by: tianfeng li
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0.35,8.2.0
]]> Tue, 16 Jan 2024 08:55:15 +0000 Server: Optimizer http://bugs.mysql.com/115227 #115227: prepared statement encounter performance degradation compared with normal select http://bugs.mysql.com/bug.php?id=115227 Submitted by: Qingping Zhu
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Wed, 05 Jun 2024 10:45:45 +0000 Server: Optimizer http://bugs.mysql.com/115555 #115555: Severe performance regression in filesort http://bugs.mysql.com/bug.php?id=115555 Submitted by: Huaxiong Song
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.4, 8.0.39
]]> Wed, 10 Jul 2024 10:31:11 +0000 Server: Optimizer http://bugs.mysql.com/115671 #115671: The optimizer has chosen a poor execution plan. http://bugs.mysql.com/bug.php?id=115671 Submitted by: hongjun xiao
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.37, 8.0.39
]]> Tue, 23 Jul 2024 09:47:49 +0000 Server: Optimizer http://bugs.mysql.com/115676 #115676: The optimizer has chosen a poor execution plan. http://bugs.mysql.com/bug.php?id=115676 Submitted by: hongjun xiao
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.37, 8.0.39
]]> Wed, 24 Jul 2024 04:34:52 +0000 Server: Optimizer http://bugs.mysql.com/115908 #115908: Poor performance in scanning the entire table in non indexed field order http://bugs.mysql.com/bug.php?id=115908 Submitted by: chong zhang
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Any
Version: 5.7.21,8.0.25
]]> Fri, 23 Aug 2024 05:55:53 +0000 Server: Optimizer http://bugs.mysql.com/116309 #116309: Performance of TPC-H Query http://bugs.mysql.com/bug.php?id=116309 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu
Version: 596f0d23 (9.0.0), 9.1.0
]]> Mon, 07 Oct 2024 10:39:51 +0000 Server: Optimizer http://bugs.mysql.com/116456 #116456: Performance of TPC-H Query 8 http://bugs.mysql.com/bug.php?id=116456 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 9.1.0
]]> Wed, 23 Oct 2024 06:43:18 +0000 Server: Optimizer http://bugs.mysql.com/116484 #116484: Unexpected Performance Dropdown for Query 11 in TPC-H http://bugs.mysql.com/bug.php?id=116484 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 9.1.0
]]> Sat, 26 Oct 2024 20:54:04 +0000 Server: Optimizer http://bugs.mysql.com/116534 #116534: Another Performance of TPC-H Query 16 http://bugs.mysql.com/bug.php?id=116534 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0)
]]> Sun, 03 Nov 2024 10:40:04 +0000 Server: Optimizer http://bugs.mysql.com/116612 #116612: Performance degradation of distinct operator from 5.7 to 8.0 http://bugs.mysql.com/bug.php?id=116612 Submitted by: Jingqi Tian
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.0.40, 8.0.41, 8.4.4
]]> Mon, 11 Nov 2024 11:46:20 +0000 Server: Optimizer http://bugs.mysql.com/116773 #116773: Performance of TPC-DS Query 7 http://bugs.mysql.com/bug.php?id=116773 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 8.0.40
]]> Mon, 25 Nov 2024 17:40:31 +0000 Server: Optimizer http://bugs.mysql.com/116774 #116774: Performance of TPC-DS Query 15 http://bugs.mysql.com/bug.php?id=116774 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 8.0.40
]]> Mon, 25 Nov 2024 18:00:49 +0000 Server: Optimizer http://bugs.mysql.com/116775 #116775: Performance of TPC-DS Query 16 http://bugs.mysql.com/bug.php?id=116775 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 8.0.40
]]> Mon, 25 Nov 2024 18:34:40 +0000 Server: Optimizer http://bugs.mysql.com/116777 #116777: Performance of TPC-DS Query 47 http://bugs.mysql.com/bug.php?id=116777 Submitted by: JINSHENG BA
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 596f0d23 (9.0.0), 8.0.40
]]> Mon, 25 Nov 2024 19:50:23 +0000 Server: Optimizer http://bugs.mysql.com/117085 #117085: Performance issue with Multi-Valued Index and ORDER BY DESC LIMIT (Reads more data than expected) http://bugs.mysql.com/bug.php?id=117085 Submitted by: Eunbin Baek
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 8.0.40
]]> Tue, 31 Dec 2024 08:50:32 +0000 Server: Optimizer http://bugs.mysql.com/118144 #118144: Performance regression at 8.0.40 related to record buffer usage http://bugs.mysql.com/bug.php?id=118144 Submitted by: Chris Gray
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Red Hat (RHEL9)
Version: 8.0.40, 8.0.42
]]> Thu, 08 May 2025 23:35:19 +0000 Server: Optimizer http://bugs.mysql.com/118198 #118198: Different intersection orders lead to more than 20,000 times performance gap http://bugs.mysql.com/bug.php?id=118198 Submitted by: jinhui lai
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Ubuntu (22.04)
Version: 9.3.0
]]> Wed, 14 May 2025 14:16:58 +0000 Server: Optimizer http://bugs.mysql.com/118264 #118264: Performance bug in SEMI JOIN with empty tables http://bugs.mysql.com/bug.php?id=118264 Submitted by: jinhui lai
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu
Version: 9.3.0
]]> Sun, 25 May 2025 15:04:05 +0000 Server: Optimizer http://bugs.mysql.com/119052 #119052: Performance regression in 8.0.40 http://bugs.mysql.com/bug.php?id=119052 Submitted by: zhiyang zhi
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux (5.10.134-19.al8.x86_64)
Version: 8.0.43
]]> Mon, 22 Sep 2025 09:22:25 +0000 Server: Optimizer http://bugs.mysql.com/119531 #119531: Optimizer should use a short-circuit DESC scan for SELECT MAX(PK) WHERE ... http://bugs.mysql.com/bug.php?id=119531 Submitted by: Michael Adelson
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.4.6
]]> Tue, 09 Dec 2025 14:40:02 +0000 Server: Optimizer http://bugs.mysql.com/120279 #120279: Severe performance degradation with window function + joins (works fast in PostgreSQL/DuckDB/TiDB) http://bugs.mysql.com/bug.php?id=120279 Submitted by: Jasper Andrew
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 8.0.43 (MySQL Community Server - GPL)
]]> Fri, 17 Apr 2026 07:23:27 +0000 Server: Optimizer http://bugs.mysql.com/120809 #120809: Optimizer misses DISTINCT early-out and chooses 40M-row hash join Cartesian product http://bugs.mysql.com/bug.php?id=120809 Submitted by: Zack Morgan
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (22.04.4 LTS)
Version: 9.7.1 and 8.0.31
]]> Mon, 29 Jun 2026 07:31:29 +0000 Server: Optimizer http://bugs.mysql.com/27732 #27732: Possible memory leak with index_merge http://bugs.mysql.com/bug.php?id=27732 Submitted by: Brice Figureau
Category: Server: Optimizer
Status: Closed
Severity: 1
OS: Any (windows, linux)
Version: 5.0.56,5.1.22
]]> Tue, 10 Apr 2007 13:18:23 +0000 Server: Optimizer http://bugs.mysql.com/59110 #59110: Memory leak of QUICK_SELECT_I allocated memory http://bugs.mysql.com/bug.php?id=59110 Submitted by: Ole John Aske
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.6.99, 5.5, 5.1 ->
]]> Wed, 22 Dec 2010 09:49:05 +0000 Server: Optimizer http://bugs.mysql.com/59308 #59308: Incorrect result for SELECT DISTINCT <col>... ORDER BY <col> DESC http://bugs.mysql.com/bug.php?id=59308 Submitted by: Ole John Aske
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.6.99, 5.5, 5.1 ->
]]> Wed, 05 Jan 2011 11:46:29 +0000 Server: Optimizer http://bugs.mysql.com/8139 #8139: subselect index not used for "in" but used for "=" http://bugs.mysql.com/bug.php?id=8139 Submitted by: John Swapceinski
Category: Server: Optimizer
Status: Duplicate
Severity: 3
OS: Linux (Linux)
Version: 4.1.8
]]> Wed, 26 Jan 2005 07:49:03 +0000 Server: Optimizer http://bugs.mysql.com/9021 #9021: Query with subquery does not use index in outer query http://bugs.mysql.com/bug.php?id=9021 Submitted by: Pete French
Category: Server: Optimizer
Status: Closed
Severity: 1
OS: FreeBSD (FreeBSD)
Version: 4.1.7, 5.6.4
]]> Mon, 07 Mar 2005 13:23:38 +0000 Server: Optimizer http://bugs.mysql.com/14295 #14295: very slow 'explain' http://bugs.mysql.com/bug.php?id=14295 Submitted by: Aleksey Kishkin
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 4.1 and above
]]> Tue, 25 Oct 2005 14:06:43 +0000 Server: Optimizer http://bugs.mysql.com/16081 #16081: SLOW SELECT http://bugs.mysql.com/bug.php?id=16081 Submitted by: Roberto Spadim
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (LINUX)
Version: 5.0.19-BK, 5.0.15
]]> Fri, 30 Dec 2005 00:19:51 +0000 Server: Optimizer http://bugs.mysql.com/17212 #17212: results not sorted correctly by ORDER BY when using index http://bugs.mysql.com/bug.php?id=17212 Submitted by: Timothy Smith
Category: Server: Optimizer
Status: Closed
Severity: 1
OS: Linux (linux)
Version: 4.1.18, 5.0.18, 4.0.26
]]> Tue, 07 Feb 2006 23:09:10 +0000 Server: Optimizer http://bugs.mysql.com/17560 #17560: select with subselect does not use indexed key http://bugs.mysql.com/bug.php?id=17560 Submitted by: Alois Treindl
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Linux (Linux)
Version: 5.0.18
]]> Sun, 19 Feb 2006 20:36:52 +0000 Server: Optimizer http://bugs.mysql.com/19579 #19579: Optimizer does not choose right index and thus query is slow. http://bugs.mysql.com/bug.php?id=19579 Submitted by: Sergey Vladimirov
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (Linux)
Version: 5.0.24-BK, 5.0.16-log, 5.0.18, 5.0.21-log, 5.1.7-log
]]> Sat, 06 May 2006 10:59:36 +0000 Server: Optimizer http://bugs.mysql.com/24770 #24770: update with subquery slow http://bugs.mysql.com/bug.php?id=24770 Submitted by: Roberto Spadim
Category: Server: Optimizer
Status: In progress
Severity: 5
OS: Any (all)
Version: 5.1
]]> Sat, 02 Dec 2006 00:37:17 +0000 Server: Optimizer http://bugs.mysql.com/28554 #28554: Optimizer wrongly prefers index for (col = value) over (PK <= value) http://bugs.mysql.com/bug.php?id=28554 Submitted by: Valeriy Kravchuk
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 4.1.22, 5.0.42-BK
]]> Mon, 21 May 2007 09:32:16 +0000 Server: Optimizer http://bugs.mysql.com/34310 #34310: Optimizer is inefficient by using ORDER BY function() and LIMIT http://bugs.mysql.com/bug.php?id=34310 Submitted by: Richard Teubel
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 5.0.51a-log, 5.0.54, 5.6.14
]]> Tue, 05 Feb 2008 14:51:56 +0000 Server: Optimizer http://bugs.mysql.com/36660 #36660: SUBQUERY slow http://bugs.mysql.com/bug.php?id=36660 Submitted by: Roberto Spadim
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Linux
Version: 5.1.20
]]> Mon, 12 May 2008 04:45:17 +0000 Server: Optimizer http://bugs.mysql.com/42948 #42948: MySQL Optimizer does not properly use Indexes on Views with "Group By" http://bugs.mysql.com/bug.php?id=42948 Submitted by: John Kounis
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux (Ubuntu 8.10)
Version: 5.0.67-0ubuntu6, 6.0.11
]]> Tue, 17 Feb 2009 23:02:39 +0000 Server: Optimizer http://bugs.mysql.com/43187 #43187: SELECT ... WHERE (col1, col2) IN ((const, const)) is optimized, non-SELECT not http://bugs.mysql.com/bug.php?id=43187 Submitted by: Axel Schwenke
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux
Version: 5.0, 5.1, 5.6
]]> Wed, 25 Feb 2009 13:45:35 +0000 Server: Optimizer http://bugs.mysql.com/46135 #46135: LIMIT + JOIN problem http://bugs.mysql.com/bug.php?id=46135 Submitted by: Pavel Bazanov
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.0, 5.1, next, 6.0.0, 6.0.2, 5.1.36
]]> Sun, 12 Jul 2009 19:03:43 +0000 Server: Optimizer http://bugs.mysql.com/55979 #55979: Key not used if IN() list contains mix of strings and integers http://bugs.mysql.com/bug.php?id=55979 Submitted by: Bruno Barberi Gnecco
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 5.1.39
]]> Fri, 13 Aug 2010 22:05:55 +0000 Server: Optimizer http://bugs.mysql.com/56714 #56714: Slow MAX() on primary key retrieved by secondary index in InnoDB http://bugs.mysql.com/bug.php?id=56714 Submitted by: Nicholas Sherlock
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Windows
Version: 5.1.50, 5.1.51-bzr
]]> Fri, 10 Sep 2010 12:45:40 +0000 Server: Optimizer http://bugs.mysql.com/58101 #58101: Optimizer picks wrong order of queries http://bugs.mysql.com/bug.php?id=58101 Submitted by: Zbigniew Braniecki
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 5.1.38-community-log, 5.1.54-bzr
]]> Wed, 10 Nov 2010 00:21:44 +0000 Server: Optimizer http://bugs.mysql.com/59203 #59203: Serious optimizer failure when query is encapsulated in additional SELECT/INSERT http://bugs.mysql.com/bug.php?id=59203 Submitted by: Roel Van de Paar
Category: Server: Optimizer
Status: Closed
Severity: 1
OS: Any
Version: 5.0.91,5.1.39,5.1.55,5.5.8
]]> Wed, 29 Dec 2010 04:38:04 +0000 Server: Optimizer http://bugs.mysql.com/61541 #61541: SLOW QUERY - REWRITE http://bugs.mysql.com/bug.php?id=61541 Submitted by: Roberto Spadim
Category: Server: Optimizer
Status: Duplicate
Severity: 3
OS: Linux
Version: 5.5
]]> Thu, 16 Jun 2011 16:26:02 +0000 Server: Optimizer http://bugs.mysql.com/61631 #61631: slow query plans for queries with low cardinality columns in a key http://bugs.mysql.com/bug.php?id=61631 Submitted by: richard prohaska
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (centos 5.5)
Version: 5.5.13, 5.5.22
]]> Fri, 24 Jun 2011 14:49:12 +0000 Server: Optimizer http://bugs.mysql.com/63905 #63905: handler_read_next is suprisingly high and slows queries http://bugs.mysql.com/bug.php?id=63905 Submitted by: Philip Gladstone
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Windows
Version: 5.1.60
]]> Mon, 02 Jan 2012 23:47:29 +0000 Server: Optimizer http://bugs.mysql.com/65177 #65177: perromance issue of "order by rand()" http://bugs.mysql.com/bug.php?id=65177 Submitted by: xiaobin lin
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 5.1,5.5
]]> Wed, 02 May 2012 09:43:57 +0000 Server: Optimizer http://bugs.mysql.com/67980 #67980: MySQL not utilising full index because of possible bad cardinality stats http://bugs.mysql.com/bug.php?id=67980 Submitted by: Ovais Tariq
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.5.28
]]> Thu, 27 Dec 2012 14:54:05 +0000 Server: Optimizer http://bugs.mysql.com/68046 #68046: IN() clause with many constant values does not perform http://bugs.mysql.com/bug.php?id=68046 Submitted by: Martijn Otto
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any (Ubuntu 12.04)
Version: 5.6-rc9
]]> Mon, 07 Jan 2013 09:29:03 +0000 Server: Optimizer http://bugs.mysql.com/73046 #73046: Optimizer chooses wrong plan with (const, range) order by range ASC http://bugs.mysql.com/bug.php?id=73046 Submitted by: Morgan Tocker
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.6.19
]]> Thu, 19 Jun 2014 02:42:42 +0000 Server: Optimizer http://bugs.mysql.com/78407 #78407: wrong index being used in subqueries? http://bugs.mysql.com/bug.php?id=78407 Submitted by: Jay Jay
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 7.4.6/5.6.24, 5.7, 8.0
]]> Fri, 11 Sep 2015 12:45:54 +0000 Server: Optimizer http://bugs.mysql.com/81347 #81347: unnecessary scanned all databases for information_schema http://bugs.mysql.com/bug.php?id=81347 Submitted by: Dave Pullin
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: CentOS
Version: 5.1.73, 5.5.49, 5.6.30,5.7.12
]]> Sun, 08 May 2016 16:10:40 +0000 Server: Optimizer http://bugs.mysql.com/85834 #85834: InnoDB: Very slow select query with many tables and IS NULL in where clause http://bugs.mysql.com/bug.php?id=85834 Submitted by: Vassilis Kary
Category: Server: Optimizer
Status: Duplicate
Severity: 5
OS: Windows
Version: 5.7.17
]]> Thu, 06 Apr 2017 13:31:01 +0000 Server: Optimizer http://bugs.mysql.com/89149 #89149: SELECT DISTINCT on multiple TEXT columns is slow http://bugs.mysql.com/bug.php?id=89149 Submitted by: Leif Neve
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Red Hat (7.4)
Version: 5.7.20
]]> Mon, 08 Jan 2018 23:41:12 +0000 Server: Optimizer http://bugs.mysql.com/89367 #89367: Storing result in a variable(UDV) causes query on a view to use derived tables http://bugs.mysql.com/bug.php?id=89367 Submitted by: Jaime Sicam
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.7.20, 5.7.21
]]> Wed, 24 Jan 2018 02:52:58 +0000 Server: Optimizer http://bugs.mysql.com/93360 #93360: mysterious optimizer behavior http://bugs.mysql.com/bug.php?id=93360 Submitted by: dean winchester
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux
Version: 5.6.16,5.7.23
]]> Tue, 27 Nov 2018 09:41:47 +0000 Server: Optimizer http://bugs.mysql.com/93922 #93922: UNION ALL very slow with SUM(0) http://bugs.mysql.com/bug.php?id=93922 Submitted by: Sergio Paternoster
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux
Version: 8.0.13
]]> Mon, 14 Jan 2019 16:04:03 +0000 Server: Optimizer http://bugs.mysql.com/97339 #97339: bin() function return Incorrect result set http://bugs.mysql.com/bug.php?id=97339 Submitted by: ashe sun
Category: Server: Optimizer
Status: Verified
Severity: 2
OS: Any
Version: 5.7.18, 5.7.28, 5.6.46
]]> Wed, 23 Oct 2019 08:06:53 +0000 Server: Optimizer http://bugs.mysql.com/105068 #105068: Type ref instead of range after reconsidering_access_paths_for_index_ordering. http://bugs.mysql.com/bug.php?id=105068 Submitted by: Jean-François Gagné
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.7
]]> Tue, 28 Sep 2021 22:06:37 +0000 Server: Optimizer http://bugs.mysql.com/107554 #107554: regexp_replace in trigger VERY slow when using unicode category \\p{C} http://bugs.mysql.com/bug.php?id=107554 Submitted by: Patrick LeGros
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Ubuntu (20.04.4 LTS)
Version: 8.0.29-0ubuntu0.20.04.3
]]> Mon, 13 Jun 2022 20:28:46 +0000 Server: Optimizer http://bugs.mysql.com/112304 #112304: MEM_ROOT::AllocBlock() does not satisfy minimum_length bigger than wanted_length http://bugs.mysql.com/bug.php?id=112304 Submitted by: Kaiwang CHen
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 8.0
]]> Sat, 09 Sep 2023 18:07:28 +0000 Server: Optimizer http://bugs.mysql.com/114512 #114512: MySQL 8: Order by with hash join incredibly slow http://bugs.mysql.com/bug.php?id=114512 Submitted by: Jakub Szafrański
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Any
Version: 8.3.0, 8.0.36
]]> Fri, 29 Mar 2024 09:35:59 +0000 Server: Optimizer http://bugs.mysql.com/119447 #119447: Prepare Statement execute much slower than normal select query http://bugs.mysql.com/bug.php?id=119447 Submitted by: Qingping Zhu
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: CentOS
Version: 8.0.41
]]> Sun, 23 Nov 2025 08:34:44 +0000 Server: Optimizer http://bugs.mysql.com/120575 #120575: Range optimizer chooses bad range plan for large IN lists and execution is very slow and memory usage spikes. http://bugs.mysql.com/bug.php?id=120575 Submitted by: hel le
Category: Server: Optimizer
Status: Open
Severity: 2
OS: Any
Version: 8.0.41+
]]> Sat, 30 May 2026 06:57:19 +0000 Server: Optimizer http://bugs.mysql.com/120834 #120834: AVG on Large DOUBLE Values Returns Inconsistent Results Across Execution Paths (Index Scan vs. Temporary Table) http://bugs.mysql.com/bug.php?id=120834 Submitted by: Annie liu
Category: Server: Optimizer
Status: Verified
Severity: 1
OS: Any
Version: 9.7.1
]]> Thu, 02 Jul 2026 10:38:13 +0000 Server: Optimizer http://bugs.mysql.com/120868 #120868: Optimizer misses ORDER BY LIMIT optimization when ordering key is equivalent through join equality http://bugs.mysql.com/bug.php?id=120868 Submitted by: Zack Morgan
Category: Server: Optimizer
Status: Verified
Severity: 5
OS: Linux (22.04.4 LTS)
Version: 9.7.1
]]> Sun, 05 Jul 2026 08:42:17 +0000 Server: Optimizer http://bugs.mysql.com/11948 #11948: MyISAM only, nested JOIN Views, dramatic performance loss http://bugs.mysql.com/bug.php?id=11948 Submitted by: Matthias Leich
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Any
Version: 5.0
]]> Thu, 14 Jul 2005 18:00:15 +0000 Server: Optimizer http://bugs.mysql.com/13814 #13814: index including TINYBLOB breaks SELECT functionality http://bugs.mysql.com/bug.php?id=13814 Submitted by: Mark Modrall
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (linux)
Version: 4.1.12/4.1 BK source
]]> Thu, 06 Oct 2005 19:09:04 +0000 Server: Optimizer http://bugs.mysql.com/14253 #14253: Optimizer uses partial indexes for subqueries, where it should not http://bugs.mysql.com/bug.php?id=14253 Submitted by: Domas Mituzas
Category: Server: Optimizer
Status: Verified
Severity: 3
OS: Linux (Linux)
Version: 5.0, 4.1, 6.0.14-bzr
]]> Mon, 24 Oct 2005 09:26:12 +0000 Server: Optimizer http://bugs.mysql.com/14816 #14816: VIEW performs filesort when using ORDER BY but underlying table does not http://bugs.mysql.com/bug.php?id=14816 Submitted by: Shane Bester
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Linux (Linux, Windows)
Version: 5.0.15, 5.0.16-bk
]]> Thu, 10 Nov 2005 09:40:28 +0000 Server: Optimizer http://bugs.mysql.com/15135 #15135: Dependent subquery performs very badly http://bugs.mysql.com/bug.php?id=15135 Submitted by: Dominic Binks
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any (NT)
Version: 4.1.14
]]> Tue, 22 Nov 2005 14:28:05 +0000 Server: Optimizer http://bugs.mysql.com/19690 #19690: ORDER BY eliminates rows from the result http://bugs.mysql.com/bug.php?id=19690 Submitted by: Baron Schwartz
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (Gentoo Linux)
Version: 4.1.19/4.1BK
]]> Wed, 10 May 2006 16:13:35 +0000 Server: Optimizer http://bugs.mysql.com/19895 #19895: No optimization of where clause subqueries rewritable as joins http://bugs.mysql.com/bug.php?id=19895 Submitted by: Michael Del Monte
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Windows (Windows XP)
Version: 5.0.20, 6.0.7, 6.0.14
]]> Wed, 17 May 2006 22:41:15 +0000 Server: Optimizer http://bugs.mysql.com/21174 #21174: Index degrades sort performance and optimizer does not honor IGNORE INDEX http://bugs.mysql.com/bug.php?id=21174 Submitted by: John David Duncan
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (linux)
Version: 5.0.18, 5.1bk
]]> Thu, 20 Jul 2006 06:17:26 +0000 Server: Optimizer http://bugs.mysql.com/24972 #24972: Join and sub-query execution differences http://bugs.mysql.com/bug.php?id=24972 Submitted by: Jim Bullington
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any (Windows)
Version: 5.0.27, 6.0.14
]]> Mon, 11 Dec 2006 21:55:13 +0000 Server: Optimizer http://bugs.mysql.com/27199 #27199: Performance problem when query contains a left join against a subquery http://bugs.mysql.com/bug.php?id=27199 Submitted by: Stephen Gornick
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Linux (linux)
Version: 5.0.22, 5.0.37, 4.1 BK, 5.1 BK
]]> Fri, 16 Mar 2007 05:03:14 +0000 Server: Optimizer http://bugs.mysql.com/36569 #36569: UPDATE ... WHERE ... ORDER BY... always does a filesort even if not required http://bugs.mysql.com/bug.php?id=36569 Submitted by: Harrison Fisk
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 5.0.56sp1
]]> Wed, 07 May 2008 15:32:03 +0000 Server: Optimizer http://bugs.mysql.com/37576 #37576: MySQL6.0 performance regression compared with MySQL5.1 using Sysbench read test http://bugs.mysql.com/bug.php?id=37576 Submitted by: Xuekun Hu
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Linux (SLES10SP1 (2.6.16.46-0.12-smp))
Version: 6.0
]]> Mon, 23 Jun 2008 06:29:44 +0000 Server: Optimizer http://bugs.mysql.com/37759 #37759: Performance/Index problem updating from 5.1.22 to 5.1.25 http://bugs.mysql.com/bug.php?id=37759 Submitted by: Andreas Mller
Category: Server: Optimizer
Status: Duplicate
Severity: 1
OS: Any
Version: 5.1.25
]]> Tue, 01 Jul 2008 09:41:41 +0000 Server: Optimizer http://bugs.mysql.com/38213 #38213: MySQL does not seem to execute select count (distinct) efficiently http://bugs.mysql.com/bug.php?id=38213 Submitted by: Zardosht Kasheff
Category: Server: Optimizer
Status: Closed
Severity: 3
OS: Any
Version: 5.1.23-rc
]]> Thu, 17 Jul 2008 20:46:10 +0000 Server: Optimizer http://bugs.mysql.com/38745 #38745: MySQL 5.1 optimizer uses filesort for ORDER BY when it should use index http://bugs.mysql.com/bug.php?id=38745 Submitted by: Marc Isambart
Category: Server: Optimizer
Status: Closed
Severity: 2
OS: Any
Version: 5.1
]]> Tue, 12 Aug 2008 09:44:58 +0000 Server: Optimizer http://bugs.mysql.com/41740 #41740: MySQL 5.1 optimizer produces inefficient plan for complex queries http://bugs.mysql.com/bug.php?id=41740 Submitted by: Valeriy Kravchuk
Category: Server: Optimizer
Status: Closed
Severity: 5
OS: Any
Version: 5.1.25,5.1.30
]]> Thu, 25 Dec 2008 08:51:19 +0000 Server: Optimizer http://bugs.mysql.com/80089 #80089: Memory leak from open files limit http://bugs.mysql.com/bug.php?id=80089 Submitted by: Manuel Ung
Category: Server: Options
Status: Closed
Severity: 3
OS: Linux
Version: 5.6, 5.6.28
]]> Thu, 21 Jan 2016 01:58:14 +0000 Server: Options http://bugs.mysql.com/105442 #105442: Contribution: Fix memory leak when host_cache_size is 0. http://bugs.mysql.com/bug.php?id=105442 Submitted by: OCA Admin
Category: Server: Options
Status: Verified
Severity: 3
OS: Any
Version: 5.7
]]> Wed, 03 Nov 2021 13:05:42 +0000 Server: Options http://bugs.mysql.com/59393 #59393: have_innodb=YES when mysqld started with --skip-innodb http://bugs.mysql.com/bug.php?id=59393 Submitted by: Craig Thomson
Category: Server: Options
Status: Closed
Severity: 2
OS: Any (SunOS 5.10 Generic_142910-17 i86pc i386 i86pc)
Version: 5.5.8, 5.5.9-bzr
]]> Mon, 10 Jan 2011 12:47:48 +0000 Server: Options http://bugs.mysql.com/105933 #105933: The table "general_log" not close when config option general_log set into OFF http://bugs.mysql.com/bug.php?id=105933 Submitted by: teng wang
Category: Server: Options
Status: Verified
Severity: 3
OS: Linux
Version: 5.7.35, 8.0.27
]]> Sun, 19 Dec 2021 08:11:58 +0000 Server: Options http://bugs.mysql.com/105964 #105964: The table "general_log/slow_log" not close when config log_output set into NONE http://bugs.mysql.com/bug.php?id=105964 Submitted by: teng wang
Category: Server: Options
Status: Verified
Severity: 3
OS: Linux
Version: 5.7.35, 8.0.27
]]> Thu, 23 Dec 2021 01:43:58 +0000 Server: Options http://bugs.mysql.com/59860 #59860: log-slow-admin-statements and log-slow-slave-statements not displayed http://bugs.mysql.com/bug.php?id=59860 Submitted by: Mark Callaghan
Category: Server: Options
Status: Closed
Severity: 3
OS: Any
Version: 5.1, 5.5, trunk
]]> Tue, 01 Feb 2011 01:28:42 +0000 Server: Options http://bugs.mysql.com/96799 #96799: Contribution by Facebook: Periodic fsync in select into outfile controlled ... http://bugs.mysql.com/bug.php?id=96799 Submitted by: FBContrib Admin
Category: Server: Options
Status: Closed
Severity: 3
OS: Any
Version: 8.0.13
]]> Tue, 10 Sep 2019 00:32:44 +0000 Server: Options http://bugs.mysql.com/69419 #69419: Undocumented and untested table_open_cache table_definition_cache default change http://bugs.mysql.com/bug.php?id=69419 Submitted by: Laurynas Biveinis
Category: Server: Options
Status: Closed
Severity: 2
OS: Any
Version: 5.6.12
]]> Fri, 07 Jun 2013 07:04:48 +0000 Server: Options http://bugs.mysql.com/58106 #58106: Wrong directory info in general_log_file/slow_query_log_file. http://bugs.mysql.com/bug.php?id=58106 Submitted by: Horst Hunger
Category: Server: Options
Status: Verified
Severity: 3
OS: Any
Version: 5.1-bugteam
]]> Wed, 10 Nov 2010 10:24:47 +0000 Server: Options http://bugs.mysql.com/69295 #69295: Slow_queries status variable incremented when it should not http://bugs.mysql.com/bug.php?id=69295 Submitted by: Cyril SCETBON
Category: Server: Options
Status: Verified
Severity: 3
OS: Any
Version: 5.1.44, 5.6.10
]]> Tue, 21 May 2013 16:22:43 +0000 Server: Options http://bugs.mysql.com/105957 #105957: The table "slow_log" not close when config option slow_query_log set into OFF http://bugs.mysql.com/bug.php?id=105957 Submitted by: teng wang
Category: Server: Options
Status: Verified
Severity: 3
OS: Linux
Version: 5.7.35, 8.0.27
]]> Wed, 22 Dec 2021 07:44:29 +0000 Server: Options http://bugs.mysql.com/80989 #80989: Severe performance degradation from 5.6 to 5.7 with a long query on a larg table http://bugs.mysql.com/bug.php?id=80989 Submitted by: Paolo Scaglione
Category: Server: Options
Status: Duplicate
Severity: 2
OS: Any
]]> Thu, 07 Apr 2016 08:09:07 +0000 Server: Options http://bugs.mysql.com/30625 #30625: Performance, reduce depth for expressions http://bugs.mysql.com/bug.php?id=30625 Submitted by: Marc ALFF
Category: Server: Parser
Status: Closed
Severity: 5
OS: Any
Version: 5.0, 5.1
]]> Fri, 24 Aug 2007 15:28:28 +0000 Server: Parser http://bugs.mysql.com/76509 #76509: use atomics to avoid MUTEX CONTENTION ON LOCK_PLUGIN DUE TO QUERY REWRITE FRAMEW http://bugs.mysql.com/bug.php?id=76509 Submitted by: Tor Didriksen
Category: Server: Parser
Status: Closed
Severity: 3
OS: Any
Version: 5.7
]]> Fri, 27 Mar 2015 14:45:49 +0000 Server: Parser http://bugs.mysql.com/30333 #30333: Performance, expressions lists in the parser http://bugs.mysql.com/bug.php?id=30333 Submitted by: Marc ALFF
Category: Server: Parser
Status: Closed
Severity: 5
OS: Any
Version: 4.0, 4.1, 5.0, 5.1
]]> Thu, 09 Aug 2007 14:47:03 +0000 Server: Parser http://bugs.mysql.com/29921 #29921: MYSQLparse uses 3X more CPU in MySQL 5.0 than yyparse in MySQL 4.0 http://bugs.mysql.com/bug.php?id=29921 Submitted by: Mark Callaghan
Category: Server: Parser
Status: Closed
Severity: 5
OS: Any
Version: 5.0.37
]]> Fri, 20 Jul 2007 03:39:32 +0000 Server: Parser http://bugs.mysql.com/30237 #30237: Performance regression in boolean expressions http://bugs.mysql.com/bug.php?id=30237 Submitted by: Marc ALFF
Category: Server: Parser
Status: Closed
Severity: 5
OS: Any
Version: 5.0
]]> Fri, 03 Aug 2007 22:10:21 +0000 Server: Parser http://bugs.mysql.com/26527 #26527: LOAD DATA INFILE extremely slow with partitioned table http://bugs.mysql.com/bug.php?id=26527 Submitted by: Guillaume Lefranc
Category: Server: Partition
Status: Closed
Severity: 5
OS: Linux (Ubuntu 6.10 x86_64/Windows)
Version: 5.1.14-log
]]> Wed, 21 Feb 2007 14:49:15 +0000 Server: Partition http://bugs.mysql.com/55506 #55506: Memory leak on partition_error.test http://bugs.mysql.com/bug.php?id=55506 Submitted by: Libing Song
Category: Server: Partition
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1
]]> Fri, 23 Jul 2010 11:45:26 +0000 Server: Partition http://bugs.mysql.com/84107 #84107: Severe slowdown on partitioned table with simple ORDER BY ASC change to DESC http://bugs.mysql.com/bug.php?id=84107 Submitted by: Atsushi Nakagawa
Category: Server: Partition
Status: Closed
Severity: 3
OS: Any
Version: 5.7.16
]]> Thu, 08 Dec 2016 11:15:28 +0000 Server: Partition http://bugs.mysql.com/83470 #83470: Reverse scan on a partitioned table does ICP check incorrectly, causing slowdown http://bugs.mysql.com/bug.php?id=83470 Submitted by: Sergey Petrunya
Category: Server: Partition
Status: Closed
Severity: 3
OS: Any
Version: 5.7.16-debug-log
]]> Thu, 20 Oct 2016 18:24:22 +0000 Server: Partition http://bugs.mysql.com/79145 #79145: Memory Leak in Ha_innopart_share::set_v_templ partitioned on virtual column http://bugs.mysql.com/bug.php?id=79145 Submitted by: Debarun Banerjee
Category: Server: Partition
Status: Closed
Severity: 3
OS: Any
Version: 5.7.10
]]> Fri, 06 Nov 2015 02:42:39 +0000 Server: Partition http://bugs.mysql.com/52455 #52455: Subpar INSERT ON DUPLICATE KEY UPDATE performance with many partitions http://bugs.mysql.com/bug.php?id=52455 Submitted by: Peter Zaitsev
Category: Server: Partition
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Tue, 30 Mar 2010 01:54:04 +0000 Server: Partition http://bugs.mysql.com/52517 #52517: Regression in ROW level replication performance with partitions http://bugs.mysql.com/bug.php?id=52517 Submitted by: Peter Zaitsev
Category: Server: Partition
Status: Closed
Severity: 3
OS: Any
Version: 5.1.45
]]> Thu, 01 Apr 2010 03:10:52 +0000 Server: Partition http://bugs.mysql.com/70001 #70001: Partitioned tables do not use ICP - severe performance loss after partitioning http://bugs.mysql.com/bug.php?id=70001 Submitted by: Justin Swanhart
Category: Server: Partition
Status: Closed
Severity: 1
OS: Any
Version: 5.6.13
]]> Mon, 12 Aug 2013 18:46:36 +0000 Server: Partition http://bugs.mysql.com/105204 #105204: ha_innopart traverse all partitions instead of only used partitions causing loss http://bugs.mysql.com/bug.php?id=105204 Submitted by: Hope Lee
Category: Server: Partition
Status: Verified
Severity: 3
OS: Any
Version: 8.0.26
]]> Wed, 13 Oct 2021 11:22:13 +0000 Server: Partition http://bugs.mysql.com/106039 #106039: Skip using priority queue and visiting unused partitions when single partition http://bugs.mysql.com/bug.php?id=106039 Submitted by: Chen Wang
Category: Server: Partition
Status: Verified
Severity: 5
OS: Any
Version: 8.0.27
]]> Wed, 05 Jan 2022 07:08:13 +0000 Server: Partition http://bugs.mysql.com/113750 #113750: stats of partitions could be empty after some kind of alter table DDL statements http://bugs.mysql.com/bug.php?id=113750 Submitted by: Brian Yue
Category: Server: Partition
Status: Verified
Severity: 2
OS: Any (rhel-7.4)
Version: 8.0.36
]]> Thu, 25 Jan 2024 06:50:38 +0000 Server: Partition http://bugs.mysql.com/37252 #37252: Partitioning performance drops drastically with hundreds of partitions http://bugs.mysql.com/bug.php?id=37252 Submitted by: Philip Stoev
Category: Server: Partition
Status: Closed
Severity: 3
OS: Any
Version: 5.1, 6.0
]]> Fri, 06 Jun 2008 19:56:14 +0000 Server: Partition http://bugs.mysql.com/44059 #44059: Incorrect cardinality of indexes on a partitioned table http://bugs.mysql.com/bug.php?id=44059 Submitted by: Maxim Kharlamov
Category: Server: Partition
Status: Closed
Severity: 5
OS: Linux (CentOS 5 kernel 2.6.18-53.el5 SMP x86_64)
Version: 5.1.32, 5.1.35-bzr
]]> Fri, 03 Apr 2009 02:26:11 +0000 Server: Partition http://bugs.mysql.com/48229 #48229: group by performance issue of partitioned table http://bugs.mysql.com/bug.php?id=48229 Submitted by: Hao Wu
Category: Server: Partition
Status: Closed
Severity: 5
OS: Linux (CentOS 4.4)
Version: 5.1.37,5.1.38
]]> Thu, 22 Oct 2009 13:22:03 +0000 Server: Partition http://bugs.mysql.com/105490 #105490: Empty loop brings loss to performance when pruning partitions for INSERT command http://bugs.mysql.com/bug.php?id=105490 Submitted by: Hope Lee
Category: Server: Partition
Status: Verified
Severity: 3
OS: Any
Version: 8.0.27
]]> Mon, 08 Nov 2021 11:28:36 +0000 Server: Partition http://bugs.mysql.com/56380 #56380: valgrind memory leak warning from partition tests http://bugs.mysql.com/bug.php?id=56380 Submitted by: Mark Callaghan
Category: Server: Partition
Status: Closed
Severity: 2
OS: Any
Version: 5.1.50
]]> Mon, 30 Aug 2010 18:07:56 +0000 Server: Partition http://bugs.mysql.com/35845 #35845: unneccesary call to ha_start_bulk_insert for not used partitions http://bugs.mysql.com/bug.php?id=35845 Submitted by: Mattias Jonsson
Category: Server: Partition
Status: Closed
Severity: 5
OS: Any
Version: 5.1.23
]]> Fri, 04 Apr 2008 20:08:54 +0000 Server: Partition http://bugs.mysql.com/67351 #67351: Cardinality samples of partitioned tables sometimes widely off http://bugs.mysql.com/bug.php?id=67351 Submitted by: Patrick van Bergen
Category: Server: Partition
Status: In progress
Severity: 2
OS: Linux
Version: 5.5.27-29.0
]]> Wed, 24 Oct 2012 08:02:07 +0000 Server: Partition http://bugs.mysql.com/72115 #72115: Very slow create/alter table with partitions and STATS_PERSISTENT=1 http://bugs.mysql.com/bug.php?id=72115 Submitted by: Jan Lindstrom
Category: Server: Partition
Status: Closed
Severity: 2
OS: Any
Version: 5.6.16
]]> Mon, 24 Mar 2014 19:29:22 +0000 Server: Partition http://bugs.mysql.com/17894 #17894: Comparison with "less than" operator fails with Range partition http://bugs.mysql.com/bug.php?id=17894 Submitted by: Giuseppe Maxia
Category: Server: Partition
Status: Closed
Severity: 1
OS: Linux (Linux, Windows)
Version: 5.1.7
]]> Fri, 03 Mar 2006 12:00:08 +0000 Server: Partition http://bugs.mysql.com/95502 #95502: Memory leak on memory/performance_schema/table_handles http://bugs.mysql.com/bug.php?id=95502 Submitted by: Young Chen
Category: Server: Performance Schema
Status: Closed
Severity: 2
OS: CentOS (CentOS release 6.5 (Final))
Version: 5.7.20-log
]]> Thu, 23 May 2019 16:47:06 +0000 Server: Performance Schema http://bugs.mysql.com/106939 #106939: TRUNCATE performance_schema.accounts causes duplicated counts in global_status http://bugs.mysql.com/bug.php?id=106939 Submitted by: yuxiang jiang
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.18
]]> Thu, 07 Apr 2022 02:51:06 +0000 Server: Performance Schema http://bugs.mysql.com/44016 #44016: performance_schema_enabled=0 at server startup has no effect http://bugs.mysql.com/bug.php?id=44016 Submitted by: Paul DuBois
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: mysql-6.0-perf
]]> Wed, 01 Apr 2009 17:14:19 +0000 Server: Performance Schema http://bugs.mysql.com/44190 #44190: Performance schema: nanosecond and ticks timers not implemented on windows http://bugs.mysql.com/bug.php?id=44190 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: mysql-6.0-perf
]]> Thu, 09 Apr 2009 15:17:36 +0000 Server: Performance Schema http://bugs.mysql.com/44210 #44210: Performance schema: pool-of-threads threads instrumentation is missing http://bugs.mysql.com/bug.php?id=44210 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 2
OS: Any
Version: mysql-6.0-perf
]]> Sat, 11 Apr 2009 02:04:16 +0000 Server: Performance Schema http://bugs.mysql.com/44710 #44710: assertion failure in mdl when server starts, related to performance schema http://bugs.mysql.com/bug.php?id=44710 Submitted by: Guilhem Bichot
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Linux
Version: 6.0-perfschema
]]> Thu, 07 May 2009 09:07:12 +0000 Server: Performance Schema http://bugs.mysql.com/45090 #45090: performance schema is enabled at startup http://bugs.mysql.com/bug.php?id=45090 Submitted by: Jørgen Austvik
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 6.0.12-alpha-log-perfschema
]]> Tue, 26 May 2009 07:58:20 +0000 Server: Performance Schema http://bugs.mysql.com/45510 #45510: Performance schema: STAT and FSTAT are not generating waits http://bugs.mysql.com/bug.php?id=45510 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: mysql-6.0-perfschema
]]> Mon, 15 Jun 2009 22:09:09 +0000 Server: Performance Schema http://bugs.mysql.com/45956 #45956: Performance schema: exotic mysqld startup, bad results http://bugs.mysql.com/bug.php?id=45956 Submitted by: Trudy Pelzer
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 6.0.12-alpha
]]> Mon, 06 Jul 2009 00:03:51 +0000 Server: Performance Schema http://bugs.mysql.com/48631 #48631: Performance schema: unit test failures http://bugs.mysql.com/bug.php?id=48631 Submitted by: Guilhem Bichot
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: mysql-trunk-perfschema
]]> Mon, 09 Nov 2009 09:26:14 +0000 Server: Performance Schema http://bugs.mysql.com/51295 #51295: Build warnings in mdl.cc http://bugs.mysql.com/bug.php?id=51295 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 2
OS: Any
Version: mysql-next-mr, 5.5.99-m3
]]> Thu, 18 Feb 2010 20:27:54 +0000 Server: Performance Schema http://bugs.mysql.com/51612 #51612: Un initialized locker_lost variable in pfs_instr.cc http://bugs.mysql.com/bug.php?id=51612 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: mysql-next-mr, 5.5.99-m3
]]> Mon, 01 Mar 2010 16:22:58 +0000 Server: Performance Schema http://bugs.mysql.com/52502 #52502: Performance schema does not start with large mutex_instance buffers http://bugs.mysql.com/bug.php?id=52502 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 1
OS: Any
Version: mysql-trunk (5.5.3)
]]> Wed, 31 Mar 2010 12:56:08 +0000 Server: Performance Schema http://bugs.mysql.com/53874 #53874: SETUP_INSTRUMENTS.TIMED='NO' should not change TIMER_WAIT in aggregations http://bugs.mysql.com/bug.php?id=53874 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.5.3-m3, 5.5.4-m3
]]> Fri, 21 May 2010 06:56:54 +0000 Server: Performance Schema http://bugs.mysql.com/56324 #56324: Race Condition while shutting down MySQL: "PSI_server" http://bugs.mysql.com/bug.php?id=56324 Submitted by: Alfranio Tavares Correia Junior
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: next-mr, next-mr-bugfixing
]]> Fri, 27 Aug 2010 11:06:51 +0000 Server: Performance Schema http://bugs.mysql.com/57106 #57106: Robustness of memcpy calls in the performance schema http://bugs.mysql.com/bug.php?id=57106 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6
]]> Wed, 29 Sep 2010 16:04:21 +0000 Server: Performance Schema http://bugs.mysql.com/59740 #59740: Performance schema test failures on freebsd http://bugs.mysql.com/bug.php?id=59740 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: FreeBSD
Version: 5.6
]]> Wed, 26 Jan 2011 14:07:27 +0000 Server: Performance Schema http://bugs.mysql.com/67098 #67098: performance schema shows stray temporray tables http://bugs.mysql.com/bug.php?id=67098 Submitted by: Sergei Golubchik
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.5, 5.7.0
]]> Fri, 05 Oct 2012 10:19:00 +0000 Server: Performance Schema http://bugs.mysql.com/68009 #68009: Floating point exception in "insert_events_waits_history_long" http://bugs.mysql.com/bug.php?id=68009 Submitted by: Tianyin Xu
Category: Server: Performance Schema
Status: Duplicate
Severity: 2
OS: Any
Version: 5.5.28, 5.5.29
]]> Wed, 02 Jan 2013 09:22:38 +0000 Server: Performance Schema http://bugs.mysql.com/68413 #68413: performance_schema overhead is at least 10% http://bugs.mysql.com/bug.php?id=68413 Submitted by: Mark Callaghan
Category: Server: Performance Schema
Status: Verified
Severity: 5
OS: Any
Version: 5.6.10, 5.6.13
]]> Mon, 18 Feb 2013 02:45:05 +0000 Server: Performance Schema http://bugs.mysql.com/70018 #70018: PFS Overhead on frequent connect/disconnect http://bugs.mysql.com/bug.php?id=70018 Submitted by: Dimitri KRAVTCHUK
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any
Version: 5.6 / 5.7
]]> Tue, 13 Aug 2013 19:42:55 +0000 Server: Performance Schema http://bugs.mysql.com/71298 #71298: "Waiting to get readlock" stage is not used in 5.6 any more http://bugs.mysql.com/bug.php?id=71298 Submitted by: Valeriy Kravchuk
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.15
]]> Sun, 05 Jan 2014 12:31:33 +0000 Server: Performance Schema http://bugs.mysql.com/71808 #71808: Remove the TICK timer in performance_schema http://bugs.mysql.com/bug.php?id=71808 Submitted by: Valeriy Kravchuk
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.5, 5.6, 5.7
]]> Sun, 23 Feb 2014 12:38:02 +0000 Server: Performance Schema http://bugs.mysql.com/74546 #74546: PERFORMANCE SCHEMA QUERY ON EVENTS_STATEMENTS_CURRENT WRONG WITH ORDER BY http://bugs.mysql.com/bug.php?id=74546 Submitted by: Mayank Prasad
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
]]> Fri, 24 Oct 2014 11:31:14 +0000 Server: Performance Schema http://bugs.mysql.com/75765 #75765: Performance Schema statement digest generation is broken with null values http://bugs.mysql.com/bug.php?id=75765 Submitted by: Joe Grasse
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.23
]]> Wed, 04 Feb 2015 15:17:48 +0000 Server: Performance Schema http://bugs.mysql.com/77620 #77620: No cycle timer implementation for AArch64 http://bugs.mysql.com/bug.php?id=77620 Submitted by: Alexey Kopytov
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.5, 5.6, 5.7
]]> Sun, 05 Jul 2015 15:29:12 +0000 Server: Performance Schema http://bugs.mysql.com/78068 #78068: replication_* tables miss information about binary log position and other http://bugs.mysql.com/bug.php?id=78068 Submitted by: Sveta Smirnova
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 5.7.8
]]> Fri, 14 Aug 2015 12:21:36 +0000 Server: Performance Schema http://bugs.mysql.com/79487 #79487: Provide non-Windows implementations for LF_BACKOFF http://bugs.mysql.com/bug.php?id=79487 Submitted by: Alexey Kopytov
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 5.6, 5.7
]]> Wed, 02 Dec 2015 06:21:29 +0000 Server: Performance Schema http://bugs.mysql.com/79934 #79934: i_perfschema.table_leak random result failure http://bugs.mysql.com/bug.php?id=79934 Submitted by: Magnus Blåudd
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.11
]]> Tue, 12 Jan 2016 10:48:52 +0000 Server: Performance Schema http://bugs.mysql.com/82663 #82663: mysqld hangs when accessing Performance Schema tables http://bugs.mysql.com/bug.php?id=82663 Submitted by: Roel Van de Paar
Category: Server: Performance Schema
Status: Verified
Severity: 1
OS: Any
Version: 5.7.13, 5.7.14
]]> Sat, 20 Aug 2016 05:12:08 +0000 Server: Performance Schema http://bugs.mysql.com/83912 #83912: Time spent sleeping before entering InnoDB is not measured/reported separately http://bugs.mysql.com/bug.php?id=83912 Submitted by: Valeriy Kravchuk
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 5.6, 5.7, 5.6.34
]]> Mon, 21 Nov 2016 15:28:57 +0000 Server: Performance Schema http://bugs.mysql.com/84457 #84457: Performance Schema 5.6.35 unittest pft-t failing http://bugs.mysql.com/bug.php?id=84457 Submitted by: Vicentiu Marian Ciorbaru
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Linux
Version: 5.6.35
]]> Tue, 10 Jan 2017 12:53:52 +0000 Server: Performance Schema http://bugs.mysql.com/84786 #84786: --performance-schema-digests-size=1 leads to SIGSEGV http://bugs.mysql.com/bug.php?id=84786 Submitted by: Roel Van de Paar
Category: Server: Performance Schema
Status: Closed
Severity: 1
OS: Any
Version: 5.7.17-11
]]> Thu, 02 Feb 2017 08:17:48 +0000 Server: Performance Schema http://bugs.mysql.com/92364 #92364: events_transactions_summary_global_by_event_name not working as expected http://bugs.mysql.com/bug.php?id=92364 Submitted by: Przemyslaw Malkowski
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.22, 8.0.12
]]> Tue, 11 Sep 2018 12:06:47 +0000 Server: Performance Schema http://bugs.mysql.com/93281 #93281: Odd memory load/increase when using --performance-schema-max-digest-length=large http://bugs.mysql.com/bug.php?id=93281 Submitted by: Roel Van de Paar
Category: Server: Performance Schema
Status: Closed
Severity: 1
OS: Any
Version: 8.0.12
]]> Thu, 22 Nov 2018 04:03:09 +0000 Server: Performance Schema http://bugs.mysql.com/94925 #94925: Wrong Query Sample Text in Performance Query http://bugs.mysql.com/bug.php?id=94925 Submitted by: Peter Zaitsev
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 8.0.15
]]> Sat, 06 Apr 2019 00:15:33 +0000 Server: Performance Schema http://bugs.mysql.com/98545 #98545: Perfschema tables are not collation aware http://bugs.mysql.com/bug.php?id=98545 Submitted by: Manuel Ung
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.19
]]> Mon, 10 Feb 2020 23:45:19 +0000 Server: Performance Schema http://bugs.mysql.com/99989 #99989: Inconsistency when joining Perf Schema schema tables when PK is larger than 48 c http://bugs.mysql.com/bug.php?id=99989 Submitted by: Trey Raymond
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.x, 8.0.20
]]> Fri, 26 Jun 2020 01:06:25 +0000 Server: Performance Schema http://bugs.mysql.com/100336 #100336: performance_schema.status_by_thread table not populating on Linux http://bugs.mysql.com/bug.php?id=100336 Submitted by: IGG t
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 5.7
]]> Mon, 27 Jul 2020 15:58:03 +0000 Server: Performance Schema http://bugs.mysql.com/100624 #100624: Total memory allocation for P_S is different in different sources http://bugs.mysql.com/bug.php?id=100624 Submitted by: Valeriy Kravchuk
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.30, 8.0.21, 5.7.31
]]> Mon, 24 Aug 2020 15:05:48 +0000 Server: Performance Schema http://bugs.mysql.com/100962 #100962: memory_summary_%_by_event_name Have different values http://bugs.mysql.com/bug.php?id=100962 Submitted by: hongyu dong
Category: Server: Performance Schema
Status: Analyzing
Severity: 3
OS: Any
Version: 5.7
]]> Sat, 26 Sep 2020 05:17:06 +0000 Server: Performance Schema http://bugs.mysql.com/101018 #101018: High contention on last_value in my_timer_microseconds http://bugs.mysql.com/bug.php?id=101018 Submitted by: Georgy Kirichenko
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any
Version: 8.0
]]> Thu, 01 Oct 2020 09:28:46 +0000 Server: Performance Schema http://bugs.mysql.com/104643 #104643: Defaults in performance schema tables incompatible with sql_mode http://bugs.mysql.com/bug.php?id=104643 Submitted by: Sveta Smirnova
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.26
]]> Tue, 17 Aug 2021 14:11:43 +0000 Server: Performance Schema http://bugs.mysql.com/108750 #108750: TABLE ACCESS SERVICE INDEX READ MAP ISSUES http://bugs.mysql.com/bug.php?id=108750 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.26
]]> Wed, 12 Oct 2022 10:08:05 +0000 Server: Performance Schema http://bugs.mysql.com/110555 #110555: Some performance schema tables return invalid rows http://bugs.mysql.com/bug.php?id=110555 Submitted by: Manuel Ung
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.32
]]> Wed, 29 Mar 2023 22:22:08 +0000 Server: Performance Schema http://bugs.mysql.com/111860 #111860: shutdown plugin core when init_events_waits_history_long failed http://bugs.mysql.com/bug.php?id=111860 Submitted by: Fan Lyu
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
]]> Mon, 24 Jul 2023 08:59:10 +0000 Server: Performance Schema http://bugs.mysql.com/112035 #112035: Materializing performance_schema.data_locks can lead to excessive mem usage/OOM http://bugs.mysql.com/bug.php?id=112035 Submitted by: Marc Reilly
Category: Server: Performance Schema
Status: Closed
Severity: 2
OS: Any
Version: 8.0.37, 8.4.0
]]> Thu, 10 Aug 2023 19:33:01 +0000 Server: Performance Schema http://bugs.mysql.com/113761 #113761: Access performance_schema.data_locks causes SQL execution stuck http://bugs.mysql.com/bug.php?id=113761 Submitted by: Brian Yue
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any (rhel-7.4)
Version: 8.0.36
]]> Thu, 25 Jan 2024 13:33:02 +0000 Server: Performance Schema http://bugs.mysql.com/114545 #114545: performance_schema.processlist tuncates query info http://bugs.mysql.com/bug.php?id=114545 Submitted by: Sveta Smirnova
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 8.0.35, 8.0.36
]]> Wed, 03 Apr 2024 17:26:55 +0000 Server: Performance Schema http://bugs.mysql.com/117176 #117176: The stages about DDL in PFS.events_stages_history_long are wrong http://bugs.mysql.com/bug.php?id=117176 Submitted by: George Ma
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 8.0.40
]]> Fri, 10 Jan 2025 06:20:39 +0000 Server: Performance Schema http://bugs.mysql.com/119766 #119766: Rows unexpectedly added in performance_schema for failed connections http://bugs.mysql.com/bug.php?id=119766 Submitted by: Aaron Newberg
Category: Server: Performance Schema
Status: Open
Severity: 2
OS: Any
Version: 8.0.44
]]> Fri, 23 Jan 2026 19:18:09 +0000 Server: Performance Schema http://bugs.mysql.com/112621 #112621: Performance degradation from 8.0.30 onwards related to performance_schema http://bugs.mysql.com/bug.php?id=112621 Submitted by: Marc Reilly
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any
Version: 8.0.34
]]> Wed, 04 Oct 2023 16:39:42 +0000 Server: Performance Schema http://bugs.mysql.com/78975 #78975: SYSSCHEMA.PR_STATEMENT_PERFORMANCE_ANALYZER TEST still FAILING ON PB2 ON WINDOWS http://bugs.mysql.com/bug.php?id=78975 Submitted by: Horst Hunger
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.0-m17
]]> Tue, 27 Oct 2015 08:02:59 +0000 Server: Performance Schema http://bugs.mysql.com/78303 #78303: Add some DNS latency timings to performance_schema (host_cache?) http://bugs.mysql.com/bug.php?id=78303 Submitted by: Simon Mudd
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 5.7
]]> Wed, 02 Sep 2015 10:02:37 +0000 Server: Performance Schema http://bugs.mysql.com/89379 #89379: summary_by_user tables get extremely slow with many users. http://bugs.mysql.com/bug.php?id=89379 Submitted by: Daniël van Eeden
Category: Server: Performance Schema
Status: Verified
Severity: 5
OS: Any
Version: 5.7.20, 5.7.21
]]> Wed, 24 Jan 2018 11:41:09 +0000 Server: Performance Schema http://bugs.mysql.com/52134 #52134: performance schema file io, symlink in path http://bugs.mysql.com/bug.php?id=52134 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: mysql-next-mr, 5.6.99-m3
]]> Wed, 17 Mar 2010 11:08:57 +0000 Server: Performance Schema http://bugs.mysql.com/69727 #69727: --performance_schema_instrument value quoting is problematic http://bugs.mysql.com/bug.php?id=69727 Submitted by: Todd Farmer
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Windows
Version: 5.6.11
]]> Thu, 11 Jul 2013 18:41:48 +0000 Server: Performance Schema http://bugs.mysql.com/77863 #77863: slowdown caused by memset in sql_digest_storage.reset() http://bugs.mysql.com/bug.php?id=77863 Submitted by: Domas Mituzas
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any
Version: 5.6.26
]]> Tue, 28 Jul 2015 19:00:43 +0000 Server: Performance Schema http://bugs.mysql.com/51447 #51447: performance schema evil twin files http://bugs.mysql.com/bug.php?id=51447 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 2
OS: Any
Version: mysql-5.5.99 (Celosia)
]]> Wed, 24 Feb 2010 07:08:10 +0000 Server: Performance Schema http://bugs.mysql.com/112959 #112959: Wrong rows examined in P_S and slow log for Index Merge. http://bugs.mysql.com/bug.php?id=112959 Submitted by: Jean-François Gagné
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Fri, 03 Nov 2023 17:53:25 +0000 Server: Performance Schema http://bugs.mysql.com/53696 #53696: Performance schema engine violates the PSEA API by calling my_error() http://bugs.mysql.com/bug.php?id=53696 Submitted by: Konstantin Osipov
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.99
]]> Mon, 17 May 2010 11:07:56 +0000 Server: Performance Schema http://bugs.mysql.com/70577 #70577: Read/Write mutexes on Binlog delegate classes are not counted on perf schema http://bugs.mysql.com/bug.php?id=70577 Submitted by: Yoshinori Matsunobu
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.14
]]> Wed, 09 Oct 2013 21:47:40 +0000 Server: Performance Schema http://bugs.mysql.com/77577 #77577: setup_timers initialization assumes CYCLE timer is always available http://bugs.mysql.com/bug.php?id=77577 Submitted by: Alexey Kopytov
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.5, 5.6, 5.7
]]> Wed, 01 Jul 2015 10:51:04 +0000 Server: Performance Schema http://bugs.mysql.com/77944 #77944: performance_schema_instrument='%=OFF', not disable all instruments http://bugs.mysql.com/bug.php?id=77944 Submitted by: Hiroyuki Itoh
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Linux
Version: 5.7.8-rc, 5.7.9
]]> Wed, 05 Aug 2015 07:11:39 +0000 Server: Performance Schema http://bugs.mysql.com/80780 #80780: Add Performance Schema / sys Schema Memory Monitoring Example http://bugs.mysql.com/bug.php?id=80780 Submitted by: Daniel Price
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7
]]> Thu, 17 Mar 2016 11:55:10 +0000 Server: Performance Schema http://bugs.mysql.com/101391 #101391: Performance Schema storage engine doesn't use index optimizations on group by http://bugs.mysql.com/bug.php?id=101391 Submitted by: Agustín G
Category: Server: Performance Schema
Status: Verified
Severity: 5
OS: Any
Version: 8.0, 8.0.22
]]> Fri, 30 Oct 2020 03:04:01 +0000 Server: Performance Schema http://bugs.mysql.com/120597 #120597: performance_schema atomic values maintaining CPU cache-friendliness http://bugs.mysql.com/bug.php?id=120597 Submitted by: Alex Zimnitski
Category: Server: Performance Schema
Status: Open
Severity: 5
OS: Linux
Version: 8.0.46, 8.4.9
]]> Tue, 02 Jun 2026 06:58:32 +0000 Server: Performance Schema http://bugs.mysql.com/114300 #114300: The "fake index" of performance_schema.data_lock_waits causes slow sql http://bugs.mysql.com/bug.php?id=114300 Submitted by: Jingqi Tian
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 8.0
]]> Mon, 11 Mar 2024 13:45:01 +0000 Server: Performance Schema http://bugs.mysql.com/69382 #69382: Performance schema, degradation under stress when internal buffers are full http://bugs.mysql.com/bug.php?id=69382 Submitted by: Takashi Ichii
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.11
]]> Sun, 02 Jun 2013 19:42:03 +0000 Server: Performance Schema http://bugs.mysql.com/54782 #54782: Performance schema per thread accounting and thread cache http://bugs.mysql.com/bug.php?id=54782 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.5.3-m3, 5.5.4-m3
]]> Thu, 24 Jun 2010 15:31:41 +0000 Server: Performance Schema http://bugs.mysql.com/55087 #55087: Performance schema: optimization of the instrumentation interface http://bugs.mysql.com/bug.php?id=55087 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any
]]> Thu, 08 Jul 2010 15:38:27 +0000 Server: Performance Schema http://bugs.mysql.com/55416 #55416: Renaming of performance_schema tables in 5.5 http://bugs.mysql.com/bug.php?id=55416 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 1
OS: Any
]]> Tue, 20 Jul 2010 21:17:16 +0000 Server: Performance Schema http://bugs.mysql.com/55462 #55462: Performance schema: reduce the overhead of PFS_events_waits::m_wait_class http://bugs.mysql.com/bug.php?id=55462 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 5
OS: Any
Version: 5.5.3-m3
]]> Wed, 21 Jul 2010 23:22:28 +0000 Server: Performance Schema http://bugs.mysql.com/56475 #56475: Missing thread states in performance_schema.THREADS / SHOW PROFILE http://bugs.mysql.com/bug.php?id=56475 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6
]]> Wed, 01 Sep 2010 23:17:52 +0000 Server: Performance Schema http://bugs.mysql.com/59799 #59799: handler statistics for the performance schema engine http://bugs.mysql.com/bug.php?id=59799 Submitted by: Marc ALFF
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.5.6
]]> Fri, 28 Jan 2011 18:00:30 +0000 Server: Performance Schema http://bugs.mysql.com/70028 #70028: P_S threads.INSTRUMENTED not set according to setup_actors http://bugs.mysql.com/bug.php?id=70028 Submitted by: Jesper wisborg Krogh
Category: Server: Performance Schema
Status: Closed
Severity: 2
OS: Linux (Oracle Linux 6)
Version: 5.6.13
]]> Wed, 14 Aug 2013 08:08:52 +0000 Server: Performance Schema http://bugs.mysql.com/71278 #71278: NUMBER OF ROWS IN PERFORMANCE SCHEMA TABLES http://bugs.mysql.com/bug.php?id=71278 Submitted by: Valeriy Kravchuk
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6
]]> Thu, 02 Jan 2014 17:22:00 +0000 Server: Performance Schema http://bugs.mysql.com/73112 #73112: Performance Schema - Statement Tables - Stored Procedures Counters are 0 http://bugs.mysql.com/bug.php?id=73112 Submitted by: Kenny Gryp
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Linux
Version: 5.6.16, 5.6.17, 5.6.20
]]> Wed, 25 Jun 2014 11:47:17 +0000 Server: Performance Schema http://bugs.mysql.com/76305 #76305: Com_stmt_reprepare missing in Performance Schema implementation of SHOW STATUS http://bugs.mysql.com/bug.php?id=76305 Submitted by: Jesper wisborg Krogh
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.6
]]> Fri, 13 Mar 2015 00:13:52 +0000 Server: Performance Schema http://bugs.mysql.com/76562 #76562: Several performance schema unit tests fails http://bugs.mysql.com/bug.php?id=76562 Submitted by: Mauritz Sundell
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.8
]]> Wed, 01 Apr 2015 15:11:45 +0000 Server: Performance Schema http://bugs.mysql.com/78315 #78315: Default value of two options in perf schema is not updated in 5.7 http://bugs.mysql.com/bug.php?id=78315 Submitted by: Rahul Sisondia
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.9
]]> Thu, 03 Sep 2015 10:15:35 +0000 Server: Performance Schema http://bugs.mysql.com/79784 #79784: update setup_instruments do not affect the global mutex/rwlock/cond http://bugs.mysql.com/bug.php?id=79784 Submitted by: zhang yingqiang
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.6.24 5.7.10
]]> Mon, 28 Dec 2015 06:50:26 +0000 Server: Performance Schema http://bugs.mysql.com/92532 #92532: Contribution by Facebook: Performance schema for Query attributes http://bugs.mysql.com/bug.php?id=92532 Submitted by: FBContrib Admin
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.11
]]> Fri, 21 Sep 2018 16:26:31 +0000 Server: Performance Schema http://bugs.mysql.com/97600 #97600: Perfschema socket stats are not captured for SSL connections http://bugs.mysql.com/bug.php?id=97600 Submitted by: Herman Lee
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.17
]]> Tue, 12 Nov 2019 20:05:51 +0000 Server: Performance Schema http://bugs.mysql.com/100432 #100432: Optimal memory-barrier for performance-schema counter http://bugs.mysql.com/bug.php?id=100432 Submitted by: Krunal Bauskar
Category: Server: Performance Schema
Status: Verified
Severity: 5
OS: Any
Version: 8.0.21
]]> Wed, 05 Aug 2020 07:55:26 +0000 Server: Performance Schema http://bugs.mysql.com/101764 #101764: Contribution by Facebook: Add CPU time to statement metrics http://bugs.mysql.com/bug.php?id=101764 Submitted by: FBContrib Admin
Category: Server: Performance Schema
Status: Closed
Severity: 3
OS: Any
Version: 8.0.20
]]> Thu, 26 Nov 2020 00:38:43 +0000 Server: Performance Schema http://bugs.mysql.com/108533 #108533: NULL query text in performance schema after thread killed http://bugs.mysql.com/bug.php?id=108533 Submitted by: Thomas Countz
Category: Server: Performance Schema
Status: Verified
Severity: 3
OS: Any
Version: 8.0, 8.0.30
]]> Mon, 19 Sep 2022 12:04:47 +0000 Server: Performance Schema http://bugs.mysql.com/114056 #114056: Performance degredation using REGEXP in statement with parameters vs query http://bugs.mysql.com/bug.php?id=114056 Submitted by: Aaron Murray
Category: Server: PS
Status: Closed
Severity: 5
OS: Any
Version: 8.0.32, 8.0.22+
]]> Mon, 19 Feb 2024 23:03:28 +0000 Server: PS http://bugs.mysql.com/38626 #38626: memory leak with materialized cursor and prepared statement http://bugs.mysql.com/bug.php?id=38626 Submitted by: Shane Bester
Category: Server: PS
Status: Duplicate
Severity: 3
OS: Any
Version: 5.0.66a
]]> Thu, 07 Aug 2008 11:28:04 +0000 Server: PS http://bugs.mysql.com/111310 #111310: Prepared statement with CTE memory leak http://bugs.mysql.com/bug.php?id=111310 Submitted by: Pedro Ferreira
Category: Server: PS
Status: Verified
Severity: 3
OS: Ubuntu (22.04)
Version: 8.0.33
]]> Wed, 07 Jun 2023 06:51:48 +0000 Server: PS http://bugs.mysql.com/73056 #73056: Prepared Statements ABSURDLY SLOW due to inefficient query creation for logging http://bugs.mysql.com/bug.php?id=73056 Submitted by: Seth Willits
Category: Server: PS
Status: Closed
Severity: 5
OS: Any
Version: 5.7, 5.7.8
]]> Thu, 19 Jun 2014 21:34:02 +0000 Server: PS http://bugs.mysql.com/67676 #67676: prepared statement is very slow while binlog was enabled http://bugs.mysql.com/bug.php?id=67676 Submitted by: zhai weixiang
Category: Server: PS
Status: Closed
Severity: 2
OS: Any
Version: 5.6.7
]]> Thu, 22 Nov 2012 06:37:15 +0000 Server: PS http://bugs.mysql.com/29687 #29687: mysql_stmt_store_result memory leak in libmysqld http://bugs.mysql.com/bug.php?id=29687 Submitted by: Shane Bester
Category: Server: PS
Status: Closed
Severity: 1
OS: Any
Version: 5.1.17, 5.1.20
]]> Tue, 10 Jul 2007 10:09:25 +0000 Server: PS http://bugs.mysql.com/62117 #62117: Large Batch Update causes apparent large memory leaks and crashes server http://bugs.mysql.com/bug.php?id=62117 Submitted by: Greg Kemnitz
Category: Server: PS
Status: Duplicate
Severity: 2
OS: Solaris
Version: 5.1.58-enterprise
]]> Mon, 08 Aug 2011 19:53:44 +0000 Server: PS http://bugs.mysql.com/60801 #60801: Select Query is too much slow and taking upto 23 seconds to complete http://bugs.mysql.com/bug.php?id=60801 Submitted by: Devang Modi
Category: Server: Query Cache
Status: Closed
Severity: 2
OS: Linux (Red Hat Enterprise Linux Server release 5.3 )
Version: mysql Ver 14.12 Distrib 5.0.45
]]> Fri, 08 Apr 2011 03:51:45 +0000 Server: Query Cache http://bugs.mysql.com/47529 #47529: query cache performance is bad on multi-core servers http://bugs.mysql.com/bug.php?id=47529 Submitted by: Mark Callaghan
Category: Server: Query Cache
Status: Duplicate
Severity: 5
OS: Any
Version: 5.1.38, 5.1.39
]]> Tue, 22 Sep 2009 22:15:00 +0000 Server: Query Cache http://bugs.mysql.com/38551 #38551: RBR/MBR + Query Cache + "invalidating query cache entries (table)" => slow slave http://bugs.mysql.com/bug.php?id=38551 Submitted by: Neel Nadgir
Category: Server: Query Cache
Status: Closed
Severity: 5
OS: Any
Version: 5.1, 6.0
]]> Mon, 04 Aug 2008 22:08:50 +0000 Server: Query Cache http://bugs.mysql.com/64924 #64924: Cacheing long SELECT statement does too many prunes http://bugs.mysql.com/bug.php?id=64924 Submitted by: Cedric Knight
Category: Server: Query Cache
Status: Duplicate
Severity: 3
OS: Linux (2.6.32-5-amd64 #1 SMP)
Version: 5.1.61
]]> Tue, 10 Apr 2012 09:03:20 +0000 Server: Query Cache http://bugs.mysql.com/38207 #38207: Row-based Replication (RBR) is CPU bound (invalidating query cache) http://bugs.mysql.com/bug.php?id=38207 Submitted by: Eric Jensen
Category: Server: RBR
Status: Duplicate
Severity: 5
OS: Linux (x86_64)
Version: 5.1.25
]]> Thu, 17 Jul 2008 16:56:18 +0000 Server: RBR http://bugs.mysql.com/82003 #82003: Rows event are decoded one byte at a time http://bugs.mysql.com/bug.php?id=82003 Submitted by: Davi Arnaut
Category: Server: RBR
Status: Closed
Severity: 3
OS: Any
Version: 5.7.13
]]> Sat, 25 Jun 2016 16:15:18 +0000 Server: RBR http://bugs.mysql.com/39106 #39106: SUPER is not required to change binlog format for session http://bugs.mysql.com/bug.php?id=39106 Submitted by: Lars Thalmann
Category: Server: RBR
Status: Closed
Severity: 3
OS: Any
Version: 5.1
]]> Thu, 28 Aug 2008 20:09:42 +0000 Server: RBR http://bugs.mysql.com/104546 #104546: MySQL 8.0.26 single thread replication performance is slower than MySQL 5.7.35. http://bugs.mysql.com/bug.php?id=104546 Submitted by: Takanori Sejima
Category: Server: RBR
Status: Verified
Severity: 5
OS: Ubuntu (18.04.5 LTS)
Version: 8.0.26
]]> Thu, 05 Aug 2021 09:50:48 +0000 Server: RBR http://bugs.mysql.com/113251 #113251: the slow log in slave is logged ,when binlog_format is row http://bugs.mysql.com/bug.php?id=113251 Submitted by: bin wang
Category: Server: RBR
Status: Verified
Severity: 3
OS: Any
Version: MySQL8.0
]]> Tue, 28 Nov 2023 11:54:24 +0000 Server: RBR http://bugs.mysql.com/20198 #20198: RBR injector is too slow http://bugs.mysql.com/bug.php?id=20198 Submitted by: Lars Thalmann
Category: Server: RBR
Status: Duplicate
Severity: 3
Version: 5.1 source
]]> Thu, 01 Jun 2006 12:39:16 +0000 Server: RBR http://bugs.mysql.com/35843 #35843: Slow replication slave when using partitioned myisam table http://bugs.mysql.com/bug.php?id=35843 Submitted by: Mattias Jonsson
Category: Server: RBR
Status: Closed
Severity: 3
OS: Any
Version: 5.1.23
]]> Fri, 04 Apr 2008 19:56:09 +0000 Server: RBR http://bugs.mysql.com/46554 #46554: RBR: pending rows event can be flushed too soon sometimes. http://bugs.mysql.com/bug.php?id=46554 Submitted by: Alfranio Tavares Correia Junior
Category: Server: RBR
Status: Closed
Severity: 3
OS: Any
Version: 6.0-codebase, mysql-next-mr-wl5092
]]> Tue, 04 Aug 2009 19:50:43 +0000 Server: RBR http://bugs.mysql.com/81500 #81500: dead branch in search_key_in_table() http://bugs.mysql.com/bug.php?id=81500 Submitted by: Andrei Elkin
Category: Server: RBR
Status: Closed
Severity: 3
OS: Any
Version: 5.7+
]]> Thu, 19 May 2016 09:10:05 +0000 Server: RBR http://bugs.mysql.com/73648 #73648: innodb table replication is very slow with some of the partioned table http://bugs.mysql.com/bug.php?id=73648 Submitted by: chandra nanjegowda
Category: Server: RBR
Status: Verified
Severity: 2
OS: Linux
Version: Server version: 5.6.16-log MySQL Communi, 5.6.39
]]> Tue, 19 Aug 2014 22:10:58 +0000 Server: RBR http://bugs.mysql.com/99140 #99140: 8.0 single thread applying performance regression of update_non_index http://bugs.mysql.com/bug.php?id=99140 Submitted by: zkong kong
Category: Server: RBR
Status: Duplicate
Severity: 3
OS: CentOS
Version: 8.0.19
]]> Wed, 01 Apr 2020 06:53:36 +0000 Server: RBR http://bugs.mysql.com/27492 #27492: Replication queries are not logged in slow query log http://bugs.mysql.com/bug.php?id=27492 Submitted by: Peter Zaitsev
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.0.40-BK, 5.0.37
]]> Wed, 28 Mar 2007 09:05:00 +0000 Server: Replication http://bugs.mysql.com/34582 #34582: FLUSH LOGS does not close and reopen the binlog index file http://bugs.mysql.com/bug.php?id=34582 Submitted by: Kristian Koehntopp
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.0.46-enterprise-gpl-log
]]> Fri, 15 Feb 2008 10:35:01 +0000 Server: Replication http://bugs.mysql.com/45014 #45014: log-slow-slave-statements does not work in in 5.1.34 http://bugs.mysql.com/bug.php?id=45014 Submitted by: Aleksandr Kuzminsky
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1.34-log
]]> Thu, 21 May 2009 17:57:56 +0000 Server: Replication http://bugs.mysql.com/45136 #45136: log-slow-slave-statements doesn't work in 5.1.34 http://bugs.mysql.com/bug.php?id=45136 Submitted by: Aleksandr Kuzminsky
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1.34-log
]]> Wed, 27 May 2009 15:18:52 +0000 Server: Replication http://bugs.mysql.com/50620 #50620: Adding an index to a table prevents slave from logging into slow log http://bugs.mysql.com/bug.php?id=50620 Submitted by: Luis Soares
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.5.99, next-mr, 5.1
]]> Tue, 26 Jan 2010 11:36:19 +0000 Server: Replication http://bugs.mysql.com/57899 #57899: Certain reserved words should not be reserved http://bugs.mysql.com/bug.php?id=57899 Submitted by: Peter Gulutzan
Category: Server: Replication
Status: Closed
Severity: 3
OS: Linux (SUSE 11 64-bit)
Version: 5.5
]]> Mon, 01 Nov 2010 15:46:36 +0000 Server: Replication http://bugs.mysql.com/40337 #40337: Fsyncing master and relay log to disk after every event is too slow http://bugs.mysql.com/bug.php?id=40337 Submitted by: Alfranio Tavares Correia Junior
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 5.0, 5.1, 6.0
]]> Mon, 27 Oct 2008 03:05:21 +0000 Server: Replication http://bugs.mysql.com/77778 #77778: tuning the log_lock contention for IO_THREAD and SQL_THREAD in rpl_slave.cc http://bugs.mysql.com/bug.php?id=77778 Submitted by: Fangxin Flou
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.6.25
]]> Sun, 19 Jul 2015 05:57:23 +0000 Server: Replication http://bugs.mysql.com/23335 #23335: InnoDB hangs if BLOBS and BINLOG are used during new performance test http://bugs.mysql.com/bug.php?id=23335 Submitted by: Jonathan Miller
Category: Server: Replication
Status: Closed
Severity: 2
OS: Linux (Linux 32 Bit)
Version: 5.1.12
]]> Mon, 16 Oct 2006 14:16:02 +0000 Server: Replication http://bugs.mysql.com/80651 #80651: larget rpl_semi_sync_master_timeout will affect performance http://bugs.mysql.com/bug.php?id=80651 Submitted by: huajun chen
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.5 5.6
]]> Tue, 08 Mar 2016 03:45:51 +0000 Server: Replication http://bugs.mysql.com/96985 #96985: MySQL group replication pipeline memory reuse http://bugs.mysql.com/bug.php?id=96985 Submitted by: lieyia --
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 5.7.22;8.0.11
]]> Tue, 24 Sep 2019 07:17:52 +0000 Server: Replication http://bugs.mysql.com/98070 #98070: Optimize write performance when group commit http://bugs.mysql.com/bug.php?id=98070 Submitted by: Zhao Jianwei
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 8.0.18
]]> Wed, 25 Dec 2019 12:33:49 +0000 Server: Replication http://bugs.mysql.com/101717 #101717: Poor performance on a GTID slave when log_slave_updates is disabled http://bugs.mysql.com/bug.php?id=101717 Submitted by: Venkatesh Prasad Venugopal
Category: Server: Replication
Status: Verified
Severity: 2
OS: Any
Version: 8.0, 8.0.22
]]> Mon, 23 Nov 2020 12:03:56 +0000 Server: Replication http://bugs.mysql.com/113564 #113564: write-only mode performance decreases by 15% in heavy workload http://bugs.mysql.com/bug.php?id=113564 Submitted by: holmer deng
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any (>= glibc 2.25 )
Version: 8.0
]]> Fri, 05 Jan 2024 10:49:23 +0000 Server: Replication http://bugs.mysql.com/15132 #15132: RBR: memory leak when updating large rows http://bugs.mysql.com/bug.php?id=15132 Submitted by: Guilhem Bichot
Category: Server: Replication
Status: Closed
Severity: 3
OS: Linux (linux)
Version: 5.0-wl1012
]]> Tue, 22 Nov 2005 12:55:49 +0000 Server: Replication http://bugs.mysql.com/16175 #16175: memory leak in rpl_trigger.test http://bugs.mysql.com/bug.php?id=16175 Submitted by: Sergei Golubchik
Category: Server: Replication
Status: Closed
Severity: 3
Version: 5.0
]]> Wed, 04 Jan 2006 07:43:34 +0000 Server: Replication http://bugs.mysql.com/119270 #119270: Single-statement transactions can cause latency spikes on the replica http://bugs.mysql.com/bug.php?id=119270 Submitted by: karry zhang
Category: Server: Replication
Status: Open
Severity: 3
OS: Any
Version: MySQL8.0,5.7
]]> Thu, 30 Oct 2025 09:12:34 +0000 Server: Replication http://bugs.mysql.com/81330 #81330: circular semisync replication fails on msr (and slow without msr) http://bugs.mysql.com/bug.php?id=81330 Submitted by: Trey Raymond
Category: Server: Replication
Status: Verified
Severity: 2
OS: Any
Version: 5.6.29, 5.7.17, 8.0.16
]]> Thu, 05 May 2016 19:41:31 +0000 Server: Replication http://bugs.mysql.com/85251 #85251: Memory leak in master-master GTID replication with sync_relay_log_info http://bugs.mysql.com/bug.php?id=85251 Submitted by: Przemyslaw Malkowski
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.7.17, 8.0.0
]]> Wed, 01 Mar 2017 13:16:41 +0000 Server: Replication http://bugs.mysql.com/115203 #115203: Empty "use ;" on replica in slow query log file. http://bugs.mysql.com/bug.php?id=115203 Submitted by: Jean-François Gagné
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 8.4.0, 8.0.37
]]> Mon, 03 Jun 2024 17:34:04 +0000 Server: Replication http://bugs.mysql.com/67983 #67983: Memory leak on filtered slave http://bugs.mysql.com/bug.php?id=67983 Submitted by: Sergei Glushchenko
Category: Server: Replication
Status: Closed
Severity: 1
OS: Any
Version: 5.5.25a
]]> Fri, 28 Dec 2012 16:39:42 +0000 Server: Replication http://bugs.mysql.com/9141 #9141: 4.1 does not log into slow log ALTER, OPTIMIZE and ANALYZE statements http://bugs.mysql.com/bug.php?id=9141 Submitted by: Alexander Keremidarski
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any (any)
Version: 4.1.10
]]> Sat, 12 Mar 2005 09:11:29 +0000 Server: Replication http://bugs.mysql.com/109290 #109290: WRITESET causing performance issue for replication on a replica http://bugs.mysql.com/bug.php?id=109290 Submitted by: Charles Thompson
Category: Server: Replication
Status: Verified
Severity: 5
OS: Ubuntu
Version: 5.7.39
]]> Tue, 06 Dec 2022 08:28:27 +0000 Server: Replication http://bugs.mysql.com/114361 #114361: Unaligned Delegate's lock reduces performance http://bugs.mysql.com/bug.php?id=114361 Submitted by: Xizhe Zhang
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 8.0
]]> Fri, 15 Mar 2024 01:53:03 +0000 Server: Replication http://bugs.mysql.com/26489 #26489: Corruption in relay logs http://bugs.mysql.com/bug.php?id=26489 Submitted by: Daniel Fiske
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any (Linux, Win32)
Version: 5.0.27 & 5.0.37, 5.1.22
]]> Tue, 20 Feb 2007 06:14:10 +0000 Server: Replication http://bugs.mysql.com/71197 #71197: mysql slave sql thread memory leak http://bugs.mysql.com/bug.php?id=71197 Submitted by: qinglin zhang
Category: Server: Replication
Status: Closed
Severity: 2
OS: Linux
Version: 5.6.15, 5.6.14, 5.6.13, 5.6.16, 5.7.3
]]> Sat, 21 Dec 2013 08:48:30 +0000 Server: Replication http://bugs.mysql.com/71425 #71425: MySQL 5.6 memory leak http://bugs.mysql.com/bug.php?id=71425 Submitted by: Bingxi Wu
Category: Server: Replication
Status: Duplicate
Severity: 1
OS: Any
Version: 5.6
]]> Mon, 20 Jan 2014 14:46:23 +0000 Server: Replication http://bugs.mysql.com/85371 #85371: Memory leak in multi-source replication when binlog_rows_query_log_events=1 http://bugs.mysql.com/bug.php?id=85371 Submitted by: Przemyslaw Malkowski
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.7.17
]]> Wed, 08 Mar 2017 10:46:56 +0000 Server: Replication http://bugs.mysql.com/87008 #87008: Becuse using "xa commit one phase" in master DB, slave have memory leak http://bugs.mysql.com/bug.php?id=87008 Submitted by: sunghun kim
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.7.18
]]> Tue, 11 Jul 2017 09:23:32 +0000 Server: Replication http://bugs.mysql.com/89596 #89596: __tls_get_addr leak on Ubuntu 17.10 http://bugs.mysql.com/bug.php?id=89596 Submitted by: Laurynas Biveinis
Category: Server: Replication
Status: Verified
Severity: 3
OS: Ubuntu (17.10)
Version: 8.0.4
]]> Fri, 09 Feb 2018 04:17:53 +0000 Server: Replication http://bugs.mysql.com/73018 #73018: improve performance when binlog_order_commits=0 and sync_binlog >1 http://bugs.mysql.com/bug.php?id=73018 Submitted by: zhai weixiang
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 5.6
]]> Tue, 17 Jun 2014 03:20:36 +0000 Server: Replication http://bugs.mysql.com/83270 #83270: Performance degradation when the server has many gtids http://bugs.mysql.com/bug.php?id=83270 Submitted by: Daniël van Eeden
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 5.7.15
]]> Wed, 05 Oct 2016 14:13:59 +0000 Server: Replication http://bugs.mysql.com/106116 #106116: binlog rotation impact performance http://bugs.mysql.com/bug.php?id=106116 Submitted by: Song Libing
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 8.0
]]> Sat, 08 Jan 2022 15:54:39 +0000 Server: Replication http://bugs.mysql.com/81630 #81630: MySQL 5.7 is 37-45% slower then 5.6 when using binlogging due to defaults change http://bugs.mysql.com/bug.php?id=81630 Submitted by: Roel Van de Paar
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 5.7.12
]]> Sat, 28 May 2016 05:46:18 +0000 Server: Replication http://bugs.mysql.com/81694 #81694: CHANNEL SERVICE INTERFACE HAS NO FUNCTION TO GET RETRIEVED GTID SET http://bugs.mysql.com/bug.php?id=81694 Submitted by: João Gramacho
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
]]> Thu, 02 Jun 2016 16:42:02 +0000 Server: Replication http://bugs.mysql.com/85352 #85352: Replication regression with RBR and partitioned tables http://bugs.mysql.com/bug.php?id=85352 Submitted by: Juan Arruti
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 5.6, 5.7, 5.6.35
]]> Wed, 08 Mar 2017 00:44:30 +0000 Server: Replication http://bugs.mysql.com/92964 #92964: Slave performance degrades over time http://bugs.mysql.com/bug.php?id=92964 Submitted by: Grzegorz Rojek
Category: Server: Replication
Status: Closed
Severity: 5
OS: Debian (8.0, 9.0)
Version: 5.7.23
]]> Fri, 26 Oct 2018 11:57:12 +0000 Server: Replication http://bugs.mysql.com/107991 #107991: Clone_persist_gtid causes memory leak http://bugs.mysql.com/bug.php?id=107991 Submitted by: Baolin Huang
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 8.0.25
]]> Wed, 27 Jul 2022 02:02:24 +0000 Server: Replication http://bugs.mysql.com/23300 #23300: Slow query log on slave does not log slow replicated statements http://bugs.mysql.com/bug.php?id=23300 Submitted by: Morgan Tocker
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any (*)
Version: 4.1+
]]> Sun, 15 Oct 2006 06:00:15 +0000 Server: Replication http://bugs.mysql.com/48542 #48542: Implicit drops on temporary tables aren't always replicated to slaves http://bugs.mysql.com/bug.php?id=48542 Submitted by: Dmitriy Pinchukov
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.1.39, 5.1.40, 5.1.41
]]> Wed, 04 Nov 2009 18:43:43 +0000 Server: Replication http://bugs.mysql.com/48993 #48993: valgrind errors in mysqlbinlog http://bugs.mysql.com/bug.php?id=48993 Submitted by: Shane Bester
Category: Server: Replication
Status: Closed
Severity: 3
OS: Linux (32-bit, Mac OS X)
Version: 5.1.41, 5.1.44-bzr,mysql-5.5.99-m3
]]> Mon, 23 Nov 2009 13:27:12 +0000 Server: Replication http://bugs.mysql.com/56649 #56649: Valgrind warnings for memory leak in semisync plugin (Delegate class) http://bugs.mysql.com/bug.php?id=56649 Submitted by: Sven Sandberg
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: trunk, 5.6
]]> Wed, 08 Sep 2010 13:56:06 +0000 Server: Replication http://bugs.mysql.com/56650 #56650: Valgrind warnings for memory leak in semisync plugin (MYSQL object not freed) http://bugs.mysql.com/bug.php?id=56650 Submitted by: Sven Sandberg
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: trunk, 5.6
]]> Wed, 08 Sep 2010 13:56:10 +0000 Server: Replication http://bugs.mysql.com/72885 #72885: MySQL 5.6 memory leak http://bugs.mysql.com/bug.php?id=72885 Submitted by: Ivan Stoykov
Category: Server: Replication
Status: Duplicate
Severity: 1
OS: Linux (Red Hat Enterprise Linux Server release 6.3)
Version: 5.6.17
]]> Thu, 05 Jun 2014 07:50:12 +0000 Server: Replication http://bugs.mysql.com/191 #191: Many connections from the slave to the master cause "alarm queue is full" http://bugs.mysql.com/bug.php?id=191 Submitted by: Guilhem Bichot
Category: Server: Replication
Status: Closed
Severity: 3
OS: Linux (Linux at least)
Version: 3.23
]]> Tue, 25 Mar 2003 14:24:01 +0000 Server: Replication http://bugs.mysql.com/18280 #18280: RBR: Extreneous table maps when writing to slow_log and general_log http://bugs.mysql.com/bug.php?id=18280 Submitted by: Mats Kindahl
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any (ALL)
Version: 5.1.8
]]> Thu, 16 Mar 2006 13:27:06 +0000 Server: Replication http://bugs.mysql.com/30703 #30703: SHOW STATUS LIKE 'Slave_running' is not compatible with `SHOW SLAVE STATUS' http://bugs.mysql.com/bug.php?id=30703 Submitted by: Andrei Elkin
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.0 (all)
]]> Wed, 29 Aug 2007 17:26:40 +0000 Server: Replication http://bugs.mysql.com/37578 #37578: Execute Stored Functions Without Prelocks http://bugs.mysql.com/bug.php?id=37578 Submitted by: Akiko Yonemura
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 5.1, 5.0, 6.0
]]> Mon, 23 Jun 2008 07:00:36 +0000 Server: Replication http://bugs.mysql.com/48632 #48632: Fix for Bug #23300 Has Not Been Backported To 5.x Release http://bugs.mysql.com/bug.php?id=48632 Submitted by: Andy Pritchard
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: All
]]> Mon, 09 Nov 2009 09:38:00 +0000 Server: Replication http://bugs.mysql.com/64503 #64503: mysql frequently ignores --relay-log-space-limit http://bugs.mysql.com/bug.php?id=64503 Submitted by: Mark Callaghan
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.1
]]> Thu, 01 Mar 2012 05:27:45 +0000 Server: Replication http://bugs.mysql.com/69341 #69341: semi-sync replication is very slow with many clients http://bugs.mysql.com/bug.php?id=69341 Submitted by: Yoshinori Matsunobu
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 5.6.11
]]> Wed, 29 May 2013 00:55:44 +0000 Server: Replication http://bugs.mysql.com/74233 #74233: Slave's slow log has empty BEGINs for RBR events http://bugs.mysql.com/bug.php?id=74233 Submitted by: Przemyslaw Malkowski
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.6.22,5.5 5.6
]]> Mon, 06 Oct 2014 10:40:11 +0000 Server: Replication http://bugs.mysql.com/74607 #74607: slave io_thread may get stuck when using GTID and low slave_net_timeouts http://bugs.mysql.com/bug.php?id=74607 Submitted by: Santosh Praneeth Banda
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.6.21
]]> Tue, 28 Oct 2014 16:25:51 +0000 Server: Replication http://bugs.mysql.com/75525 #75525: MTS STOP SLAVE takes way too long (when worker threads are slow) http://bugs.mysql.com/bug.php?id=75525 Submitted by: Andrii Nikitin
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.6.22
]]> Fri, 16 Jan 2015 08:59:00 +0000 Server: Replication http://bugs.mysql.com/75767 #75767: set gtid_purged should not rotate binlog http://bugs.mysql.com/bug.php?id=75767 Submitted by: Sven Sandberg
Category: Server: Replication
Status: Closed
Severity: 2
OS: Any
Version: 5.7
]]> Wed, 04 Feb 2015 15:33:18 +0000 Server: Replication http://bugs.mysql.com/88720 #88720: Inconsistent and unsafe FLUSH behavior in terms of replication http://bugs.mysql.com/bug.php?id=88720 Submitted by: Przemyslaw Malkowski
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 5.6, 5.7, 8.0.3, 5.6.38, 5.7.20
]]> Thu, 30 Nov 2017 14:52:45 +0000 Server: Replication http://bugs.mysql.com/99006 #99006: GTID Synchronisation speed when doing START SLAVE http://bugs.mysql.com/bug.php?id=99006 Submitted by: Simon Mudd
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 5.7 and 8.0
]]> Fri, 20 Mar 2020 11:45:07 +0000 Server: Replication http://bugs.mysql.com/42757 #42757: Redundant use of LOCK_log in MYSQL_BIN_LOG::write(Log_event*) http://bugs.mysql.com/bug.php?id=42757 Submitted by: Mats Kindahl
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
]]> Wed, 11 Feb 2009 12:01:25 +0000 Server: Replication http://bugs.mysql.com/43426 #43426: Simple performance changes for replication http://bugs.mysql.com/bug.php?id=43426 Submitted by: Mark Callaghan
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 5.0
]]> Thu, 05 Mar 2009 16:59:59 +0000 Server: Replication http://bugs.mysql.com/45108 #45108: Slave skip counter not working as expected on debian platform http://bugs.mysql.com/bug.php?id=45108 Submitted by: Chuck Bell
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 6.0.11
]]> Tue, 26 May 2009 21:26:27 +0000 Server: Replication http://bugs.mysql.com/47972 #47972: Change in MBR algorithm causes replication performance degradation http://bugs.mysql.com/bug.php?id=47972 Submitted by: Elena Stepanova
Category: Server: Replication
Status: Duplicate
Severity: 2
OS: Any
Version: 5.1.40
]]> Sat, 10 Oct 2009 21:36:17 +0000 Server: Replication http://bugs.mysql.com/52224 #52224: replication of CREATE TEMPOARARY TABLE should be optional http://bugs.mysql.com/bug.php?id=52224 Submitted by: Rick James
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
]]> Fri, 19 Mar 2010 15:17:52 +0000 Server: Replication http://bugs.mysql.com/57275 #57275: binlog_cache_size affects trx- and stmt-cache and gets twice the expected memory http://bugs.mysql.com/bug.php?id=57275 Submitted by: Alfranio Tavares Correia Junior
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.5, next-mr
]]> Wed, 06 Oct 2010 08:53:09 +0000 Server: Replication http://bugs.mysql.com/72640 #72640: rpl.rpl_circular_for_4_hosts fails with result mismatch nondeterministic results http://bugs.mysql.com/bug.php?id=72640 Submitted by: Vinay Fisrekar
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.7
]]> Wed, 14 May 2014 06:05:28 +0000 Server: Replication http://bugs.mysql.com/72680 #72680: Make changing MASTER_AUTO_POSITION = 0 user-friendly and document behaviour http://bugs.mysql.com/bug.php?id=72680 Submitted by: Simon Mudd
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 5.6.17
]]> Mon, 19 May 2014 12:39:07 +0000 Server: Replication http://bugs.mysql.com/74278 #74278: tĥread_id title in binary log output is wrong. Should be process(list)_id http://bugs.mysql.com/bug.php?id=74278 Submitted by: Oli Sennhauser
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 5.6.17, 5.6.26
]]> Wed, 08 Oct 2014 15:38:18 +0000 Server: Replication http://bugs.mysql.com/74328 #74328: serious tps decline if gtid is enabled in 5.7 http://bugs.mysql.com/bug.php?id=74328 Submitted by: zhai weixiang
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.7.5
]]> Sat, 11 Oct 2014 04:54:17 +0000 Server: Replication http://bugs.mysql.com/74423 #74423: RECEIVED_TRANSACTION_SET field on replication_connection_status shows garbage http://bugs.mysql.com/bug.php?id=74423 Submitted by: Pedro Gomes
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.7+
]]> Thu, 16 Oct 2014 22:36:04 +0000 Server: Replication http://bugs.mysql.com/75299 #75299: group commit with GTID enabled need more optimization http://bugs.mysql.com/bug.php?id=75299 Submitted by: zhai weixiang
Category: Server: Replication
Status: Duplicate
Severity: 3
OS: Any
Version: 5.6
]]> Tue, 23 Dec 2014 15:45:36 +0000 Server: Replication http://bugs.mysql.com/75570 #75570: semi-sync replication performance degrades with a high number of threads http://bugs.mysql.com/bug.php?id=75570 Submitted by: Rene' Cannao'
Category: Server: Replication
Status: Closed
Severity: 2
OS: Linux
Version: 5.6.20
]]> Wed, 21 Jan 2015 07:52:33 +0000 Server: Replication http://bugs.mysql.com/76049 #76049: Filtered replication events do not reset the System lock thread state http://bugs.mysql.com/bug.php?id=76049 Submitted by: Mark Leith
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 5.6.22
]]> Wed, 25 Feb 2015 15:13:37 +0000 Server: Replication http://bugs.mysql.com/78264 #78264: DO NOT ALLOCATE MEMORY ON GR PLUGIN P_S INTERFACE IMPLEMENTATION http://bugs.mysql.com/bug.php?id=78264 Submitted by: Nuno Carvalho
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.7.6
]]> Fri, 28 Aug 2015 16:11:52 +0000 Server: Replication http://bugs.mysql.com/81910 #81910: WRITE SET HASHES SHOULD HAVE A 64BITS OPTION TO REDUCE WRITE CONFLICTS http://bugs.mysql.com/bug.php?id=81910 Submitted by: Pedro Gomes
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.7.14
]]> Fri, 17 Jun 2016 16:35:43 +0000 Server: Replication http://bugs.mysql.com/82422 #82422: GTIDS REDUCE PERFORMANCE ON WORKLOADS WITH MANY SMALL TRANSACTIONS http://bugs.mysql.com/bug.php?id=82422 Submitted by: Vitor Oliveira
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 5.7.14
]]> Wed, 03 Aug 2016 11:27:53 +0000 Server: Replication http://bugs.mysql.com/87249 #87249: Relay logs shouldn't be purged if options unrelated in CHANGE MASTER is executed http://bugs.mysql.com/bug.php?id=87249 Submitted by: Jaime Sicam
Category: Server: Replication
Status: Verified
Severity: 2
OS: Any
]]> Sun, 30 Jul 2017 00:44:20 +0000 Server: Replication http://bugs.mysql.com/94360 #94360: Contribution by Facebook: Don't force flush relay log info http://bugs.mysql.com/bug.php?id=94360 Submitted by: FBContrib Admin
Category: Server: Replication
Status: Closed
Severity: 3
OS: Any
Version: 8.0.13
]]> Sat, 16 Feb 2019 04:44:40 +0000 Server: Replication http://bugs.mysql.com/105924 #105924: SHOW SLAVE STATUS became expensive for Replica->Slave column name conversions http://bugs.mysql.com/bug.php?id=105924 Submitted by: Yoshinori Matsunobu
Category: Server: Replication
Status: Closed
Severity: 5
OS: Any
Version: 8.0.22, 8.0.27
]]> Thu, 16 Dec 2021 20:40:33 +0000 Server: Replication http://bugs.mysql.com/110889 #110889: binlog rotate optimize http://bugs.mysql.com/bug.php?id=110889 Submitted by: alex xing
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 8.0.32
]]> Wed, 03 May 2023 05:41:41 +0000 Server: Replication http://bugs.mysql.com/113187 #113187: replica SQL thread purge applied relay logs blocked commit on source node http://bugs.mysql.com/bug.php?id=113187 Submitted by: Vitale Jiang
Category: Server: Replication
Status: Verified
Severity: 5
OS: Any
Version: 8.0 and above
]]> Wed, 22 Nov 2023 16:24:43 +0000 Server: Replication http://bugs.mysql.com/114310 #114310: Master_compression_algorithm output is wrong http://bugs.mysql.com/bug.php?id=114310 Submitted by: Demon Chen
Category: Server: Replication
Status: Verified
Severity: 3
OS: Any
Version: 8.0.33
]]> Tue, 12 Mar 2024 04:14:43 +0000 Server: Replication http://bugs.mysql.com/94994 #94994: Memory leak detect on temptable storage engine http://bugs.mysql.com/bug.php?id=94994 Submitted by: Zhao Jianwei
Category: Server: Storage Engines
Status: Closed
Severity: 2
OS: Linux
Version: 8.0.15
]]> Fri, 12 Apr 2019 03:06:47 +0000 Server: Storage Engines http://bugs.mysql.com/105982 #105982: hard-coded libaio API parameter may not helpful to performance http://bugs.mysql.com/bug.php?id=105982 Submitted by: haochen he
Category: Server: Storage Engines
Status: Verified
Severity: 5
OS: Linux
Version: all, 5.7, 8.0
]]> Mon, 27 Dec 2021 08:11:45 +0000 Server: Storage Engines http://bugs.mysql.com/98739 #98739: TempTable storage engine slow if mmap is required http://bugs.mysql.com/bug.php?id=98739 Submitted by: Marcelo Altmann
Category: Server: Storage Engines
Status: Closed
Severity: 3
OS: Any
Version: 8.0.19
]]> Tue, 25 Feb 2020 18:27:59 +0000 Server: Storage Engines http://bugs.mysql.com/90987 #90987: partition table index next same scan ineffective http://bugs.mysql.com/bug.php?id=90987 Submitted by: Wei Zhao
Category: Server: Storage Engines
Status: Verified
Severity: 5
OS: Any
Version: 5.7.17
]]> Wed, 23 May 2018 10:03:54 +0000 Server: Storage Engines http://bugs.mysql.com/106958 #106958: Querying the user_summary views in sys schema is extremely slow http://bugs.mysql.com/bug.php?id=106958 Submitted by: Eduardo Ortega
Category: Server: SYS Schema
Status: Verified
Severity: 3
OS: CentOS (CentOS Stream release 8)
Version: 8.0.28
]]> Fri, 08 Apr 2022 09:35:39 +0000 Server: SYS Schema http://bugs.mysql.com/81699 #81699: ps_statement_avg_latency_histogram often fails to draw the point of max(avg_us) http://bugs.mysql.com/bug.php?id=81699 Submitted by: keita nishizono
Category: Server: SYS Schema
Status: Verified
Severity: 3
OS: Any
Version: 5.7.12, 5.7.13
]]> Fri, 03 Jun 2016 04:35:52 +0000 Server: SYS Schema http://bugs.mysql.com/80569 #80569: max_latency is not correct for sys.host_summary_by_statement_latency view http://bugs.mysql.com/bug.php?id=80569 Submitted by: Mikiya Okuno
Category: Server: SYS Schema
Status: Closed
Severity: 3
OS: Any
Version: 5.7.11
]]> Tue, 01 Mar 2016 05:03:13 +0000 Server: SYS Schema http://bugs.mysql.com/83716 #83716: MySQL performance-schema doesn't store (analyze) queries to views http://bugs.mysql.com/bug.php?id=83716 Submitted by: Libor Laichmann
Category: Server: SYS Schema
Status: Verified
Severity: 2
OS: Any
Version: 5.7.14, 5.7.16
]]> Mon, 07 Nov 2016 09:31:53 +0000 Server: SYS Schema