Showing all 963 (Edit, Save, CSV, Feed)
ID# Date Updated Type Status Sev Version OS CPU Summary
587662010-12-06
22:48		2014-01-29
0:51		MySQL ServerClosed
(3962 days)		S25.5.8Any (Linux)AnyServer binary was compiled without fast-mutexes
610602011-05-04
16:43		2011-05-04
19:48		MySQL ServerDuplicate
(4963 days)		S3AllAnyAnyMixed direction indexes
651572012-04-30
17:39		2012-05-03
8:13		MySQL ServerDuplicate
(4598 days)		S55.1.53AnyAnyset read_only=1|0 kills performance
815612016-05-24
7:22		2016-05-28
5:46		MySQL ServerClosed
(3112 days)		S15.7.12AnyAnyMySQL 5.7 is 11% to 37% slower then 5.6 when using 4 threads
915892018-07-10
9:44		2018-07-10
9:51		MySQL ServerClosed
(2339 days)		S35.6.33-79.0CentOS (6.3)x86Invalid primary key improves query performance
1041282021-06-28
7:00		2023-08-03
12:33		MySQL ServerDuplicate
(1255 days)		S38.0.25Ubuntu (18.04)x86 (Core i7)Poor performance for queries with tuple comparison
1120802023-08-16
6:30		2023-08-16
8:13		MySQL ServerClosed
(476 days)		S38.0AnyAnyNo need call performance schema interface when open temporary table
1151592024-05-29
9:39		2024-06-03
9:40		MySQL ServerDuplicate
(187 days)		S58.0 and aboveAnyAnyFix for bug 113187
4162003-05-11
12:47		2003-05-28
4:18		MySQL ServerDuplicate
(7861 days)		S24.1.0-alphaWindows (Windows XP and NT)AnyServer slow if client not on localhost
4762003-05-22
2:51		2003-07-01
5:11		MySQL ServerClosed
(7827 days)		S33.23.56Linux (linux)Any"myisamchk -r" results in loss of index "repair table" restores index
33412004-03-30
21:47		2004-05-10
10:46		MySQL ServerClosed
(7513 days)		S33.23.58; 4.0.18FreeBSD (Free BSD, Windows)AnyNot Optimized Min()
33962004-04-05
16:57		2011-03-29
18:22		MySQL ServerClosed
(4999 days)		S24.1.1Linux (LINUX)AnyA SUB-QUERY IN MYSQL 4.1.1.max.log MAKE SERVER DOWN :_(
37992004-05-17
15:23		2008-09-14
2:34		MySQL ServerClosed
(5925 days)		S34.0.18Windows (Windows XP Pro)AnyWinMySQLAdmin shows no server info
58792004-10-04
13:04		2019-11-14
14:00		MySQL ServerClosed
(7365 days)		S34.0Any (Any)AnyFix for Examined_rows in UNION's with 4.0
64832004-11-07
16:36		2004-12-03
3:53		MySQL ServerClosed
(7306 days)		S35.0.2Linux (linux)Anyignored character-set and collation
79392005-01-16
16:33		2005-02-17
17:36		MySQL ServerClosed
(7230 days)		S34.1.9 Any --log-queries-not-using-indexes doesnt apply with 0 or 1 row OR quuery cache
93472005-03-23
4:32		2005-03-24
3:16		MySQL ServerDuplicate
(7195 days)		S11.1.6Windows (Windows 2003 Server)AnyCrashes with MySQL server 5.0.2
100312005-04-20
14:11		2005-06-29
20:24		MySQL ServerClosed
(7098 days)		S15.0.5Any (all)AnyView doesn't use index
109312005-05-27
20:54		2005-06-21
11:00		MySQL ServerClosed
(7106 days)		S24.1.xAny (All)AnyHostname cache completely broken in 4.1
146372005-11-04
12:51		2011-02-16
23:43		MySQL ServerClosed
(5387 days)		S55.0-BKAny (any)Anytrim trailing spaces processes data only byte wise
165042006-01-14
13:53		2006-06-02
21:48		MySQL ServerClosed
(6760 days)		S35.0.21Any (*)AnySome of the simplest SELECTs are 1000 times slower in v5 compared to v4
177922006-02-28
16:31		2006-03-01
13:10		MySQL ServerDuplicate
(6853 days)		S15.0.18Linux (RHEL 4)AnySelect with long IN clause cause server to run out of memory.
184162006-03-22
10:48		2006-03-22
12:18		MySQL ServerClosed
(6832 days)		S35.0.18Linux (Linux)AnyRenaming a table looses all triggers
186562006-03-30
16:30		2011-02-16
23:43		MySQL ServerDuplicate
(5092 days)		S55.0.15Linux (Suse 10)AnyUser variable in where subquery causes long delay
198362006-05-16
2:03		2012-05-18
20:19		MySQL ServerDuplicate
(6565 days)		S2allAny (all)AnyDependent subquery in on clause is not optimized effectively.
209862006-07-12
9:01		2008-09-27
11:01		MySQL ServerClosed
(5912 days)		S55.0.21-community-ntWindows (Windows XP)Anyrenaming a column very slow on large tables
210512006-07-13
23:07		2006-08-31
19:29		MySQL ServerClosed
(6670 days)		S35.0.22 AnyRESET QUERY CACHE very slow when query_cache_type=0
245562006-11-23
20:05		2006-12-05
22:51		MySQL ServerClosed
(6574 days)		S25.0.27 Windows (Win 2003 server)Anymysqldump --all-databases does not dump all databases
257852007-01-23
15:15		2011-03-29
18:52		MySQL ServerClosed
(4999 days)		S25.1.11 and higherLinux (linux)Anyset timestamp get 5 seconds to return
257862007-01-23
15:20		2011-03-29
18:51		MySQL ServerClosed
(4999 days)		S25.1.11Linux (linux)Anyselect with limit 0 get row scan
292782007-06-21
18:51		2012-05-18
20:19		MySQL ServerDuplicate
(6343 days)		S3AnyAnylog-output should default to FILE for backwards compliance.
412932008-12-08
10:21		2011-02-16
23:43		MySQL ServerVerified
(5713 days)		S25.0 bzr, 5.1AnyAnyuser variables from remote hosts can be considerably slow
413902008-12-11
10:55		2011-02-16
23:43		MySQL ServerVerified
(5837 days)		S23.2, 4.1, 5.0, 5.1, 6.0 bzrLinux (pc-linux-gnu i486)Anymysqlbinlog doesn't properly handle local slow IO
511532010-02-12
21:55		2011-02-16
23:44		MySQL ServerDuplicate
(5389 days)		S25.1.43-0.dotdeb.1Linux (2.6.31-19-generic #56-Ubuntu)Anymysqld/I_S takes hours to finish after boot/restart
603452011-03-04
17:11		2013-01-15
15:25		MySQL ServerVerified
(4341 days)		S55.1.55 6.0.11AnyAnytrim trailing spaces processes data only byte wise (the continue of bug14637)
20502003-12-08
16:07		2004-07-09
20:54		MySQL ServerClosed
(7453 days)		S24.1.1alphaWindows (w2k)Any10 to 1 performance drop with server 4.1.1
39042004-05-27
2:07		2004-06-09
23:37		MySQL ServerClosed
(7483 days)		S24.1.2Linux (Linux)AnyCOUNT DISTINCT performance anomaly in 4.1
41142004-06-12
2:27		2004-08-24
6:49		MySQL ServerClosed
(7407 days)		S24.1.2Any (all)Anyorder by - limit optimization is broken for "range" access type.
66352004-11-15
12:47		2005-03-08
18:36		MySQL ServerClosed
(7211 days)		S24.1.7Linux (Linux x86)Anybug in full-text search
71032004-12-08
12:58		2004-12-08
13:09		MySQL ServerDuplicate
(7301 days)		S15.0.2Windows (Windows 98 SE)Anymysql 5.0.2 mysqld crashes on describe any_table;
167002006-01-21
13:13		2006-01-21
13:51		MySQL ServerDuplicate
(6892 days)		S35.0.18FreeBSD (FreeBSD 6.0-RELEASE-p3)Anyoptimizer marks subquery DEPENDENT though it's not
229432006-10-03
15:10		2007-02-21
3:26		MySQL ServerClosed
(6496 days)		S2allWindows (Windows)Anysyscall pruning in libmysql
252322006-12-21
13:24		2007-01-16
8:44		MySQL ServerClosed
(6532 days)		S25.0.30Linux (Linux AMD64 - SLES9-SP3 2.6.17)AnyMySQL hangs in FUTEX_WAIT
290312007-06-11
21:42		2020-05-03
20:45		MySQL ServerDuplicate
(6350 days)		S25.0.44-BK, 5.0.42LinuxAnyComparison of DATE with DATETIME not using indexes correctly
339482008-01-20
15:16		2011-02-16
23:43		MySQL ServerClosed
(5605 days)		S55.1.22Linux (rhas5)Anyperformance issue when using sysbench benchmark on a multiple-core system.
471262009-09-04
9:18		2011-02-16
23:44		MySQL ServerClosed
(5386 days)		S35.1AnyAnyequal flag values causing unexpected behaviour
182152006-03-14
8:52		2006-04-22
4:17		MySQL ServerClosed
(6801 days)		S24.1.18Linux (Linux)AnyLong latency in connection establish
799512016-01-13
12:58		2017-06-04
11:35		MySQL ServerClosed
(2740 days)		S25.7.10WindowsAnyLarge table queries are very slow compared to 5.6
84752005-02-12
14:19		2005-03-08
0:35		MySQL ServerClosed
(7211 days)		S34.1Any (all)AnyIf multi-query: query does not get into slow query log if it's not last
142752005-10-24
21:41		2005-10-24
23:53		MySQL ServerClosed
(6981 days)		S34.0.25Linux (Fedora Core 4 64bit)Anyspitting out the wrong slow logs
603482011-03-04
20:14		2013-01-15
15:25		MySQL ServerVerified
(4341 days)		S55.1.55AnyAnytrim trailing spaces processes data only byte wise (continue of bug14637 (2))
375362008-06-19
22:34		2011-02-16
23:43		MySQL ServerClosed
(5284 days)		S55.1.24Solaris (Nevada Bld 87 on X86)AnyThread scheduling causes performance degradation at low thread count
147802005-11-09
8:44		2005-12-09
0:23		MySQL ServerClosed
(6935 days)		S34.1Linux (linux)Anymemory leak for mysql 4.1.14 with openssl enabled
389002008-08-19
20:14		2011-02-16
23:43		MySQL ServerDuplicate
(5949 days)		S25.0.66aAnyAnymysql_insert_id() and possibly last_insert_id() incorrect
231352006-10-10
12:10		2006-10-10
13:39		MySQL ServerDuplicate
(6630 days)		S55.0.19Linux (Linux)AnySlow views performance
233702006-10-17
13:32		2006-10-20
9:11		MySQL ServerDuplicate
(6620 days)		S1mysql-5.1.11-beta-win32 and 5.1.26Linux (Linux and Win)AnyBad nested group by performance
241692006-11-10
7:41		2007-02-28
7:26		MySQL ServerClosed
(6489 days)		S15.1.12, 5.1.14Linux (Linux (Debian/Sarge))AnyDramatic speed loss when going from 5.1.11 to 5.1.12 (or to 5.0.26)
877562017-09-14
12:55		2017-10-02
11:17		MySQL ServerClosed
(2620 days)		S55.6AnyAnyJOINS and SUBQUERIES: huge performance difference between MySQL 5.5 and 5.6
26832004-02-09
6:48		2004-02-10
14:42		MySQL ServerClosed
(7603 days)		S34.1.1aNT 4 Server SP 6aAnyPoor Performance on a Multi-Homed System
137622005-10-05
7:37		2007-12-04
21:17		MySQL ServerClosed
(6210 days)		S34.1.14Linux (linux)AnySHOW CREATE TABLE slowdown with InnoDB
359182008-04-08
23:17		2014-02-25
19:54		MySQL ServerDuplicate
(3935 days)		S55.1.24LinuxAnymysql-bench: slowdown for create table in 5.1.24 vs 5.0.58&5.1.23
83672005-02-08
9:46		2005-06-22
0:05		MySQL ServerClosed
(7105 days)		S3AllAny (All)Anyslow log doesn't gives complete information about prepared statements
107372005-05-19
11:38		2005-05-19
13:57		MySQL ServerDuplicate
(7139 days)		S24.1.12Linux (Linux)AnyPS API queries in --log-slow-queries are unusable
164932006-01-13
19:21		2012-05-18
20:19		MySQL ServerDuplicate
(6735 days)		S35.0.19-BKprobably allAnySlow query log logs SHOW statements
173682006-02-14
10:04		2006-05-04
15:49		MySQL ServerClosed
(6789 days)		S25.1.6/5.1.7 BKWindows (Windows XP)AnyGeneral log and slow query log don't work
402632008-10-22
18:41		2008-10-22
18:47		MySQL ServerDuplicate
(5887 days)		S35.0+AnyAnyServer default log filenames do not use hostname
1064102022-02-08
17:16		2022-02-08
19:31		MySQL ServerDuplicate
(1030 days)		S35.734AnyAnyUpgraded Mysql 5.6 to Mysql 5.7. All Queries are running damn slow after upgrade
104802005-05-09
15:11		2005-06-16
7:44		MySQL ServerClosed
(7111 days)		S24.1.11-standard-logLinux (Linux Redhat Fedora Core 1)AnySlow queries
609612011-04-23
18:59		2014-03-28
19:39		MySQL ServerClosed
(4584 days)		S25.6, 5.5, 5.1AnyAnyshow tables very slow when not in system disk cache
7962003-07-06
7:35		2003-07-06
12:36		MySQL ServerClosed
(7822 days)		S34.1Any (any)Anymemory leak in group_concat
26132004-02-02
8:20		2004-06-16
16:18		MySQL ServerClosed
(7476 days)		S34.0 Anymemory leak in drop database with raid
476232009-09-24
16:20		2011-02-16
23:44		MySQL ServerDuplicate
(5341 days)		S15.0.44, 5.0.85Linux (Centos)AnySuspected memory/temporary file leak
563822010-08-30
19:11		2011-02-16
23:44		MySQL ServerClosed
(5166 days)		S25.1.50AnyAnyvalgrind leak warning from main.loaddata
1001142020-07-05
8:03		2020-07-13
12:47		MySQL ServerClosed
(1607 days)		S25.7.25CentOS (7.6)Anybluk_insert may lead to memory leak
603492011-03-04
21:20		2013-01-15
15:25		MySQL ServerVerified
(4341 days)		S55.1.55AnyAnytrim beginning spaces processes data only byte wise (continue of bug14637 (3))
603512011-03-04
22:15		2013-01-15
15:27		MySQL ServerVerified
(4341 days)		S55.1.55AnyAnytrim same character processes data only byte wise (continue of bug14637 (4))
1063902022-02-07
10:08		2022-07-18
11:45		MySQL ServerDuplicate
(1030 days)		S58.0.28DebianAnyCREATE TABLE performance in MySQL 8 is considerably slower than 5.7
35312004-04-21
19:09		2004-04-22
8:20		MySQL ServerClosed
(7531 days)		S25.0.0 & 4.1.1a-alphaWindows (Windows XP)AnyPrepared statement memory leak while connection is open
19522003-11-25
13:49		2003-12-11
17:26		MySQL ServerClosed
(7664 days)		S3AnyAny (Any)AnySHOW TABLE STATUS very slow w/large number of tables
44972004-07-10
1:21		2004-08-09
23:15		MySQL ServerClosed
(7422 days)		S34.0.21Linux (linux)AnySerious regression if disk based TMP table is used.
99682005-04-18
9:31		2005-08-06
23:23		MySQL ServerClosed
(7060 days)		S15.0Any (all)Anyslow query log contains useless entries
122402005-07-28
14:04		2006-10-20
17:46		MySQL ServerClosed
(6620 days)		S34.1.13Windows (Windows\Linux)AnyRows Examined in Slow Log showing incorrect number?
128312005-08-26
13:21		2008-04-02
13:50		MySQL ServerClosed
(6090 days)		S34.1.13/BK 4.1 sourceAny (5.4)Anylong_query_time is flawed because it is an integer
157742005-12-15
13:39		2005-12-16
10:18		MySQL ServerClosed
(6928 days)		S15.0Windows (Windows XP PRO Sp2)Anyslow / increase memory / crashing / OS freezing
186692006-03-30
22:22		2006-05-31
1:18		MySQL ServerClosed
(6762 days)		S35.0,5.1Linux (Linux)AnySession COM_STATISTICS breaks mysqladmin status
394612008-09-15
20:54		2008-10-20
13:05		MySQL ServerClosed
(5889 days)		S35.0.60LinuxAnySlow Query
618182011-07-11
8:22		2011-07-11
9:03		MySQL ServerClosed
(4895 days)		S25.1.57Linux (debian 6 64 bit)Anydebian 6 64 bit + mysql 5.1.57 insert innodb very very slow
765852015-04-03
10:07		2018-02-19
14:36		MySQL ServerClosed
(2480 days)		S35.6.27, 5.7.21AnyAnyRuntime changes to `long_query_time` are ignored.
963402019-07-26
12:13		2023-09-29
7:51		MySQL ServerClosed
(1834 days)		S38.0.17AnyAnySlow startup for mysql 8.0 with many tables due to the tablespace files scan
16972003-10-29
3:45		2003-12-13
3:36		MySQL ServerClosed
(7662 days)		S24.0.16Any (all)AnyDELETE ... WHERE ... ORDER BY ... wrong execution leads to very bad performance
4852003-05-23
12:38		2003-06-05
10:38		MySQL ServerDuplicate
(7853 days)		S24.1Windows (Windows ONLY)AnyRemote Performance Issue Windows in 4.1
59692004-10-08
5:49		2004-10-10
10:52		MySQL ServerClosed
(7360 days)		S15.0.2Linux (Linux)AnyPerformance Problem with updatable VIEW
126622005-08-19
2:20		2005-08-19
2:41		MySQL ServerDuplicate
(7047 days)		S25.0.9FreeBSD (FreeBSD 5.4)AnyPoor View Performance
400062008-10-13
15:04		2008-10-22
10:56		MySQL ServerClosed
(5887 days)		S55.0.18AnyAnyPerformance depends on functions used?
429082009-02-17
1:20		2011-02-16
23:43		MySQL ServerClosed
(5141 days)		S55.0.74, 5.0.76, 5.0.77Linux (SLES 10)AnyPerformance degradation on SELECT_DISTINCT_RANGES (as in Sysbench)
460852009-07-09
13:49		2011-02-16
23:44		MySQL ServerDuplicate
(5565 days)		S35.4.2 (summit), mysql-trunkLinuxAnyValgrind warnings (InnoDB code) in test rpl_trigger
545182010-06-15
14:25		2012-10-15
13:31		MySQL ServerClosed
(4433 days)		S55.0.22Windows (Vista)AnyVery bad performance with subselect
668652012-09-19
3:18		2017-01-25
14:20		MySQL ServerClosed
(2870 days)		S35.6AnyAnyPerformance degradation in MySQL 5.6
710412013-11-29
18:39		2017-09-05
1:11		MySQL ServerClosed
(2647 days)		S35.6AnyAnyPlease, document every instrument in P_S.setup_instruments in details
751082014-12-04
19:35		2015-01-15
19:26		MySQL ServerClosed
(3611 days)		S26.2.3Windows (Microsoft Windows 7 Home Premium Service Pack 1)AnyNo Connection to MySQL server. Port 3306 not available.
761172015-03-03
6:56		2015-03-04
7:40		MySQL ServerDuplicate
(3563 days)		S55.6.16-logWindowsAnyIndex cardinality not being updated when the data is changed
1096032023-01-12
12:06		2023-01-12
14:10		MySQL ServerDuplicate
(692 days)		S3AnyAnyMySQL8 write performance degrades compares to MySQL 5.7
1118682023-07-25
2:54		2024-03-21
11:18		MySQL ServerDuplicate
(498 days)		S5AnyAnybenchmarksql performance degradation since 8.0.27
100642005-04-21
15:39		2007-11-09
9:27		MySQL ServerClosed
(6235 days)		S13.1Linux (RedHat 4)Anyudf deinit not called when using PreparedStatements
101072005-04-23
0:53		2005-04-28
15:29		MySQL ServerClosed
(7160 days)		S35.0-bk AnyMemory leak in view over subquery
112472005-06-10
15:14		2005-08-18
21:01		MySQL ServerClosed
(7048 days)		S35.0Any (Any)AnyStored procedures: Function calls in long loops leak memory
134712005-09-25
17:13		2005-09-26
9:52		MySQL ServerClosed
(7009 days)		S25.0.14-rc, tadays pullLinux (Linux)AnyMemory leak in ha_tina
181742006-03-13
0:29		2006-03-13
5:56		MySQL ServerDuplicate
(6841 days)		S25.0.19-standard-log/Oficial tarballLinux (Debian/Gnu ia32/2.4.32)AnyMemory leak on update with big NOT IN ().
197392006-05-11
20:10		2006-05-18
23:28		MySQL ServerClosed
(6775 days)		S35.0.20Windows (Windows XP)Anystored function call in primary select causes memory leak
197982006-05-14
0:16		2006-05-23
8:02		MySQL ServerClosed
(6770 days)		S25.1.10-preLinux (Red Hat RHAS4 x86 x86_64)AnyTest 'func_encrypt' leaks memory when using yaSSL
253962007-01-03
20:26		2007-01-24
20:28		MySQL ServerClosed
(6524 days)		S15.1 AnyValgrind leak in closecon_handlerton
267502007-03-01
14:52		2007-03-07
21:37		MySQL ServerClosed
(6482 days)		S15.0 Anyvalgrind leak in sp_head
214612006-08-06
1:28		2007-07-13
0:37		MySQL Server: Archive storage engineClosed
(6354 days)		S55.0Any (all)AnyLong Varchars created unneeded waste in compression in Archive
267732007-03-01
22:16		2013-03-03
20:45		MySQL Server: Archive storage engineDuplicate
(5347 days)		S15.0.27-maxLinux (Debian 3.1 (kernel 2.6.14.2))AnyPossible Memory Leak with Archive Tables
996942020-05-26
13:06		2020-06-01
15:23		MySQL Server: CharsetsVerified
(1647 days)		S58.0AnyAnyImproving performance of my_hash_sort_utf8(mb4)/my_strnncollsp*utf8(mb4)
556062010-07-28
15:25		2015-08-30
17:21		MySQL Server: CharsetsVerified
(4227 days)		S55.1.47, 5.1.50-bzr, 5.5.23, 5.6.11LinuxAnyCharset on ENUMS influencing performance too much
853312017-03-06
19:46		2017-09-27
2:00		MySQL Server: CharsetsClosed
(2625 days)		S35.6, 5.7, etc, 5.6.35AnyAny_characterset specifications have lousy performance for some character sets
1164922024-10-28
11:47		2024-11-06
13:48		MySQL Server: CharsetsVerified
(28 days)		S58.0, 8.0.40AnyAnyThe utf8mb4 character set has worse performance
683662013-02-13
16:03		2018-01-18
13:19		MySQL Server: CharsetsClosed
(2512 days)		S5 5.5.29-0ubuntu0.12.10.1-log for debian-Linux (Ubuntu 12.10)Anyregression: >=mysql-5.4 utf8 collations are marked as not ascii compatible
727152014-05-21
22:39		2014-05-22
8:02		MySQL Server: CharsetsVerified
(3849 days)		S35.6.17AnyAnycharacter set code endianness dependent on CPU type rather than endianness of CP
833192016-10-10
12:44		2017-07-05
15:37		MySQL Server: CharsetsClosed
(2942 days)		S38.0.1AnyAnyPerformance regression when changing character set to utf8mb4
991902020-04-06
11:51		2020-04-06
14:06		MySQL Server: CharsetsVerified
(1703 days)		S58.0AnyAnymy_tosort_unicode: unnecessary max_char check while utf8-mb3 processing
387202008-08-11
14:07		2018-01-18
13:11		MySQL Server: CharsetsClosed
(2512 days)		S25.0, 5.1, 6.0 bzrLinux (Etch 4.0(am64 and x86))AnySELECT DISTINCT on multiple attributes containing spaces in UTF8 are slow.
437072009-03-17
16:29		2011-02-16
23:43		MySQL Server: CharsetsVerifiedS36.0.10, 5.6Linux (2.6.9-34.ELsmp #1 SMP Fri Feb 24 16:56:28 EST 2006 x86_64 x86_64 x86_64 GNU/Linux)AnyColumns in general_log and slow_log changed to "longtext" during upgrade
607262011-04-01
21:01		2011-04-03
11:54		MySQL Server: CharsetsDuplicate
(4994 days)		S25.5.10Linux (Debian Lenny, Arch Linux, adm64 and x86)AnyFunctions doing implicit int to string conversion called repeatedly slow down
687952013-03-27
12:22		2013-07-30
13:47		MySQL Server: CharsetsClosed
(4145 days)		S35.5.30AnyAnyDatetime field comparisons do not work properly with utf8_unicode_ci collation
845772017-01-20
8:49		2017-08-21
19:47		MySQL Server: CharsetsClosed
(2858 days)		S3AnyAnystrnxfrm runs slower when tailoring rule contains contraction
351652008-03-08
17:48		2022-12-04
20:45		MySQL Server: CSVVerified
(6111 days)		S55.1AnyAnyLogging to table is slow for large queries
933942018-11-29
5:46		2018-11-29
14:55		MySQL Server: CSVVerified
(2197 days)		S35.7.21AnyAnymemory leak when csv engine has no permission to meta file
957922019-06-13
15:21		2019-07-10
18:39		MySQL Server: Data DictionaryClosed
(1974 days)		S28.0.18AnyAnyDD function for fetching tables in engine
984492020-01-31
12:25		2023-11-02
6:26		MySQL Server: Data DictionaryClosed
(398 days)		S58.0.19AnyAnySELECT from I_S.INNODB_COLUMNS is slow in 8.0
1031952021-04-02
9:48		2021-04-13
13:23		MySQL Server: Data DictionaryVerified
(1332 days)		S58.0Linux (rhel-7.4)Any (x86-64)it gets very slow to access an empty table after drop a big database
914202018-06-26
10:03		2018-08-14
17:43		MySQL Server: Data DictionaryClosed
(2304 days)		S38.0.11AnyAnyAllocate DD auto releaser maps on demand
1155242024-07-05
10:13		2024-07-18
8:48		MySQL Server: Data DictionaryVerified
(140 days)		S38.0.38, 9.0.0AnyAnykey_object_cache_mutex and key_object_loading_cond are not registered
826312016-08-18
11:45		2016-11-29
1:59		MySQL Server: DDLClosed
(3026 days)		S38.0.1AnyAnystd::basic_string instantiation w/ PFS instrumentation for the DD
1063992022-02-08
1:55		2022-02-09
4:18		MySQL Server: DDLDuplicate
(1030 days)		S38.0.26AnyAnyRegression on DDL statements with big stage/sql/checking permissions
1144652024-03-24
6:32		2024-08-29
22:44		MySQL Server: DDLClosed
(97 days)		S58.0.36, 8.3.0AnyAnyRegression in 8.0.27+ related to Parallel DDL IO Amplification
516802010-03-03
8:36		2011-02-16
23:44		MySQL Server: DDLDuplicate
(5390 days)		S35.1.43IBM AIXAny"ALTER TABLE ... DELAY_KEY_WRITE=1" causes a full table copy
946102019-03-08
19:09		2020-08-05
0:00		MySQL Server: DDLVerified
(1582 days)		S55.6.41CentOS (7.5)x86Server stalls because ALTER TABLE on partitioned table holds dict mutex
1065602022-02-24
14:51		2023-10-19
10:51		MySQL Server: DDLDuplicate
(1012 days)		S38.0.28AnyAnyslow DDL in mysql 8.0 as compare to 5.7 taking more time for checking permission
244952006-11-22
3:37		2008-09-27
10:42		MySQL Server: DDLClosed
(5912 days)		S55.1.14-BK, 5.1.12-beta,5.0.24aLinux (Linux, Windows Server 2003 x64)Any"create index" gets slower the more indexes there are
1167382024-11-21
4:09		2024-11-29
10:11		MySQL Server: DDLVerified
(5 days)		S58.0.40AnyAnyThe DDL performance of 8.0.40 has not been restored to 8.0.26
224872006-09-19
17:57		2020-05-03
20:45		MySQL Server: DDLVerified
(6475 days)		S55.0.26AnyAnymysql performs extremely slow when creating unique indexes on huge table
85652005-02-17
11:50		2022-12-04
20:45		MySQL Server: DDLDuplicate
(4527 days)		S25.0.30Any (*)AnyALTER TABLE MODIFY adds duplicate keys which slow down SELECTs
744872014-10-21
19:07		2015-02-16
20:38		MySQL Server: DDLClosed
(3579 days)		S35.7.5-labs-previewAnyAnyprimary key missing for query_rewrite.rewrite_rules
422592009-01-22
6:36		2012-07-31
12:15		MySQL Server: DMLClosed
(4509 days)		S25.5.25Linux (Ubuntu 12.04 x86_64)AnyUtilizing a SELECT within a WHERE IN performs poorly (slow)
1095482023-01-09
7:55		2023-12-20
12:33		MySQL Server: DMLClosed
(350 days)		S58.0.13,8.0.31AnyAnyPoor performance when using HASH field to check unique
403742008-10-28
17:32		2008-11-29
15:56		MySQL Server: DMLClosed
(5849 days)		S35.0.51aLinux (Debian Lenny amd64)AnyLOAD DATA with CONVERT_TZ causes memory leak
459622009-07-06
8:39		2011-02-16
23:44		MySQL Server: DMLClosed
(5558 days)		S25.0.84, 5.1.37, 6.0.12AnyAnymemory leak after 'sort aborted' errors
507742010-02-01
2:23		2011-05-13
14:21		MySQL Server: DMLClosed
(4954 days)		S15.1.44, 5.1.49, 5.5.99, 5.5.6rcAnyAnyWrong resultset when timestamp values are appended with .0
758072015-02-06
10:00		2015-02-20
9:54		MySQL Server: DMLVerified
(3577 days)		S55.6.22LinuxAnySlow Query in MySQL 5.6
1070262022-04-14
16:17		2022-04-15
12:13		MySQL Server: DMLClosed
(964 days)		S35.7.36Debianx86Update performs full table scan due to too many indexes
693682013-05-31
20:36		2013-10-11
16:23		MySQL Server: DMLClosed
(4072 days)		S55.6.6AnyAnyperformance regression in 5.6.6+ for insert into .... select ... from
702022013-08-30
15:36		2013-09-02
11:53		MySQL Server: DMLVerified
(4111 days)		S35.5, 5.6AnyAnyREPLACE working differently for a table having PK or UK only versus both PK+UK
876372017-09-01
8:44		2017-12-18
8:46		MySQL Server: DMLVerified
(2543 days)		S55.7.17LinuxAnyHigh CPU occupancy rate
1163932024-10-17
12:46		2024-11-04
12:43		MySQL Server: DMLVerified
(30 days)		S58.0AnyAnyDegrading performance of MD5(), SHA2() functions
1021502021-01-05
11:53		2021-01-06
8:16		MySQL Server: DMLVerified
(1428 days)		S5MySQL 8.0.22AnyAnyPerformance of repeat() function need to be optimized
1138002024-01-30
5:30		2024-01-31
8:28		MySQL Server: DMLVerified
(308 days)		S58.0.22, 8.0.36, 8.0.11Linuxx86Performance degradation of Blob operations comparing with MySQL 5.7
1027742021-03-02
0:37		2021-03-06
7:15		MySQL Server: DMLVerified
(1369 days)		S35.7.31,8.0.22, 5.7.33AnyAnyA scenario that result in memory leak
678922012-12-13
2:37		2012-12-14
13:18		MySQL Server: ErrorsClosed
(4373 days)		S35.5.28, 5.6.9AnyAnyWarning recommends to use a deprecated or non-existing option
609682011-04-24
18:40		2011-04-25
19:50		MySQL Server: ErrorsVerified
(4972 days)		S35.1.43sp1-enterprise-gpl-advanced-logAnyAnyCancelled queries not reported in slow query log
704022013-09-23
21:35		2013-11-12
1:47		MySQL Server: ErrorsClosed
(4040 days)		S55.7.2AnyAnynew deprecation warnings introduce unwanted performance degradation side-effect
266972007-02-27
21:53		2013-03-03
20:45		MySQL Server: Federated storage engineVerified
(6474 days)		S25.0.38-BK, 5.0.27, 5.1Linux (Linux, Windows 2000)AnyEvery query to a federated table results in a full scan of MyISAM table.
408752008-11-20
7:10		2011-02-16
23:43		MySQL Server: Federated storage engineClosed
(5845 days)		S25.0AnyAnyMemory leak in FEDERATED handler
214722006-08-07
7:13		2006-08-26
12:46		MySQL Server: Federated storage engineDuplicate
(6675 days)		S55.1.12Linux (linux)Anyquestion about the query against to the federated engine tables
685722013-03-05
10:57		2014-02-19
16:19		MySQL Server: Federated storage engineVerified
(4291 days)		S35.5.25a, 5.5.31AnyAnyFEDERATED using SHOW TABLE STATUS causes performance problems for InnoDB tables
347892008-02-24
13:49		2008-04-22
14:15		MySQL Server: Federated storage engineClosed
(6070 days)		S35.1.23, 5.1.24-rcAnyAnydrop server/create server leaks memory !
757632015-02-04
13:29		2015-02-05
8:19		MySQL Server: FULLTEXT searchVerified
(3590 days)		S25.6.21, 5.6.24AnyAnyInnoDB FULLTEXT index reduces insert performance by up to 6x on JSON docs
1022492021-01-14
15:56		2021-01-27
17:40		MySQL Server: Group ReplicationVerified
(1416 days)		S38.0.22AnyAnySlow query log filling up with performance_schema queries
991332020-03-31
15:08		2024-01-30
17:50		MySQL Server: Group ReplicationVerified
(1702 days)		S38.0.19AnyAnyGroup Replication Performance Degradation with partial network outage
1160132024-09-05
15:36		2024-10-23
12:45		MySQL Server: Group ReplicationVerified
(42 days)		S5all versionsAnyAnyMitigate Performance Fluctuations in MySQL Group Replication
847732017-02-01
14:29		2017-10-04
14:14		MySQL Server: Group ReplicationClosed
(2618 days)		S55.7.17LinuxAnyFlow control slows down throughput while a node join the cluster
847742017-02-01
14:53		2024-11-05
3:01		MySQL Server: Group ReplicationVerified
(2862 days)		S55.7.17AnyAnyPerformance drop every 60 seconds
866262017-06-08
16:42		2017-11-08
10:28		MySQL Server: Group ReplicationClosed
(2634 days)		S35.7.19AnyAnyGroup replication partition handling thread is not instrumented on perf schema
891952018-01-11
19:15		2019-07-25
14:45		MySQL Server: Group ReplicationClosed
(1959 days)		S25.7.20, 8.0.3AnyAnyTotal ordering of transactions is not respected in Group Replication.
911512018-06-05
17:12		2019-05-06
3:33		MySQL Server: Group ReplicationVerified
(2373 days)		S38.0.11AnyAnyAdd a Learner/Observer role to leverage it in WAN setup
1105182023-03-27
23:53		2023-12-23
13:54		MySQL Server: Group ReplicationClosed
(347 days)		S3all, 8.0AnyAnyMemory leak possible
1151622024-05-29
13:01		2024-09-18
9:06		MySQL Server: Group ReplicationClosed
(78 days)		S28.0AnyAnyPotential Memory Leak in file `xcom\network\xcom_network_provider_native_lib.cc`
269672007-03-08
18:00		2014-12-21
11:15		MySQL Server: GeneralVerified
(6477 days)		S35.0.37Any (all)AnySHOW PROFILE: Inconsistent output capitalization
348202008-02-25
21:03		2008-10-05
16:43		MySQL Server: GeneralClosed
(5904 days)		S35.1AnyAnylog_output can be set to illegal value
570582010-09-28
9:57		2011-02-16
23:44		MySQL Server: GeneralClosed
(5081 days)		S35.5.6AnyAnySERVER_QUERY_WAS_SLOW not wired up.
608112011-04-08
23:41		2020-08-15
10:10		MySQL Server: GeneralVerified
(4987 days)		S55.0.93, 5.5.12, 5.0.77-4.el5_5.4Any (RHEL 5.5, Mac OS X)Anyslow timezone functions
616212011-06-23
22:51		2011-06-24
4:06		MySQL Server: GeneralDuplicate
(4912 days)		S35.5.13Linux (Ubuntu)AnyALTER TABLE very slow on empy partitioned table
1079032022-07-18
14:42		2022-07-19
11:48		MySQL Server: GeneralAnalyzing
(869 days)		S3AnyAnyContribution: Each slow log prints out the database name
245092006-11-22
15:09		2011-02-16
23:43		MySQL Server: GeneralClosed
(5286 days)		S35.0,5.1Windows (Windows)Any2048 file descriptor limit on windows needs increasing
283822007-05-11
15:48		2007-05-11
18:30		MySQL Server: GeneralDuplicate
(6417 days)		S3SeveralAnyAnyQuery cache considered harmful
304392007-08-15
14:45		2007-08-16
5:14		MySQL Server: GeneralDuplicate
(6320 days)		S35.0.45LinuxAnytmpdir is not followed for temporary tables in group by
394922008-09-17
0:58		2011-02-16
23:43		MySQL Server: GeneralClosed
(5832 days)		S55.0.51aSolarisAnysolaris should use a separate alarm thread
427052009-02-09
16:37		2011-02-16
23:43		MySQL Server: GeneralVerified
(5735 days)		S35.1.30AnyAnyReduce malloc/free during query lifecycle.
434272009-03-05
17:17		2012-03-18
18:41		MySQL Server: GeneralVerified
(5750 days)		S55.0AnyAnyDon't limit table_cache_size as a function of max_connections
472862009-09-12
11:22		2011-11-28
15:40		MySQL Server: GeneralClosed
(4755 days)		S35.1.38AnyAny'have_federated' variable not implemented
494912009-12-06
23:14		2011-02-16
23:44		MySQL Server: GeneralClosed
(5381 days)		S55.1.38 and aboveAnyAnyMuch overhead for MD5() and SHA1() on short strings
547902010-06-25
3:58		2011-06-03
2:10		MySQL Server: GeneralClosed
(4933 days)		S35.1.47AnyAnyUse of non-blocking mode for sockets limits performance
1121752023-08-24
13:32		2023-08-24
13:40		MySQL Server: GeneralAnalyzing
(468 days)		S3AnyAnyContribution: [performance optimization]
524102010-03-27
18:43		2011-02-16
23:44		MySQL Server: GeneralClosed
(5312 days)		S35.5.3-m3AnyAnyTest "mysqld--help-*": further output differences
612042011-05-17
15:24		2011-05-18
9:35		MySQL Server: GeneralClosed
(4949 days)		S35.0.51aLinux (mysql Ver 14.12 Distrib 5.0.51a, for debian-linux-gnu (x86_64))AnyInacurate statistics on a server with 50% persistent connections
342542008-02-02
20:26		2008-02-04
2:23		MySQL Server: GeneralClosed
(6148 days)		S25.1.22 RC (x64)Windows (XP x64 AMD DC)AnyVery slow queries when using functions in SELECT statements
229472006-10-03
16:16		2006-10-03
16:20		MySQL Server: GeneralDuplicate
(6637 days)		S24.1.21 Linux 2.4.18 SMP kernelAnyPerformance regression in C API 4.1 versus 4.0
512862010-02-18
15:56		2011-02-16
23:44		MySQL Server: GeneralVerified
(5403 days)		S3anyAnyAnyRequest to add performance regression to release acceptance tests
217982006-08-23
17:36		2006-10-25
19:21		MySQL Server: GeneralClosed
(6615 days)		S25.0.24Linux (Linux 2.6.15 (Ubuntu 6.06 LTS))Anymemory leak during query execution with subquery in column list using a function
256592007-01-16
22:38		2007-05-24
7:27		MySQL Server: GeneralClosed
(6404 days)		S35.1AnyAnymemory leak via "plugins" test
424122009-01-28
10:53		2011-02-16
23:43		MySQL Server: GeneralClosed
(5573 days)		S36.0,5.4AnyAnyIPv6 connection handling code bugs
421582009-01-16
13:48		2011-02-16
23:43		MySQL Server: GeneralClosed
(5641 days)		S24.1, 5.0, 5.1, 6.0AnyAnyleak: SSL_get_peer_certificate() doesn't have matching X509_free()
252222006-12-20
19:15		2007-03-13
19:10		MySQL Server: GeneralClosed
(6476 days)		S35.0Windows (windows)AnyWin32 HANDLE leak in my_sopen()
526292010-04-06
18:54		2011-02-16
23:44		MySQL Server: GeneralClosed
(5283 days)		S35.1.45, 5.1 bzrAnyAnymemory leak from sys_var_thd_dbug in binlog.binlog_write_error
479372009-10-09
9:11		2011-02-16
23:44		MySQL Server: GeneralVerified
(5535 days)		S5AnyAnyAppending to fields using CONCAT gets very slow
377032008-06-27
21:20		2015-04-29
0:09		MySQL Server: GeneralClosed
(3507 days)		S5MYSQL 6.0.4 (Source Distribution)Linux (EL5.1)AnyMySQL performance with and without Fast Mutexes using Sysbench Workload
426082009-02-04
21:42		2011-02-16
23:43		MySQL Server: GeneralClosed
(5766 days)		S3Summit v0.2.0AnyAnySummit may need changes to default config parameters for optimal performance
503672010-01-15
14:12		2011-02-16
23:44		MySQL Server: GeneralVerified
(5375 days)		S55.1.42, 5.1 bzrAny (MS Windows 32 bits, Mac)AnyREPLACE has quadradic computational complexity on windows server (but not linux)
272712007-03-19
18:38		2007-03-25
13:23		MySQL Server: GeneralClosed
(6464 days)		S35.0.32-Debian_7-logLinux (Debian Etch 64bit)AnyRepeating a query slows it down
279242007-04-18
10:36		2007-05-21
10:27		MySQL Server: GeneralClosed
(6407 days)		S25.0.24-Debian_1~bpo.1-logLinux (Debian 3.1 i386)AnyFLUSH LOGS crashes database
1025992021-02-15
12:11		2023-12-19
10:19		MySQL Server: GISVerified
(1387 days)		S58.0.22Windows (Win 10)x86 (NVMe RAM)Slow performance of MySQL 8 compared with 5.7 on geographical SELECT
963112019-07-24
9:02		2020-02-19
17:38		MySQL Server: GISDuplicate
(1750 days)		S58.0.17AnyAnyST_Intersects() is very slow on MySQL 8.0
794062015-11-25
9:49		2017-12-23
10:50		MySQL Server: GISClosed
(2588 days)		S25.7.9 GA, 5.7.11AnyAnyExtremely poor selection performance compared to MySQL 5.6.27 on InnoDB & MyISAM
591112010-12-22
10:40		2011-02-16
23:44		MySQL Server: GISClosed
(5047 days)		S35.6+AnyAnygis crashes when server is compiled without performance schema
779602015-08-06
11:21		2016-02-04
19:18		MySQL Server: GISClosed
(3386 days)		S3AnyAnyUpgrade to Boost 1.59.0
793802015-11-23
8:11		2016-06-18
21:34		MySQL Server: GISClosed
(3239 days)		S38.0.0AnyAnyUpgrade to Boost 1.60.0
891222018-01-05
16:47		2018-03-19
17:49		MySQL Server: GISClosed
(2514 days)		S38.0.5AnyAnySevere performance regression in server bootstrap
354142008-03-18
19:16		2012-08-08
11:01		MySQL Server: GISDuplicate
(4501 days)		S35.0.51 and 5.0.51aOther (Linux / Solaris)AnyMBRContains fails to select records when using index
831662016-09-27
10:09		2016-11-21
17:45		MySQL Server: GISClosed
(2945 days)		S55.7.15AnyAnyQuery execution involving spatial and non-spatial data very slow
749492014-11-21
6:30		2015-04-06
18:53		MySQL Server: GISClosed
(3600 days)		S35.7.6AnyAnyGIS performance issue: too many reallocs
743712014-10-14
11:32		2014-10-31
15:18		MySQL Server: GISClosed
(3687 days)		S35.7.6AnyAnyValgrind: Memory leak when doing spatial operations on geometrycollections
399902008-10-12
16:19		2022-09-04
20:45		MySQL Server: Information schemaDuplicate
(5896 days)		S35.1.23, 5.1.28AnyAnypoor performace of "SHOW VARIABLES"
422482009-01-21
18:27		2011-02-16
23:43		MySQL Server: Information schemaDuplicate
(5796 days)		S56.0.0-alpha-community-nt-debugWindowsAnyInformation schema has no indexes
520862010-03-16
12:03		2011-02-16
23:44		MySQL Server: Information schemaDuplicate
(5377 days)		S35.1.44Windows (Server 2003)Anyshow function status
195882006-05-06
23:47		2020-08-25
11:03		MySQL Server: Information schemaClosed
(6202 days)		S55.0, 5.1Any (all)AnyINFORMATION_SCHEMA performs much too slow on large servers
292632007-06-21
9:46		2011-02-16
23:43		MySQL Server: Information schemaClosed
(5788 days)		S35.1AnyAnydisabled storage engines omitted in SHOW ENGINES
479612009-10-09
21:51		2011-02-16
23:44		MySQL Server: Information schemaVerified
(5535 days)		S35.1.39-community,5.5+Linux (only tested on CentOS 5.3)Anymetadata leak from information_schema.routines via privs on mysql.proc table
512082010-02-16
14:29		2018-04-12
9:57		MySQL Server: Information schemaClosed
(5128 days)		S35.1AnyAnyExtra string allocation from thd->mem_root in sql_show.cc, find_files()
778612015-07-28
17:30		2015-07-29
6:58		MySQL Server: Information schemaVerified
(3416 days)		S35.6, 5.6.26AnyAny"SHOW PROCESSLIST" needs higher resolution time
987502020-02-26
20:11		2020-05-21
12:09		MySQL Server: Information schemaClosed
(1659 days)		S58.0, 8.0.19AnyAnySHOW FIELDS command regression on MySQL 8.0
982382020-01-15
12:26		2020-05-07
12:32		MySQL Server: Information schemaClosed
(1673 days)		S58AnyAnyI_S.KEY_COLUMN_USAGE is very slow
1165652024-11-06
3:38		2024-11-08
7:47		MySQL Server: Information schemaVerified
(26 days)		S58.0.40AnyAnyselect I_S.innodb_tables is very slow for table with many partitions
403672008-10-28
8:55		2011-02-16
23:43		MySQL Server: Information schemaVerified
(5795 days)		S35.1.28, 5.1.29, 5.0, 5.1 bzrAnyAnySHOW on a broad view is taking too long
843052016-12-22
1:22		2017-03-24
14:43		MySQL Server: Information schemaClosed
(2812 days)		S25.6.35AnyAnyThe fix for Bug#78777 has different behavior with perf. schema vs. without it
389182008-08-20
15:44		2008-11-13
3:29		MySQL Server: Information schemaClosed
(5865 days)		S35.1.26,6.0.6AnyAnyselecting from information_schema.columns is disproportionately slow
419252009-01-07
15:43		2022-12-04
20:45		MySQL Server: Information schemaVerified
(5809 days)		S35.6.30, 5.7.12, 8.0.0AnyAnyWarning 1366 Incorrect string value: ... for column processlist.info
438182009-03-24
4:05		2011-02-27
3:11		MySQL Server: Information schemaClosed
(5029 days)		S55.1.32Any (MS Windows, Linux)AnyLOJ on I_S too slow
328372007-11-29
5:33		2007-11-29
12:00		MySQL Server: Information schemaDuplicate
(6215 days)		S55.0.50Windows (Vista)AnyI_S Querys take too long
803012016-02-08
11:23		2016-02-19
16:50		MySQL Server: InnoDB storage engineClosed
(3213 days)		S3AnyAnyleaksanitizer detects memory leaks in tde tests
807722016-03-17
1:34		2016-06-18
21:36		MySQL Server: InnoDB storage engineClosed
(3115 days)		S25.7.8+,8.0.0, 5.7.11, 5.7.13AnyAnyExcessive memory used in memory/innodb/os0file starting 5.7.8
1050282021-09-24
4:45		2021-09-24
5:29		MySQL Server: InnoDB storage engineVerified
(1167 days)		S38.0.26AnyAnymemory leak caused by recv_sys->saved_recs during recovery
1148292024-04-30
21:15		2024-06-06
9:21		MySQL Server: InnoDB storage engineVerified
(215 days)		S38.0AnyAnyScoped_heap incorrect usage may have memory leak
156532005-12-10
11:24		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5283 days)		S24.1, 5.0Any (All)AnySlow inserts to InnoDB if many thousands of .ibd files
211122006-07-18
12:47		2006-09-13
17:57		MySQL Server: InnoDB storage engineClosed
(6657 days)		S35.0Any (All)AnyInnoDB slow with > 100,000 .ibd files
259562007-01-30
21:57		2007-02-05
14:30		MySQL Server: InnoDB storage engineClosed
(6512 days)		S35.0.27-community-ntWindows (Win 2000 SP 4)AnyCreate Table with Multiple keys are not created
399392008-10-08
18:38		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5282 days)		S25.xAnyAnyDROP TABLE/DISCARD TABLESPACE takes long time in buf_LRU_invalidate_tablespace()
455592009-06-17
15:59		2011-02-16
23:44		MySQL Server: InnoDB storage engineDuplicate
(5647 days)		S35.1.32, 5.1.35AnyAnyInnoDB Query not using indexes properly?
547282010-06-23
9:50		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5216 days)		S33.23, 4.0, 4.1, 5.0, 5.1, 5.5AnyAnyUnnecessary overhead in the 64-bit "dulint" struct type
582342010-11-16
16:26		2014-02-26
12:47		MySQL Server: InnoDB storage engineVerified
(4735 days)		S55.1.49-r1, 5.5.20AnyAnyLENGTH() / OCTET_LENGTH() on BLOB field very slow
596832011-01-23
21:58		2012-02-13
3:40		MySQL Server: InnoDB storage engineClosed
(4678 days)		S35.5+AnyAnyInnoDB latch deadlock detector/violation debug code is very slow
671752012-10-10
9:08		2013-01-14
17:18		MySQL Server: InnoDB storage engineDuplicate
(4342 days)		S35.6.7 AnyAnyrecovery is very very slow in buf_flush_single_page_from_LRU
687252013-03-20
8:30		2016-03-24
11:28		MySQL Server: InnoDB storage engineVerified
(3177 days)		S5allAnyAnyUNIV_MEM_DEBUG needlessly slow, especially with UNIV_ZIP_DEBUG
744722014-10-21
6:45		2015-04-29
12:33		MySQL Server: InnoDB storage engineClosed
(3507 days)		S55.7.5AnyAnyddl like add index is very slow in 5.7.5
761822015-03-05
21:42		2015-06-04
18:34		MySQL Server: InnoDB storage engineClosed
(3473 days)		S25.7.6, 5.7.7LinuxAnyThe new created tablespace is not reported in the INFORMATION_SCHEMA
767502015-04-20
8:34		2018-02-12
15:46		MySQL Server: InnoDB storage engineVerifiedS35.5.44AnyAnyinnodb History list length (trx_rseg_history_len) never reaches 0
935302018-12-08
20:23		2020-12-06
17:24		MySQL Server: InnoDB storage engineDuplicate
(1462 days)		S35.7.23, 5.7.24AnyAnyALTER TABLE DROP INDEX is very slow
997172020-05-28
7:47		2024-01-08
10:38		MySQL Server: InnoDB storage engineVerified
(1338 days)		S58.0AnyAnyPeformance regression of parallel count
1009662020-09-27
3:46		2020-11-16
15:35		MySQL Server: InnoDB storage engineClosed
(1479 days)		S2MySQL8.0.18, 8.0.21Any (rhel-7.4)Any (intel x86)select count(*) works very slow for uncommitted data
1046192021-08-13
14:45		2022-09-01
5:55		MySQL Server: InnoDB storage engineVerified
(1206 days)		S38.0AnyAnylong MVCC snapshots will cause commit stalls via GTID persistor periodic compres
1046592021-08-18
22:19		2023-06-26
20:04		MySQL Server: InnoDB storage engineVerified
(527 days)		S28.0.26, 5.7.35AnyAnySelect * reporting less rows_examined than only fields in an index.
1066042022-03-01
3:43		2022-03-01
8:01		MySQL Server: InnoDB storage engineVerified
(1009 days)		S55.7.37LinuxAnyContribution by Tencent Cloud-Native Database team: Purge suspend forever
1085862022-09-23
7:51		2023-03-19
16:53		MySQL Server: InnoDB storage engineVerified
(800 days)		S38.0.30Linux (below 3.15)AnyContribution By Tencent: WL#12527 cause slow startup in Linux < 3.15
1129642023-11-04
1:54		2024-09-27
9:44		MySQL Server: InnoDB storage engineVerified
(394 days)		S58.0, 8.0.35AnyAnySELECT COUNT is slow with O_DIRECT
1134822023-12-21
9:23		2024-06-24
20:52		MySQL Server: InnoDB storage engineClosed
(163 days)		S58.0.35, 8.2.0AnyAnyinnodb_parallel_read_threads>1 makes simple select count more expensive
158152005-12-16
23:18		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5282 days)		S24.0.27,4.1, 5.0, 5.1Linux (Linux x86_64)AnyVery poor performance with multiple queries running concurrently
243862006-11-17
10:53		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5282 days)		S25.0, 5.1Any (all)AnyPerformance degradation caused by instrumentation in mutex_struct
421012009-01-14
9:27		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5281 days)		S35.1AnyAnyRace condition in innodb_commit_concurrency
532042010-04-27
14:17		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5216 days)		S35.1+WindowsAnyos_fastmutex_trylock is implemented incorrectly on Windows
557162010-08-03
15:02		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5164 days)		S5AnyAnyCHECK TABLES should not perform check on entire adaptive hash index
569332010-09-22
13:26		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5109 days)		S25.5AnyAnyInnoDB does more writes in 5.5 than in 5.1 on buffer pool challenged workloads
589122010-12-14
9:15		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5076 days)		S3allAnyAnyInnoDB unnecessarily avoids update-in-place on column prefix indexes
589742010-12-16
13:43		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5068 days)		S5mysql-5.5-innodbAnyAnyha_innobase:info() tries to lock some latches even if HA_STATUS_NO_LOCK is given
601282011-02-15
7:22		2018-09-23
20:45		MySQL Server: InnoDB storage enginePatch queued
(5041 days)		S3AnyAnyAdd performance schema instrumentation on os_fast_mutex
617352011-07-04
11:30		2011-07-08
6:02		MySQL Server: InnoDB storage engineVerified
(4898 days)		S35.1, etcAnyAnyindex->lock held while preads are done
653592012-05-18
12:41		2012-05-30
17:01		MySQL Server: InnoDB storage engineDuplicate
(4571 days)		S25.1.62LinuxAnybad select performance
681712013-01-24
15:33		2013-07-08
13:18		MySQL Server: InnoDB storage engineClosed
(4167 days)		S35.6.9-rcAnyAnyImprove documentation of how InnoDB tables can be copied between instances
685442013-03-01
19:52		2013-03-02
14:36		MySQL Server: InnoDB storage engineVerified
(4295 days)		S35.5AnyAnyAbility to support multiple buffer pools with per-table assignment
685742013-03-05
13:42		2021-08-13
10:40		MySQL Server: InnoDB storage engineClosed
(1209 days)		S35.5.30, 5.6.16Windows (win7 sp1 ent)AnyNo instrumentation for InnoDB files in P_S on windows
685882013-03-06
22:00		2019-08-27
15:11		MySQL Server: InnoDB storage engineClosed
(4244 days)		S55.6.10AnyAnyremove most calls to os_thread_sleep from innodb
691792013-05-09
4:22		2013-09-23
15:08		MySQL Server: InnoDB storage engineDuplicate
(4090 days)		S25.6.11, 5.5.31, 5.6.13AnyAnyaccessing information_schema.partitions causes plans to change
692362013-05-14
22:12		2016-03-31
12:22		MySQL Server: InnoDB storage engineVerified
(3382 days)		S55.6.11AnyAnyperformance regressions for single-threaded workloads, part 2
694222013-06-07
9:18		2014-02-03
11:41		MySQL Server: InnoDB storage engineClosed
(4006 days)		S55.6.12AnyAnysmall performance impact with heap block debugging info in release builds
710142013-11-26
14:25		2014-05-31
13:52		MySQL Server: InnoDB storage engineClosed
(3900 days)		S3All VersionAnyAnytwo many times of memset decreate the performance under heavy insert
721232014-03-25
14:12		2017-10-04
3:52		MySQL Server: InnoDB storage engineVerified
(3905 days)		S35.6, 5.6.18AnyAnySpurious lock_wait_timeout_thread wakeup in lock_wait_suspend_thread()
729482014-06-11
3:44		2018-07-30
17:32		MySQL Server: InnoDB storage engineClosed
(2319 days)		S35.6AnyAnylock_table can be optimized if updating the same table concurrently
742802014-10-08
16:41		2014-10-10
13:50		MySQL Server: InnoDB storage engineVerified
(3708 days)		S55.7.5AnyAnycovering secondary scans worse than PK scan at high concurrency
742832014-10-08
17:00		2020-11-23
7:43		MySQL Server: InnoDB storage engineVerified
(2746 days)		S55.7.5AnyAnyNon-covering secondary index scans degrade more in 5.7 than 5.6
743252014-10-10
19:26		2015-05-22
13:02		MySQL Server: InnoDB storage engineClosed
(3484 days)		S55.7.5AnyAnyupdates to indexed column much slower in 5.7.5
744082014-10-15
19:52		2018-07-04
15:16		MySQL Server: InnoDB storage engineVerified
(2345 days)		S55.6, 5.7, 8.0AnyAnysrv_conc_enter_innodb() is not optimal
748322014-11-13
5:54		2017-10-01
13:59		MySQL Server: InnoDB storage engineClosed
(3256 days)		S35.7.7AnyAnyut_delay missing compiler barrier, UT_RELAX_CPU isn't at all relaxing
759812015-02-20
13:56		2017-11-05
7:12		MySQL Server: InnoDB storage engineVerified
(3527 days)		S55.7.6AnyAnyMySQL 5.7.5 30% slower than 5.6.23 for 1 thread write
770942015-05-19
13:13		2018-10-09
14:11		MySQL Server: InnoDB storage engineClosed
(3025 days)		S35.7.7AnyAnyReduce log_sys->mutex contention by allowing concurrent mtr commit and log write
835282016-10-25
13:06		2016-12-02
14:58		MySQL Server: InnoDB storage engineDuplicate
(2924 days)		S38.0AnyAnyInnoDB mutex bs: periodic waiters wakeup
835682016-10-27
9:54		2018-02-23
0:44		MySQL Server: InnoDB storage engineVerified
(2928 days)		S58.0AnyARMInnoDB memory barriers bs
853042017-03-04
8:26		2017-09-02
12:52		MySQL Server: InnoDB storage engineVerified
(2650 days)		S35.7AnyAnyReduce mutex contention of fil_system->mutex
859992017-04-19
9:14		2017-04-19
9:56		MySQL Server: InnoDB storage engineVerified
(2786 days)		S55.7.17AnyAnyOptimize zlib 's fill_window with SIMD instructions
878272017-09-21
14:09		2023-11-02
6:39		MySQL Server: InnoDB storage engineClosed
(2511 days)		S58.0.3AnyAnyPerformance regression in "create table" speed and scalability in 8.0.3
879332017-10-02
4:06		2018-12-12
21:04		MySQL Server: InnoDB storage engineVerified
(2184 days)		S25.7.19CentOSARMScalibility issue on Arm platform with the current UT_RELAX_CPU () code.
884222017-11-09
12:20		2024-11-28
16:41		MySQL Server: InnoDB storage engineVerified
(2577 days)		S25.7.19AnyAnyMySQL 5.7 innodb purge thread get oldest readview could block other transaction
895512018-02-06
9:27		2020-02-12
14:10		MySQL Server: InnoDB storage engineVerified
(2493 days)		S35.7.21, 8.0.4AnyAnySpatial index query time performance scales linearly
918372018-07-31
4:35		2018-07-31
12:43		MySQL Server: InnoDB storage engineVerified
(2318 days)		S38.0.11, 8.0.12, 5.7.23AnyAnyIS.innodb_trx results filtered by trx_started depends on timezone
943702019-02-18
3:19		2019-02-27
10:16		MySQL Server: InnoDB storage engineVerified
(2116 days)		S38.0AnyAnyPerformance regression of btr_cur_prefetch_siblings
953902019-05-16
9:57		2019-05-16
13:53		MySQL Server: InnoDB storage engineVerified
(2029 days)		S58.0.16AnyAnywake up log_closer background thread in log_wait_for_space_in_log_recent_closed
954912019-05-23
11:23		2019-06-05
11:48		MySQL Server: InnoDB storage engineVerified
(2012 days)		S5ALLAnyAnyThe unused wake up in simulator AIO of function reserve_slot
994322020-05-04
8:09		2020-05-05
12:04		MySQL Server: InnoDB storage engineVerified
(1675 days)		S58.0.20AnyARMImproving memory barrier during rseg allocation
1008112020-09-11
9:22		2020-09-11
13:25		MySQL Server: InnoDB storage engineDuplicate
(1545 days)		S58.0.20Oracle LinuxAnyperformance degradation in MySQL-8.0 vs MySQL-5.7 in simple DML operations.
1059262021-12-17
8:41		2021-12-17
10:53		MySQL Server: InnoDB storage engineDuplicate
(1083 days)		S58.0.18AnyAnyQuery information_schema.processlist has performance impact on normal queries
1077002022-06-29
11:18		2024-06-13
20:13		MySQL Server: InnoDB storage engineClosed
(174 days)		S58.0.29AnyAnyPerformance of Temptable is worse than Memory in GROUP BY scenario
1106002023-04-04
8:55		2023-04-04
9:28		MySQL Server: InnoDB storage engineVerified
(610 days)		S58.0.32AnyAnyoptimize for page flush
1106062023-04-04
10:16		2023-04-17
8:24		MySQL Server: InnoDB storage engineVerified
(597 days)		S58.0LinuxARM (aarch64)Improve crc32c code for arm64
1113532023-06-11
22:04		2024-11-12
15:27		MySQL Server: InnoDB storage engineVerified
(540 days)		S28.0, 8.0.33AnyAny3x Performance Regression from 5.7 to 8.0 on ALTER TABLE FORCE.
1144682024-03-24
21:51		2024-04-10
8:34		MySQL Server: InnoDB storage engineVerified
(254 days)		S58.3.0, 8.0.36AnyAnyInconsistent table performance: fresh data import vs after optimization
1151072024-05-23
18:54		2024-10-17
10:42		MySQL Server: InnoDB storage engineVerified
(48 days)		S55.7, 8.0AnyAnyOptimization in row_purge_poss_sec Function for Undo Purge Process
1153992024-06-21
3:40		2024-10-30
1:35		MySQL Server: InnoDB storage engineClosed
(35 days)		S58.x, 8.0.37, 8.4.0AnyAnyperformance deterioration caused by incorrect cpu usage statistics
1160052024-09-04
23:43		2024-09-12
1:20		MySQL Server: InnoDB storage engineVerified
(89 days)		S5all versionsAnyAnyWith NUMA and Read Committed, performance worsens under high concurrency.
1164632024-10-23
20:38		2024-10-24
12:29		MySQL Server: InnoDB storage engineVerified
(41 days)		S58.0AnyAnybehavior related to innodb_spin_wait_delay changed in 8.0.30
688142013-03-29
15:33		2015-04-23
6:14		MySQL Server: InnoDB storage engineVerified
(3513 days)		S35.6.10Any (Centos 6.3)AnyMySQL optimizer consider few rows to examine but it is not really obvious why
715072014-01-29
12:51		2024-05-30
12:20		MySQL Server: InnoDB storage engineVerifiedS55.7AnyAnyinnodb is excessively slow to replace duplicate values in a table
782622015-08-28
15:19		2015-12-07
18:51		MySQL Server: InnoDB storage engineClosed
(3285 days)		S55.6.26Any (CentOS release 6.6)AnyAdding indexes on empty table is slow with large innodb_sort_buffer_size.
937342018-12-24
18:44		2024-01-29
11:07		MySQL Server: InnoDB storage engineClosed
(394 days)		S5Ubuntu (18.04)x86MySQL 8.0 is 36 times slower than MySQL 5.7
1121372023-08-22
13:48		2024-07-03
10:38		MySQL Server: InnoDB storage engineClosed
(265 days)		S58.0.33, 8.0.34AnyAnyparallel read is slow when innodb_use_native_aio = off
1141542024-02-28
9:57		2024-07-02
19:29		MySQL Server: InnoDB storage engineClosed
(173 days)		S58.0.36AnyAnyParallel read is slow after parition table is read in parallel
981322020-01-06
10:55		2022-01-04
12:51		MySQL Server: InnoDB storage engineVerified
(1793 days)		S25.6, 5.7, 8.0, 5.7.28, 8.0.18AnyAnyAnalyze table leads to empty statistics during online rebuild DDL
1032132021-04-06
5:13		2024-01-08
10:39		MySQL Server: InnoDB storage engineDuplicate
(1338 days)		S58.0.17 - 8.0.23AnyAnyPoor performance while executing 'select count(*)' on a table
1074732022-06-03
3:34		2022-08-24
7:29		MySQL Server: InnoDB storage engineVerified
(833 days)		S38.0.23, 8.0.29CentOSAnyUpdating BLOB column slows down purge and causes high trx_rseg_history_len
1135052023-12-24
18:23		2024-09-18
0:14		MySQL Server: InnoDB storage engineClosed
(77 days)		S58.0.35AnyAnyPerformance schema counter increments make parallel index create slow
54362004-09-06
19:10		2005-05-06
8:58		MySQL Server: InnoDB storage engineClosed
(7152 days)		S3allAny (all)AnySHOW INNODB STATUS is unusable with a lot of concurrent connections
121252005-07-22
22:59		2005-07-26
21:40		MySQL Server: InnoDB storage engineClosed
(7071 days)		S14.1.13MacOS (OS X 10.4.2)AnyMassive Disk I/O Degradation under 4.1.13 in OS X
201132006-05-28
15:51		2016-01-03
20:45		MySQL Server: InnoDB storage engineDuplicate
(6762 days)		S55.0.21Linux (Fedora Core5)AnyPerformance degredation on 8 way system ( 4x Opteron 875's )
369412008-05-25
11:58		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5281 days)		S35.0-bk, 5.1-bkAnyAnyPerformance problem in ha_print_info (SHOW INNODB STATUS)
369422008-05-25
12:28		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5281 days)		S35.0,5.1AnyAnyPerformance problem in lock_get_n_rec_locks (SHOW INNODB STATUS)
549142010-06-30
13:08		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5153 days)		S55.5.5AnyAnyInnoDB: performance drop with innodb_change_buffering=all
591632010-12-24
17:20		2012-01-05
0:37		MySQL Server: InnoDB storage engineClosed
(4717 days)		S25.5.8AnyAnySingle user session performance in InnoDB
665872012-08-28
23:04		2013-05-23
16:55		MySQL Server: InnoDB storage engineClosed
(4213 days)		S35.6.7AnyAnyBehavior of read-only transactions differs from documentation
690292013-04-22
3:04		2013-04-25
4:55		MySQL Server: InnoDB storage engineClosed
(4241 days)		S55.6.12AnyAnyArbitrary flushing performance limitation is bad
727032014-05-21
6:46		2014-08-06
14:57		MySQL Server: InnoDB storage engineClosed
(3779 days)		S3AnyAnypage cleaner should be multi-threaded also for recovery and shutdown
737632014-08-28
21:47		2016-10-26
15:20		MySQL Server: InnoDB storage engineIn progress
(2961 days)		S55.7AnyAnyNew futex-mutex in InnoDB needs perf attention
766272015-04-09
3:44		2018-12-03
3:24		MySQL Server: InnoDB storage engineClosed
(3481 days)		S55.5.24, 5.6.24Linux (CentOS6.5)AnyMySQL/InnoDB mix buffered and direct IO
767282015-04-17
4:48		2016-06-07
8:56		MySQL Server: InnoDB storage engineClosed
(3106 days)		S35.7.7AnyAnyreduce lock_sys->mutex contention for transaction that only contains SELECT
770922015-05-19
12:16		2016-02-04
18:41		MySQL Server: InnoDB storage engineClosed
(3465 days)		S35.7.6AnyAnyDocument potential benefits of InnoDB General Tablespaces
809792016-04-06
14:25		2022-01-17
9:31		MySQL Server: InnoDB storage engineVerified
(3163 days)		S35.7AnyAnyDoublewrite buffer event waits should be annotated for Performance Schema
825242016-08-10
8:36		2016-08-25
8:22		MySQL Server: InnoDB storage engineVerified
(3023 days)		S55.6, 5.6.32, 5.7.14Ubuntu (16.04)AnySignificant innodb load performance regression since version 5.5
906042018-04-24
13:50		2018-04-25
4:41		MySQL Server: InnoDB storage engineVerified
(2415 days)		S55.7CentOSAnyut_rnd_ulint_counter () : Default delay for spin wait gives better performance
914852018-06-29
6:32		2018-07-20
17:10		MySQL Server: InnoDB storage engineClosed
(2329 days)		S55.7.22, 8.0.11AnyAnyut_crc32_hw() checks ut_crc32_cpu_enabled on each call
959342019-06-23
17:13		2019-07-05
8:17		MySQL Server: InnoDB storage engineAnalyzing
(1979 days)		S58.0.*AnyAnyinnodb_flush_log_at_trx_commit = 0 get performance regression on 8 core machine
960712019-07-02
10:43		2022-07-19
13:12		MySQL Server: InnoDB storage engineVerified
(1638 days)		S38.0.16AnyAnyTempTable engine uses much more memory than MEMORY engine for temporary table
965042019-08-12
4:42		2019-08-12
18:21		MySQL Server: InnoDB storage engineVerified
(1941 days)		S58.0AnyARMRefine atomics and barriers for weak memory order platform
985462020-02-11
6:38		2020-02-12
15:20		MySQL Server: InnoDB storage engineVerified
(1757 days)		S58, 5.7AnyAnyTransient indexes statistics are updated in foreground causing performance issue
991182020-03-31
5:20		2020-11-04
15:43		MySQL Server: InnoDB storage engineClosed
(1491 days)		S58.0.19LinuxARMARM CRC32 intrinsic call to accelerate table-checksum (not crc32c but crc32)
995932020-05-15
16:05		2024-05-28
3:21		MySQL Server: InnoDB storage engineClosed
(1654 days)		S58.0.20Ubuntu (20.04)AnyPerformance issues in 8.0.20
999662020-06-24
8:12		2020-06-30
12:45		MySQL Server: InnoDB storage engineVerified
(1618 days)		S58.0.20AnyARMSwitching to use NUMA-SMART Counter for statistical counters
1001822020-07-10
13:35		2020-07-13
12:40		MySQL Server: InnoDB storage engineVerified
(1608 days)		S58.0.20AnyARMImproving performance of 'row_mysql_store_col_in_innobase_format'
1022892021-01-19
6:06		2021-01-20
13:32		MySQL Server: InnoDB storage engineVerified
(1414 days)		S55.7, 8.0AnyAnybuf_flush_or_remove_pages causes large tps fluctuation with write-heavy workload
1047792021-08-31
9:38		2021-08-31
10:02		MySQL Server: InnoDB storage engineVerified
(1191 days)		S58.0.19AnyAnyno need to own sx-latch during the period of page flusing for BUF_FLUSH_LRU
1049672021-09-17
10:04		2021-11-19
19:40		MySQL Server: InnoDB storage engineClosed
(1111 days)		S58.0.26 AnyAnyThe fuction buf_validate() affects performance seriously and can be optimized
1094172022-12-16
23:30		2022-12-17
15:30		MySQL Server: InnoDB storage engineVerified
(718 days)		S58.0.31AnyAnyBad performance by call btr_drop_ahi_for_table within dict sys_mutex protection
1106442023-04-10
6:16		2023-04-13
9:56		MySQL Server: InnoDB storage engineVerified
(601 days)		S58.0LinuxARM (aarch64)innobase: optimize hash_uint64 with hardware crc on Arm
1131782023-11-22
9:09		2024-02-19
11:23		MySQL Server: InnoDB storage engineClosed
(295 days)		S58.0, 8.0.35AnyAnyTemptable engine leads to performance degradation
1161982024-09-23
10:51		2024-09-30
8:57		MySQL Server: InnoDB storage engineVerified
(67 days)		S58.0AnyAnyAddressing the compatibility issues of the CATS algorithm in NUMA scenarios.
1165312024-11-01
17:02		2024-11-05
13:26		MySQL Server: InnoDB storage engineVerified
(30 days)		S58.0Linuxx86Performance regressions from the diff that adds instant add and drop column
182522006-03-15
10:36		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5282 days)		S25.0.3 and laterAny (all)AnyDisk space leak in updates of InnoDB BLOB rows in 5.0 and 5.1
366132008-05-09
5:33		2016-01-03
20:45		MySQL Server: InnoDB storage engineDuplicate
(6035 days)		S25.1.24AnyAnyCreating many tables with many columns in innodb leads to out of memory
459922009-07-07
8:15		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5281 days)		S35.4.2-debugLinux (32-bit fc8)Anyinnodb memory not freed after shutdown
547642010-06-24
8:19		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5195 days)		S35.5.5, innodb 1.1.1AnyAnymemory allocated in os_aio_array_create is not freed at shutdown
1153282024-06-14
2:13		2024-07-06
14:02		MySQL Server: InnoDB storage engineAnalyzing
(169 days)		S58.4.0Red Hat (Rocky Linux 8.8)x86Poor write performance due to new default value of innodb_doublewrite_pages
867052017-06-15
2:25		2018-08-30
11:04		MySQL Server: InnoDB storage engineVerified
(2722 days)		S25.5.45, 5.5.56Linux (MySQL OOM because of memory leak)AnyMemory leak of Innodb
1084302022-09-08
13:52		2023-01-16
3:10		MySQL Server: InnoDB storage engineVerified
(722 days)		S58.0.29Oracle Linux (Oracle Linux Server release 7.9 3.10.0-1160.76.1.0.1.el7.x86_64)x86 ( Intel(R) Xeon(R) CPU E5-2630 v3 )performance degradation of DML operations comparing with MySQL 5.7
180542006-03-08
2:04		2007-01-16
16:08		MySQL Server: InnoDB storage engineClosed
(6532 days)		S15.0.18Miracle Linux ver4 (kernel 2.6)AnySevere performance degradation when Hyperthreading is on
1037432021-05-19
21:07		2022-01-03
6:51		MySQL Server: InnoDB storage engineClosed
(1066 days)		S28.0.18, 8.0.25CentOSx86slow mysql8 start with lots of _encrypted_ tables
1095392023-01-05
6:09		2024-05-20
10:00		MySQL Server: InnoDB storage engineClosed
(264 days)		S58.0AnyAnyPerformance of scanning data_lock_waits worse than expected with read-only trx
959332019-06-23
16:06		2024-08-23
11:05		MySQL Server: InnoDB storage engineClosed
(103 days)		S28.0.16Anyx86Performance regression of MySQL8.0 on 8 core environment
931652018-11-12
15:11		2018-11-26
21:02		MySQL Server: InnoDB storage engineVerified
(2200 days)		S35.7.23, 5.7.24AnyAnyMemory leak in sync_latch_meta_init() after mysqld shutdown detected by ASan
71502004-12-10
0:18		2005-01-14
13:52		MySQL Server: InnoDB storage engineClosed
(7264 days)		S34.1Linux (Linux)AnyInnoDB TRUNCATE can get very slow
1030342021-03-18
9:29		2021-03-18
13:35		MySQL Server: InnoDB storage engineVerified
(1357 days)		S58.0AnyAnynew undo log purge strategy purge record too slow on single table
835322016-10-25
14:11		2018-02-18
18:29		MySQL Server: InnoDB storage engineVerified
(2928 days)		S38.0AnyARMInnoDB mutex bs: memory barriers
902092018-03-24
21:19		2023-11-06
11:33		MySQL Server: InnoDB storage engineVerified
(1926 days)		S58.0, 8.0.17AnyAnyPerformance regression with > 15K tables in MySQL 8.0 (with general tablespaces)
996382020-05-20
0:53		2020-12-04
12:54		MySQL Server: InnoDB storage engineClosed
(1462 days)		S58.0.18AnyAnyxa transaction with low performance
1005372020-08-15
8:11		2024-09-19
9:44		MySQL Server: InnoDB storage engineClosed
(76 days)		S58.0.21Ubuntu (18.04 LTS)x86Performance degradation caused by monitoring sys.innodb_lock_waits in MySQL 8.0
381532008-07-15
22:13		2014-02-28
18:58		MySQL Server: InnoDB storage engineVerified
(3932 days)		S55.0.66, 5.1.34, 5.6.16AnyAnymysql-bench: slowdown for update_of_primary_key_many_keys test
556812010-08-02
10:43		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5104 days)		S2trunkAnyAnyMTR slowdown after default storage engine was changed to InnoDB
680772013-01-14
3:37		2013-04-03
11:33		MySQL Server: InnoDB storage engineClosed
(4263 days)		S55.6AnyAnyMixing 4K/16K blocks increases 8K free blocks and holds buf pool mutex longer
876212017-08-31
9:45		2017-09-28
9:11		MySQL Server: InnoDB storage engineVerified
(2648 days)		S35.6.37, 5.7.19AnyAny Huge InnoDB slowdown when selecting strings without indexes
611882011-05-16
16:43		2011-11-02
16:32		MySQL Server: InnoDB storage engineClosed
(4781 days)		S35.5.12-logLinux (CentOS release 5.3 (Final))AnyDROP TABLE extremely slow
955822019-05-31
5:02		2019-06-21
13:41		MySQL Server: InnoDB storage engineVerified
(1993 days)		S38.0.16, 5.7.26AnyAnyDDL using bulk load is very slow under long flush_list
1019002020-12-08
3:21		2024-01-30
6:39		MySQL Server: InnoDB storage engineVerified
(1457 days)		S28.0.21Linux (7.6)AnyAdd partition is slow
978222019-11-27
23:58		2020-01-28
2:23		MySQL Server: InnoDB storage engineClosed
(1772 days)		S55.7.28Linux (Centos7)Anybuf_page_get_gen buf_pool->stat.n_page_gets++ is a cpu waste
183842006-03-21
8:14		2011-02-16
23:43		MySQL Server: InnoDB storage engineClosed
(5282 days)		S25.0.3 and laterAny (All)AnyInnoDB memory leak on duplicate key errors in 5.0 if row has many columns
574802010-10-15
11:19		2014-09-13
16:19		MySQL Server: InnoDB storage engineClosed
(4717 days)		S25.1, 5.0AnyAnyMemory leak when having 256+ tables
649872012-04-15
20:13		2014-08-15
20:09		MySQL Server: InnoDB storage engineDuplicate
(4583 days)		S35.6.6AnyAnyMemory leak in mysql-5.6.6-labs-april-2012
918602018-08-01
20:51		2018-08-02
6:28		MySQL Server: InnoDB storage engineDuplicate
(2316 days)		S25.7.22AnyAnyThe buf_LRU_free_page function may leak some memory in a particular scenario
1115702023-06-26
20:03		2023-06-28
0:31		MySQL Server: InnoDB storage engineVerified
(525 days)		S38.0.33, 5.7.42AnyAnyLooking for inexistent data reports 0 rows examined
545632010-06-16
19:19		2011-02-16
23:44		MySQL Server: InnoDB storage engineClosed
(5284 days)		S35.5.5preAnyAnyInnoDB: Performance drop in varios sysbench tests
563322010-08-27
18:17		2013-07-07
11:39		MySQL Server: InnoDB storage engineClosed
(4168 days)		S35.0.87, 5.0.91AnyAnyPerformance regression in DROP TABLE performance post 5.0.77
579812010-11-04
14:57		2012-02-13
3:42		MySQL Server: InnoDB storage engineClosed
(4678 days)		S35.5.7-m3SolarisAnyUNIV_DEBUG causes big performance degradation for some operations on Solaris
807372016-03-14
21:24		2016-03-17
0:14		MySQL Server: InnoDB storage engineClosed
(3185 days)		S35.7AnyAny"How MySQL Uses Memory" is myisam centric
1005122020-08-13
9:17		2023-03-03
14:14		MySQL Server: InnoDB storage engineClosed
(932 days)		S55.7.31,8.0.21Linux (3.10.107)x86 (96 cores)adaptive hash index(AHI) building causing contention on btr_search_latches
1115942023-06-28
8:21		2024-11-07
14:48		MySQL Server: InnoDB storage engineVerified
(441 days)		S38.0AnyAnySome Scalability Issues in Specific Scenarios
1127672023-10-19
6:07		2024-04-17
22:38		MySQL Server: InnoDB storage engineClosed
(292 days)		S58.0.34, 8.0.35AnyAnySELECT COUNT(*) degraded performance on 8.0 compared to 5.7
818042016-06-10
12:35		2019-07-02
10:59		MySQL Server: InnoDB storage engineVerified
(3096 days)		S25.7.13AnyAnyMemory leak or bug in P_S instrumentation for InnoDB threads
19422003-11-25
1:13		2004-03-17
9:43		MySQL Server: InnoDB storage engineClosed
(7567 days)		S24.0.16Linux (Linux)AnySlow queries with "order by"
591432010-12-24
0:13		2017-05-14
20:45		MySQL Server: InnoDB Plugin storage engineDuplicate
(5066 days)		S25.1.52, 5.5, 5.6AnyAnyvalgrind leak warning from innodb_plugin.innodb-index for mysql 5.1.52
632762011-11-16
0:19		2013-07-30
14:25		MySQL Server: InnoDB Plugin storage engineClosed
(4145 days)		S55.1.52, 5.1.60AnyAnyskip sleep in srv_master_thread when shutdown is in progress
521022010-03-16
16:20		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5103 days)		S55.0, 5.1, 5.5.5m3Windows (Any)AnyInnoDB Plugin shows performance drop compared to InnoDB (Windows)
592142010-12-29
15:45		2011-05-05
23:48		MySQL Server: InnoDB Plugin storage engineClosed
(4962 days)		S55.1,5.5AnyAnyincrease rate limit for insert buffer prefetch reads
613412011-05-28
15:37		2012-01-05
20:15		MySQL Server: InnoDB Plugin storage engineClosed
(4717 days)		S55.1.52AnyAnybuf_LRU_insert_zip_clean can be O(N) on LRU length
614562011-06-09
7:40		2012-10-18
22:40		MySQL Server: InnoDB Plugin storage engineClosed
(4430 days)		S55.1.52AnyAnyOptimistic Insert/Update uses wrong heuristics for compressed page size
658862012-07-12
19:24		2012-12-24
19:11		MySQL Server: InnoDB Plugin storage engineClosed
(4363 days)		S55.1.52, 5.1.64AnyAnyis the call to ibuf_merge_or_delete_for_page from buf_page_get_gen redundant?
701392013-08-23
16:03		2014-06-23
9:17		MySQL Server: InnoDB Plugin storage engineClosed
(3817 days)		S55.1.72WindowsAnyPerformance of "ALTER TABLE..." queries
858192017-04-06
3:04		2018-02-18
18:29		MySQL Server: InnoDB Plugin storage engineVerified
(2798 days)		S55.7LinuxARMOptimize AARCH64 CRC32c implementation
350772008-03-05
12:13		2011-02-16
23:43		MySQL Server: InnoDB Plugin storage engineClosed
(5282 days)		S35.1.42AnyAnyVery slow DROP TABLE (ALTER TABLE, OPTIMIZE TABLE) on compressed tables
535722010-05-11
16:09		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5277 days)		S11.1.0AnyAnyslow shutdown does not wait for the purge thread to purge everything
536542010-05-14
16:12		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5259 days)		S21.0, 1.1AnyAnyafter 2nd shutdown innodb_file_format_check attains strange values
641812012-01-31
14:41		2012-02-09
12:20		MySQL Server: InnoDB Plugin storage engineVerified
(4687 days)		S55.1.52, 5.1.61AnyAnyunzip_LRU length management might need to be updated for SSD
491692009-11-27
16:09		2013-02-28
13:27		MySQL Server: InnoDB Plugin storage engineClosed
(4297 days)		S55.0,5.1,5.1 pluginAnyAnyread_view_open_now is inefficient with many concurrent sessions
525882010-04-05
2:45		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5264 days)		S25.5.4/iplugin1.1AnyAnyInnoDB: performance regression in sysbench OLTP_RW test
528062010-04-14
6:32		2024-05-06
13:49		MySQL Server: InnoDB Plugin storage engineClosed
(212 days)		S55.1AnyAnyMake InnoDB mutexes green
680222013-01-03
18:00		2013-07-07
11:28		MySQL Server: InnoDB Plugin storage engineClosed
(4168 days)		S15.1,5.5AnyAnyDROP TABLE slow when it decompress compressed-only pages
531652010-04-26
15:15		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5243 days)		S3mysql-5.5AnyAnySetting innodb_change_buffering=DEFAULT produces incorrect result
538522010-05-20
11:14		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5110 days)		S35.1.47/plugin1.0.8AnyAnyInnoDB: Performance drop in SELECT_SUM_RANGES test at higher number of threads
545382010-06-16
1:23		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5104 days)		S35.1.47AnyAnyuse of exclusive innodb dictionary lock limits performance
643402012-02-15
14:07		2013-06-14
15:35		MySQL Server: InnoDB Plugin storage engineVerified
(4191 days)		S55.1.52, 5.1.61AnyAnyrace on no_flush event during buf_flush_free_margin
646732012-03-16
23:14		2012-03-18
17:15		MySQL Server: InnoDB Plugin storage engineVerified
(4645 days)		S55.1AnyAnyInnoDB allocates too many empty pages in ibd files
466562009-08-11
16:13		2011-02-16
23:44		MySQL Server: InnoDB Plugin storage engineClosed
(5282 days)		S35.1Linux (64bit)AnyInnoDB plugin: memory leaks (Valgrind)
822102016-07-13
6:50		2016-11-19
1:57		MySQL Server: JSONClosed
(3058 days)		S38.0.0AnyAnyJSON memory usage missing from the memory summary tables
664732012-08-21
1:49		2016-08-04
0:38		MySQL Server: LockingClosed
(4300 days)		S55.6.6-m9AnyAnyMySQL 5.6.6-m9 has more mutex contention than MySQL 5.1
586892010-12-03
6:02		2012-07-31
1:44		MySQL Server: LockingClosed
(4509 days)		S35.0, 5.1, 5.6.1AnyAnyMyISAM Selects locks inserts inside procedure only
522892010-03-23
2:04		2011-02-16
23:44		MySQL Server: LockingClosed
(5256 days)		S25.5.3pre/5.5.4preAnyAnyperformance regression for MyISAM in sysbench OLTP_RW test
614012011-06-03
17:47		2011-06-16
19:49		MySQL Server: LockingClosed
(4920 days)		S5MySQL 5.5.3+AnyAnyUPDATE performance degrades gradually if a trigger exists
851912017-02-27
6:40		2017-02-28
12:30		MySQL Server: LockingVerified
(2836 days)		S35.7, 5.7.17AnyAnyperformance regression with HANDLER READ syntax
488322009-11-17
11:00		2011-02-16
23:44		MySQL Server: LockingClosed
(5339 days)		S55.0+AnyAnyDisconnection is slow when using non-persistent mysql connections
1066102022-03-01
10:32		2022-04-04
11:34		MySQL Server: LockingVerified
(975 days)		S25.7.33Linuxx86Concurrent INSERT IGNORE in InnoDB table may trigger the database to stall
690302013-04-22
12:55		2013-04-24
11:23		MySQL Server: LockingClosed
(4242 days)		S15.1.66AnyAnyOptimize table locks whole database
530962010-04-23
7:32		2012-08-13
16:18		MySQL Server: LockingClosed
(4496 days)		S55.1.44AnyAnyDisconnection is slow when using non-persistent mysql connections
429302009-02-17
11:44		2012-10-05
16:42		MySQL Server: LockingClosed
(4443 days)		S55.0, 5.1, 6.0AnyAny'show global status' causes lock contention on LOCK_thread_count
530452010-04-22
4:58		2022-12-04
20:45		MySQL Server: LockingVerified
(5340 days)		S55.1.45, 5.5AnyAnyLOCK_thread_count locked when per connection threads created
276382007-04-04
7:28		2007-04-07
18:29		MySQL Server: LoggingClosed
(6451 days)		S35.1.18-bkAnyAnyslow logging to CSV table inserts bad query_time and lock_time values
300002007-07-24
8:11		2007-08-03
2:23		MySQL Server: LoggingClosed
(6333 days)		S35.1.20LinuxAnySHOW commands once again ends up in the slow query log
317002007-10-18
19:44		2007-11-26
18:50		MySQL Server: LoggingClosed
(6218 days)		S35.0, 5.1, 4.1, 5.2 bkAnyAnythd->examined_row_count not incremented for 'const' type queries
327482007-11-27
1:54		2008-05-20
23:15		MySQL Server: LoggingClosed
(6042 days)		S35.1AnyAnyInconsistent handling of assignments to general_log_file/slow_query_log_file
388892008-08-19
11:14		2011-02-16
23:43		MySQL Server: LoggingDuplicate
(5844 days)		S36.0.7-alpha-debugLinux (suse-linux-gnu on i686)AnyAssignment of a variable to "slow_query_log_file" failed.
497562009-12-17
4:39		2011-02-16
23:44		MySQL Server: LoggingClosed
(5165 days)		S35.0.44, 5.1.43AnyAnyRows_examined is always 0 in the slow query log for update statements
635482011-12-02
19:13		2011-12-05
8:06		MySQL Server: LoggingVerified
(4751 days)		S3anyAnyAnydisable logging to slow log session-wise
694202013-06-07
7:18		2013-10-16
15:02		MySQL Server: LoggingClosed
(4067 days)		S55.6.12AnyAnylog_slow_statement could bail out earlier if slow logging is disabled
739742014-09-18
21:41		2015-09-28
19:08		MySQL Server: LoggingClosed
(3355 days)		S35.7.6WindowsAnytrunk - slow query log shows some bogus SET timestamp=4294966218; value
739782014-09-19
10:14		2014-12-01
7:23		MySQL Server: LoggingClosed
(3668 days)		S35.6.15, 5.6.20AnyAnyslow_log table doesn't store fractional time part
889372017-12-15
11:27		2017-12-19
11:51		MySQL Server: LoggingVerified
(2542 days)		S35.6.38, 5.7.20AnyAnymysql client history file grows without bounds, slows down connecting to server
957752019-06-13
2:13		2019-06-13
5:59		MySQL Server: LoggingVerified
(2001 days)		S35.6AnyAnyVersion 5.6 has the wrong format for slow logging time
1055402021-11-12
7:10		2023-06-07
15:17		MySQL Server: LoggingVerified
(1118 days)		S35.7,8.0AnyAnythe incorrect value of start_time field in the system table 'mysql.slow_log'
1073522022-05-20
11:00		2022-05-30
8:22		MySQL Server: LoggingVerified
(919 days)		S38.0.28, 8.0.29AnyAnyROWS_EXAMINED confusing in MySQL 8
1124142023-09-21
13:45		2023-09-28
10:12		MySQL Server: LoggingVerified
(435 days)		S38.0AnyAnylog_slow_admin_statements cause store procedure record dml in slow log
1152852024-06-11
16:56		2024-06-12
14:00		MySQL Server: LoggingVerified
(175 days)		S38.0AnyAnylog_slow_extra duplicates session number in Id and Thread_id
1168142024-11-28
3:43		2024-11-28
9:46		MySQL Server: LoggingVerified
(6 days)		S38.0.40AnyAnyThe mysql.slow_log table uses @@session.time_zone to record time
509542010-02-05
19:46		2022-12-04
20:45		MySQL Server: LoggingVerified
(5415 days)		S3MySQL 5.1.32, 5.1, 5.5.99Linux (Red Hat 4.1.2-44)Anystart_time in slow query log is recording the query end time, not start time
531912010-04-27
9:10		2011-02-16
23:44		MySQL Server: LoggingClosed
(5165 days)		S15.1.45, 5.1.46Any (linux, windows)AnyLock_time in slow log is negative when logging stored routines
648222012-03-31
1:33		2013-03-26
22:27		MySQL Server: LoggingClosed
(4271 days)		S35.1.61, 5.5.20AnyAnyALTER TABLE does not appear in the slow query log
657152012-06-22
19:51		2012-08-23
16:27		MySQL Server: LoggingClosed
(4486 days)		S35.5.25Any (x86_64)AnyWrong connection ID (thread ID) in the general and slow query logs
828702016-09-06
10:07		2018-10-25
12:54		MySQL Server: LoggingVerified
(2518 days)		S35.7.14AnyAnymysqld opens too many descriptors for slow query log
828992016-09-08
3:14		2016-09-08
6:31		MySQL Server: LoggingVerified
(3009 days)		S35.7.14, 5.7.15AnyAnyTrying to turn-off slow_query_log with an active thrd logging slow query ASSERTs
1094822022-12-25
9:33		2022-12-26
4:56		MySQL Server: LoggingVerified
(709 days)		S38.0.27AnyAnyThe mysql slow query log contains invalid content, and the mysql common log file
1108042023-04-25
13:47		2023-04-26
23:03		MySQL Server: LoggingVerified
(588 days)		S38.0.32AnyAnysql as "select count(*) from table" can't be logged in the slow query log.
307122007-08-30
0:00		2007-10-09
0:43		MySQL Server: LoggingClosed
(6266 days)		S25.1AnyAnyopen_performance_schema_table() cause an open table leak on failures
1151602024-05-29
9:52		2024-05-29
12:51		MySQL Server: LoggingVerified
(189 days)		S58.0AnyAnyFix for bug 113187
327382007-11-26
20:05		2011-02-16
23:43		MySQL Server: LoggingClosed
(5501 days)		S35.1, 6.0AnyAnymysqld: Two slow log option/variable descriptions are inaccurate
967222019-09-03
3:19		2019-12-10
6:37		MySQL Server: LoggingVerified
(1821 days)		S35.6.28, 5.6.45, 5.7.27AnyAnyEvent does't record slow insert in slow log
304142007-08-14
17:09		2013-04-23
19:01		MySQL Server: LoggingClosed
(4243 days)		S55.1AnyAnySlowdown (related to logging) in 5.1.21 vs. 5.1.20
980462019-12-21
8:14		2020-01-21
21:34		MySQL Server: LoggingVerified
(1808 days)		S3AllLinuxAnyInconsistent behavior while logging a killed query in the slow query log
232252006-10-12
18:20		2007-03-08
3:16		MySQL Server: LoggingClosed
(6481 days)		S35.1 bkLinux (Linux)AnySlow query log: settiing slow_query_log_file writes to wrong file
1100982023-02-16
11:57		2023-02-16
12:33		MySQL Server: LoggingVerified
(657 days)		S3Ver 8.0.32AnyAnyadd database message into slow log file
896372018-02-13
1:38		2024-06-18
17:45		MySQL Server: LoggingClosed
(2242 days)		S38.0.4AnyAnyContribution by Facebook: Slow Query Log Changes
288082007-05-31
14:00		2007-07-10
22:14		MySQL Server: LoggingClosed
(6357 days)		S35.0.44-BK, 5.0.40, 5.0.34, 5.0.24aLinuxAnylog_queries_not_using_indexes variable dynamic change is ignored
479052009-10-07
23:43		2011-02-16
23:44		MySQL Server: LoggingClosed
(5283 days)		S35.1.39AnyAnystored procedures with multiple statements not being logged to slow query log
718922014-02-28
22:00		2015-03-24
21:40		MySQL Server: LoggingClosed
(3543 days)		S25.5,5.6,5.7AnyAnyMissing information in slow query log for slow HANDLER statements
804672016-02-22
9:26		2016-03-31
10:32		MySQL Server: LoggingVerified
(3170 days)		S35.7.11CentOSAnylog_queries_not_using_indexes is not working as expected in 5.7
981032020-01-01
5:14		2023-09-18
19:09		MySQL Server: LoggingVerified
(1787 days)		S3All, 8.0.18AnyAnyunexpected behavior while logging an aborted query in the slow query log
722432014-04-04
18:48		2014-04-04
19:33		MySQL Server: LoggingVerified
(3897 days)		S35.7.4AnyAnyQueries where execution time exceeds 'MAX_STATEMENT_TIME' should go to slow log
725292014-05-04
10:13		2014-05-04
11:22		MySQL Server: LoggingVerified
(3867 days)		S55.5AnyAnyrm a large slow log file and then flush slow logs, the mysqld will hang
766392015-04-09
10:49		2015-04-09
10:53		MySQL Server: LoggingVerifiedS35.6.20AnyAnyIndex Merge (sort_union) plan gets picked up by log_queries_not_using_indexes=1
1155262024-07-05
13:16		2024-07-08
8:15		MySQL Server: LoggingVerified
(149 days)		S28.0, 8.4, 9.0AnyAnyInvalid multi-line "use" in slow query log file with multi-line schema.
1046152021-08-13
10:26		2021-08-13
11:36		MySQL Server: LoggingVerified
(1209 days)		S58.0Any (rhel7.4)Any (intel-x86)trx commit slow if there are too many binlog files to purge while rotating
598612011-02-01
1:50		2011-03-07
23:18		MySQL Server: LoggingClosed
(5021 days)		S35.1, 5.5, trunkAnyAnywhy does log_slow_statement call thd_proc_info twice?
686262013-03-10
16:11		2014-03-11
21:25		MySQL Server: LoggingClosed
(3921 days)		S35.6.10AnyAnyGRANT statements logged twice in slow query log
914962018-06-29
11:40		2022-06-07
15:43		MySQL Server: LoggingClosed
(911 days)		S35.7.3AnyAnyRegression: Slow_queries status variable isn't incremented if slow query is off
939632019-01-17
12:56		2019-02-21
3:08		MySQL Server: LoggingClosed
(2113 days)		S38.0.13AnyAnySlow query log doesn't log a slow CREATE INDEX with admin statements enabled
1111802023-05-29
6:19		2024-04-10
7:16		MySQL Server: LoggingVerified
(555 days)		S35.7*, 5.7.42, 5.7.44AnyAnybinlog rotate will cause query missing in slow log
1158412024-08-15
4:15		2024-12-02
9:02		MySQL Server: LoggingVerified
(111 days)		S38.0.39, 8.4.2AnyAnyLock_time in slow log does not correctly record the lock waiting time
1166512024-11-14
11:27		2024-11-22
10:36		MySQL Server: LoggingVerified
(20 days)		S38.0AnyAnyslow log start_time is incorrect
196992006-05-10
21:43		2006-05-10
22:05		MySQL Server: LoggingDuplicate
(6783 days)		S3*Any (*)AnyCannot enable/disable general query log or slow query log at runtime
197642006-05-12
10:28		2006-11-09
14:55		MySQL Server: LoggingClosed
(6600 days)		S35.0.15Any (*)AnySHOW commands end up in the slow log as table scans
353962008-03-18
14:15		2011-12-01
20:37		MySQL Server: LoggingClosed
(4752 days)		S35.0.50sp1a, 5.0 bzrAnyAnyAbnormal / impossible / large Query_time and Lock_time values in slow query log
396182008-09-23
21:56		2022-12-04
20:45		MySQL Server: LoggingVerified
(5852 days)		S35.0.27, 5.0.67Windows (XP)AnyUsing log-short-format does not change what is logged
685302013-02-28
21:32		2013-08-22
15:44		MySQL Server: MemcachedClosed
(4122 days)		S15.6.10 GALinux (Centos 5)Anymemory leak with innodb memcached plugin for stale connection
690662013-04-25
9:38		2013-05-07
18:11		MySQL Server: Memory storage engineDuplicate
(4229 days)		S35.6.11AnyAnyMemory leak slave_parallel_workers
690752013-04-26
3:07		2014-02-19
10:39		MySQL Server: Memory storage engineDuplicate
(3941 days)		S35.6.11, 5.6.15AnyAnyMemory leak slave_parallel_workers
293492007-06-26
1:01		2014-02-02
14:12		MySQL Server: Memory storage engineVerified
(6370 days)		S35.0.27AnyAnydropping MEMORY table very slow
300902007-07-27
6:23		2012-05-18
20:19		MySQL Server: Memory storage engineDuplicate
(6210 days)		S35.0.44AnyAnyDELETE from MEMORY table with BTREE primary key extremely slow
737772014-08-31
11:00		2015-08-24
13:24		MySQL Server: Memory storage engineVerified
(3747 days)		S35.6, 5.6.21, 5.5.40LinuxAnyDELETE query takes a long time and examines more rows than exist in the table
237642006-10-30
10:16		2006-11-28
12:28		MySQL Server: Memory storage engineClosed
(6581 days)		S25.0.26 5.0.27Linux (FC5)AnyBTREE index deletes only 1 item on memory table
307432007-08-31
8:05		2013-03-03
20:45		MySQL Server: Merge storage engineVerified
(5701 days)		S35.0.37-community/5.1/6.0AnyAnyDelete from MERGE-table is slow
481532009-10-19
15:09		2014-03-13
18:38		MySQL Server: MyISAM storage engineVerified
(3919 days)		S35.1.40, 5.6.17AnyAnySlowdown in test-connect
985112020-02-07
10:11		2020-06-30
17:34		MySQL Server: MyISAM storage engineClosed
(1618 days)		S58.0.19, 8.0.20WindowsAnyOPTIMIZE TABLE on myisam can increase table size (~2x) and reduce performance
26432004-02-04
13:21		2004-02-04
18:10		MySQL Server: MyISAM storage engineClosed
(7609 days)		S24.0.16Linux (linux)Any4.0.16 selects different index than 4.0.14
26152004-02-02
11:03		2012-05-18
20:19		MySQL Server: MyISAM storage engineDuplicate
(6440 days)		S24.1Linux (Red Hat 9.0)AnyPerformance problem when joining NULLs
447232009-05-07
15:34		2018-04-01
11:47		MySQL Server: MyISAM storage engineClosed
(5556 days)		S55.0/5.1LinuxAnyLarger read_buffer_size values can cause performance decrease for INSERTs
7122003-06-24
10:33		2003-08-27
4:43		MySQL Server: MyISAM storage engineClosed
(7770 days)		S3 Anyslow indexes in 4.0.13 vs. 3.23
24202004-01-16
1:58		2012-05-18
20:19		MySQL Server: MyISAM storage engineDuplicate
(7626 days)		S24.1.2-dev latestLinux (Linux 2.4.21)AnyFulltext index corrups table
1000172020-06-27
14:02		2023-05-05
8:00		MySQL Server: MyISAM storage engineDuplicate
(1619 days)		S58.0.20AnyAnyExtremely slow queries after database repair
38352004-05-20
10:51		2004-05-24
11:03		MySQL Server: MyISAM storage engineClosed
(7499 days)		S14.1.2Windows (Win 2000/XP)Anyalter table enable/disable keys corrupts database
418712009-01-05
15:47		2018-09-09
20:45		MySQL Server: MyISAM storage engineVerified
(5542 days)		S55.1.30Any (MS Windows, Mac OS X)AnySelect + Index + Limit + offset on large MyIsam tables give very bad performance
434012009-03-05
8:00		2011-02-16
23:43		MySQL Server: MyISAM storage engineClosed
(5753 days)		S35.1.30FreeBSDAnyQuery spends too much time in ``sending data'' state
315512007-10-11
22:30		2013-06-13
19:31		MySQL Server: MyISAM storage engineVerified
(6021 days)		S25.0.45, 5.0 BK, 5.1 BKLinux (CentOS 4.5)AnyMyISAM poor performance with multiple queries running concurrently
406342008-11-11
11:30		2011-02-16
23:43		MySQL Server: MyISAM storage engineClosed
(5735 days)		S55.1.29, 6.0.xAnyAnytable scan temporary table is 4x slower due to mmap instead instead of caching
565232010-09-03
1:12		2011-02-16
23:44		MySQL Server: MyISAM storage engineClosed
(5128 days)		S25.6AnyAnyInstrumentation regression in myisam/mi_rprev.c
574302010-10-13
13:41		2015-11-23
10:42		MySQL Server: OptimizerClosed
(3299 days)		S35.5.6-rc, 5.5.7LinuxAnyquery optimizer does not pick covering index for some "order by" queries
595572011-01-17
15:26		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5070 days)		S25.1, 5.5AnyAnyMySQL uses order of fields in GROUP BY when ORDER BY NULL is specified
602812011-02-28
14:01		2013-01-15
14:37		MySQL Server: OptimizerDuplicate
(4341 days)		S5AnyAnyPerformance suggestion: optimize large and simple "LIMIT" queries
623072011-08-31
1:54		2011-09-01
21:29		MySQL Server: OptimizerVerified
(4843 days)		S35.5.15AnyAnyCondition "TIME = '19:20'" does not use index in sjis
645572012-03-06
0:12		2012-10-08
18:33		MySQL Server: OptimizerClosed
(4440 days)		S25.1.56, 5.5.20, 5.6.4Windows (XP Pro SP3)AnyCorrelated subquery performance is degraded in releases alfter 5.0
647912012-03-28
20:17		2015-07-09
8:35		MySQL Server: OptimizerVerified
(4633 days)		S25.1.61, 5.5AnyAnyMixed String/Int values in IN list cause full table scan
657922012-07-03
2:19		2012-07-04
9:54		MySQL Server: OptimizerVerified
(4537 days)		S55.1,5.5AnyAnyan unecessary Using temporary in distinct query
678152012-12-05
8:51		2012-12-06
6:15		MySQL Server: OptimizerVerified
(4381 days)		S35.5.28, 5.6.7LinuxAnyMySQL consistently uses a low cardinality non-referenced column in a index scan
688182013-03-30
5:29		2013-04-01
14:37		MySQL Server: OptimizerDuplicate
(4265 days)		S35.6.10AnyAnyLarge Value List in WHERE Clause Spends Too Much Time in 'statistics' State
700252013-08-14
7:00		2014-02-03
10:42		MySQL Server: OptimizerClosed
(4026 days)		S25.6.13Linux (Oracle Linux 6)AnyUpdate on P_S setup_consumers and threads through JOIN only updates first row
711712013-12-18
10:40		2014-02-04
14:40		MySQL Server: OptimizerVerified
(3956 days)		S25.6.14Linux (Debian 7.1)AnyOptimizer executes inperformant subquery first
725012014-05-01
17:31		2014-05-01
18:12		MySQL Server: OptimizerVerifiedS35.6.17AnyAnyjoining NULLs + different collation is not efficient
725182014-05-02
23:42		2015-08-30
20:59		MySQL Server: OptimizerClosed
(3384 days)		S55.6.16AnyAnyUPDATE ORDER BY does a filesort if updating a column in the index
742562014-10-07
22:43		2015-11-02
6:19		MySQL Server: OptimizerVerified
(3612 days)		S25.6.19, 5.6.22AnyAnyindex_extensions used incorrectly in select cause performance regression
769332015-05-04
17:26		2016-11-16
15:56		MySQL Server: OptimizerClosed
(2940 days)		S55.6.24, 5.6.25LinuxAnyPerformance Regression in 5.6: Update does not use index
794802015-12-01
10:59		2015-12-03
10:42		MySQL Server: OptimizerVerified
(3289 days)		S35.7.9AnyAnySuboptimal query plan in simple join compared to MariaDB 10.1
805052016-02-25
9:43		2016-02-25
14:53		MySQL Server: OptimizerDuplicate
(3205 days)		S55.7.11WindowsAnymysql server 5.7.11 view performance issue
818542016-06-15
7:55		2016-11-23
18:58		MySQL Server: OptimizerClosed
(2933 days)		S35.7, 5.7.13AnyAnyForce index is skipped while executing select count(*)
832872016-10-06
12:54		2016-11-19
16:28		MySQL Server: OptimizerClosed
(2940 days)		S35.7AnyAnycreated_tmp_tables statistic is wrong
838562016-11-17
4:19		2019-11-15
17:31		MySQL Server: OptimizerVerified
(2908 days)		S35.7.13,5.7.16CentOSAnyIndex ref not used for multi-column IN - type or collation conversion warning
859332017-04-13
13:25		2023-11-02
6:30		MySQL Server: OptimizerClosed
(2625 days)		S58.0.1-dmrAnyAnyPerformance regression with Prepared Statements
867102017-06-15
8:57		2017-07-28
2:01		MySQL Server: OptimizerClosed
(2686 days)		S28.0.2-dmr-enterprise-commercial-advancedLinuxAnyPerformance issue of explicit COLLATE clause
868842017-06-30
12:44		2017-10-24
14:25		MySQL Server: OptimizerClosed
(2711 days)		S38.0.3AnyAnyCreate decimal microbenchmarks
928502018-10-19
0:46		2018-10-22
5:31		MySQL Server: OptimizerVerified
(2235 days)		S35.7.23AnyAnyBad select+order by+limit performance in 5.7
938452019-01-07
21:55		2021-08-23
12:23		MySQL Server: OptimizerVerified
(2156 days)		S25.7,8.0.11,8.0.13AnyAnyOptimizer choose wrong index, sorting index instead of filtering index
942242019-02-06
16:45		2019-11-17
10:39		MySQL Server: OptimizerVerified
(2127 days)		S35.6, 5.6.43Any (any)Any (any)[5.6] Optimizer reconsiders index based on index definition order, not value
946552019-03-14
11:04		2021-05-17
14:24		MySQL Server: OptimizerClosed
(1733 days)		S28.0AnyAnySome GIS function do not use spatial index anymore
950582019-04-18
18:12		2019-04-25
2:29		MySQL Server: OptimizerVerified
(2050 days)		S35.7.21AnyAnyIndex not used for column with IS TRUE or IS FALSE operators
985202020-02-08
9:37		2020-05-05
14:51		MySQL Server: OptimizerVerified
(1674 days)		S58.0AnyARMSuboptimal implementations for some load/store functions for little-endian arch
987712020-02-28
6:29		2020-03-02
18:39		MySQL Server: OptimizerVerified
(1741 days)		S25.7, 5.7.29AnyAnyPerformance impact while selecting data from a JSON type column
1012202020-10-18
0:37		2021-02-23
18:44		MySQL Server: OptimizerClosed
(1380 days)		S58.0.21AnyAnyFilesort used for ORDER BY ...DESC even when DESCending index available and used
1030102021-03-17
7:33		2021-03-17
11:16		MySQL Server: OptimizerVerified
(1358 days)		S58.0.23AnyAnySubquery dependent on const tables gets evaluated for unnecessary multiple times
1041862021-07-01
15:04		2022-01-25
17:07		MySQL Server: OptimizerClosed
(1170 days)		S58.0AnyAnyToo few chunk files are created for hybrid hash join
1047602021-08-29
19:12		2021-09-20
12:14		MySQL Server: OptimizerVerified
(1191 days)		S28.0.26AnyAnyincorrect placement of hash join predicates in a left outer join nest
1053032021-10-22
18:55		2021-10-23
6:33		MySQL Server: OptimizerDuplicate
(1138 days)		S28.0.20+AnyAnyUnmanageable Sort Buffer Behavior in 8.0.20+
1053042021-10-22
19:00		2021-11-12
22:34		MySQL Server: OptimizerClosed
(1118 days)		S28.0.20+AnyAnyUnmanageable Sort Buffer Behavior in 8.0.20+
1061352022-01-11
15:33		2022-01-13
14:49		MySQL Server: OptimizerClosed
(1056 days)		S58.0.27AnyAnyREGEXP performance failure
1081162022-08-11
8:21		2024-10-30
6:13		MySQL Server: OptimizerVerified
(846 days)		S38.0.29, 8.0.30, 5.7.39Any (rhel-7.4)Any (x86-64)SQL queries with range of Item_row are not optimized
1096012023-01-12
9:00		2023-01-12
9:38		MySQL Server: OptimizerVerified
(692 days)		S38.0AnyAnyApply partition pruning if all insert rows have non-null values on autoinc field
1107792023-04-24
11:32		2023-05-12
5:49		MySQL Server: OptimizerVerified
(572 days)		S58.0.33, 5.7.42AnyAnyIN clause cause pick bad performan index
1119522023-08-02
19:50		2024-10-30
6:12		MySQL Server: OptimizerVerified
(489 days)		S28.0.34, 5.7.43, 8.1.0AnyAnyRow constructor inequality comparison on Primary Key results in full table scan.
1123622023-09-15
20:19		2024-06-10
7:46		MySQL Server: OptimizerVerified
(436 days)		S58.1.0, 8.0.34Ubuntu (22.04)x86WHERE NOT IN with subquery is much slower on 8.1 than 5.7
1132882023-11-30
6:58		2023-12-01
11:37		MySQL Server: OptimizerVerified
(370 days)		S58.0.33AnyAnyExplain plan shows dynamic range, but bug causes no chance to use for LEFT JOIN
1148122024-04-29
9:55		2024-04-29
10:19		MySQL Server: OptimizerVerified
(219 days)		S58.0.36,5.7.44AnyAnyin list values exceed eq_range_index_dive_limit cause index not used
1151902024-05-31
22:12		2024-06-01
9:46		MySQL Server: OptimizerVerified
(186 days)		S58.0.36Ubuntu (jammy)AnyFailure to use index with subquery and tuples
1159692024-08-30
13:59		2024-09-02
10:36		MySQL Server: OptimizerVerified
(93 days)		S58.0.39AnyAnyMySQL need not sort with ORDER BY primary_key on InnoDB on partial index match
1160142024-09-05
15:43		2024-11-07
14:51		MySQL Server: OptimizerVerified
(70 days)		S58.0.27+AnyAnyPerformance Degradation in Query Execution Plans
1168032024-11-27
11:29		2024-11-29
10:15		MySQL Server: OptimizerAnalyzing
(7 days)		S58.0.40AnyAnyMySQL 8.0.33 is slower than MySQL 8.0.28 with queries using JOINS
81392005-01-26
7:49		2012-05-18
20:19		MySQL Server: OptimizerDuplicate
(5876 days)		S34.1.8Linux (Linux)Anysubselect index not used for "in" but used for "="
90212005-03-07
13:23		2012-03-26
19:37		MySQL Server: OptimizerClosed
(4636 days)		S14.1.7, 5.6.4FreeBSD (FreeBSD)AnyQuery with subquery does not use index in outer query
142952005-10-25
14:06		2012-08-31
16:06		MySQL Server: OptimizerClosed
(4478 days)		S34.1 and aboveLinux (linux)Anyvery slow 'explain'
160812005-12-30
0:19		2011-06-16
16:21		MySQL Server: OptimizerClosed
(4920 days)		S55.0.19-BK, 5.0.15Linux (LINUX)AnySLOW SELECT
172122006-02-07
23:09		2007-04-24
16:40		MySQL Server: OptimizerClosed
(6434 days)		S14.1.18, 5.0.18, 4.0.26Linux (linux)Anyresults not sorted correctly by ORDER BY when using index
175602006-02-19
20:36		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5284 days)		S35.0.18Linux (Linux)Anyselect with subselect does not use indexed key
195792006-05-06
10:59		2006-10-23
14:10		MySQL Server: OptimizerClosed
(6617 days)		S55.0.24-BK, 5.0.16-log, 5.0.18, 5.0.21-log, 5.1.7-logLinux (Linux)AnyOptimizer does not choose right index and thus query is slow.
247702006-12-02
0:37		2018-09-09
20:45		MySQL Server: OptimizerIn progress
(5007 days)		S55.1Any (all)Anyupdate with subquery slow
285542007-05-21
9:32		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5675 days)		S34.1.22, 5.0.42-BKAnyAnyOptimizer wrongly prefers index for (col = value) over (PK <= value)
343102008-02-05
14:51		2018-09-09
20:45		MySQL Server: OptimizerVerified
(4004 days)		S55.0.51a-log, 5.0.54, 5.6.14LinuxAnyOptimizer is inefficient by using ORDER BY function() and LIMIT
366602008-05-12
4:45		2011-03-21
4:14		MySQL Server: OptimizerClosed
(5007 days)		S35.1.20LinuxAnySUBQUERY slow
429482009-02-17
23:02		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5755 days)		S55.0.67-0ubuntu6, 6.0.11Linux (Ubuntu 8.10)AnyMySQL Optimizer does not properly use Indexes on Views with "Group By"
431872009-02-25
13:45		2012-07-30
17:42		MySQL Server: OptimizerClosed
(4510 days)		S55.0, 5.1, 5.6LinuxAnySELECT ... WHERE (col1, col2) IN ((const, const)) is optimized, non-SELECT not
461352009-07-12
19:03		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5247 days)		S25.0, 5.1, next, 6.0.0, 6.0.2, 5.1.36AnyAnyLIMIT + JOIN problem
559792010-08-13
22:05		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5224 days)		S55.1.39LinuxAnyKey not used if IN() list contains mix of strings and integers
567142010-09-10
12:45		2013-04-02
7:20		MySQL Server: OptimizerClosed
(4264 days)		S55.1.50, 5.1.51-bzrWindowsAnySlow MAX() on primary key retrieved by secondary index in InnoDB
581012010-11-10
0:21		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5137 days)		S55.1.38-community-log, 5.1.54-bzrLinuxAnyOptimizer picks wrong order of queries
592032010-12-29
4:38		2015-02-24
16:10		MySQL Server: OptimizerClosed
(3571 days)		S15.0.91,5.1.39,5.1.55,5.5.8AnyAnySerious optimizer failure when query is encapsulated in additional SELECT/INSERT
615412011-06-16
16:26		2011-06-18
13:35		MySQL Server: OptimizerDuplicate
(4918 days)		S35.5LinuxAnySLOW QUERY - REWRITE
616312011-06-24
14:49		2014-01-03
8:40		MySQL Server: OptimizerClosed
(3988 days)		S55.5.13, 5.5.22Linux (centos 5.5)Anyslow query plans for queries with low cardinality columns in a key
639052012-01-02
23:47		2012-01-16
18:35		MySQL Server: OptimizerVerified
(4706 days)		S55.1.60WindowsAnyhandler_read_next is suprisingly high and slows queries
651772012-05-02
9:43		2020-05-03
20:45		MySQL Server: OptimizerVerified
(4594 days)		S55.1,5.5AnyAnyperromance issue of "order by rand()"
679802012-12-27
14:54		2013-01-19
10:52		MySQL Server: OptimizerVerified
(4337 days)		S35.5.28AnyAnyMySQL not utilising full index because of possible bad cardinality stats
680462013-01-07
9:29		2013-02-08
8:49		MySQL Server: OptimizerClosed
(4334 days)		S25.6-rc9Any (Ubuntu 12.04)AnyIN() clause with many constant values does not perform
730462014-06-19
2:42		2016-02-17
11:23		MySQL Server: OptimizerVerified
(3821 days)		S35.6.19AnyAnyOptimizer chooses wrong plan with (const, range) order by range ASC
784072015-09-11
12:45		2022-04-29
5:41		MySQL Server: OptimizerVerified
(950 days)		S57.4.6/5.6.24, 5.7, 8.0LinuxAnywrong index being used in subqueries?
813472016-05-08
16:10		2016-10-13
16:16		MySQL Server: OptimizerClosed
(2974 days)		S35.1.73, 5.5.49, 5.6.30,5.7.12CentOSAnyunnecessary scanned all databases for information_schema
858342017-04-06
13:31		2017-08-01
10:13		MySQL Server: OptimizerDuplicate
(2682 days)		S55.7.17WindowsAnyInnoDB: Very slow select query with many tables and IS NULL in where clause
891492018-01-08
23:41		2018-01-16
17:07		MySQL Server: OptimizerVerified
(2514 days)		S55.7.20Red Hat (7.4)AnySELECT DISTINCT on multiple TEXT columns is slow
893672018-01-24
2:52		2018-01-24
9:04		MySQL Server: OptimizerVerified
(2506 days)		S35.7.20, 5.7.21AnyAnyStoring result in a variable(UDV) causes query on a view to use derived tables
933602018-11-27
9:41		2018-12-12
14:48		MySQL Server: OptimizerVerified
(2184 days)		S55.6.16,5.7.23Linuxx86mysterious optimizer behavior
939222019-01-14
16:04		2019-05-07
9:43		MySQL Server: OptimizerClosed
(2038 days)		S28.0.13Linuxx86UNION ALL very slow with SUM(0)
973392019-10-23
8:06		2021-07-23
13:05		MySQL Server: OptimizerVerified
(1863 days)		S25.7.18, 5.7.28, 5.6.46AnyAnybin() function return Incorrect result set
1050682021-09-28
22:06		2021-10-04
12:07		MySQL Server: OptimizerVerified
(1161 days)		S35.7AnyAnyType ref instead of range after reconsidering_access_paths_for_index_ordering.
1075542022-06-13
20:28		2022-06-14
16:02		MySQL Server: OptimizerVerified
(904 days)		S58.0.29-0ubuntu0.20.04.3Ubuntu (20.04.4 LTS)x86regexp_replace in trigger VERY slow when using unicode category \\p{C}
1123042023-09-09
18:07		2024-07-02
19:34		MySQL Server: OptimizerClosed
(336 days)		S38.0AnyAnyMEM_ROOT::AllocBlock() does not satisfy minimum_length bigger than wanted_length
1145122024-03-29
9:35		2024-06-17
9:54		MySQL Server: OptimizerVerified
(170 days)		S58.3.0, 8.0.36AnyAnyMySQL 8: Order by with hash join incredibly slow
119482005-07-14
18:00		2018-09-09
20:45		MySQL Server: OptimizerVerified
(7063 days)		S35.0AnyAnyMyISAM only, nested JOIN Views, dramatic performance loss
138142005-10-06
19:09		2005-11-09
3:47		MySQL Server: OptimizerClosed
(6965 days)		S24.1.12/4.1 BK sourceLinux (linux)Anyindex including TINYBLOB breaks SELECT functionality
142532005-10-24
9:26		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5452 days)		S35.0, 4.1, 6.0.14-bzrLinux (Linux)AnyOptimizer uses partial indexes for subqueries, where it should not
148162005-11-10
9:40		2005-11-24
0:29		MySQL Server: OptimizerClosed
(6950 days)		S35.0.15, 5.0.16-bkLinux (Linux, Windows)AnyVIEW performs filesort when using ORDER BY but underlying table does not
151352005-11-22
14:28		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5737 days)		S54.1.14Any (NT)AnyDependent subquery performs very badly
196902006-05-10
16:13		2007-02-21
3:17		MySQL Server: OptimizerClosed
(6496 days)		S24.1.19/4.1BKLinux (Gentoo Linux)AnyORDER BY eliminates rows from the result
198952006-05-17
22:41		2013-01-10
13:14		MySQL Server: OptimizerClosed
(4346 days)		S35.0.20, 6.0.7, 6.0.14Windows (Windows XP)AnyNo optimization of where clause subqueries rewritable as joins
211742006-07-20
6:17		2007-04-12
21:24		MySQL Server: OptimizerClosed
(6446 days)		S25.0.18, 5.1bkLinux (linux)AnyIndex degrades sort performance and optimizer does not honor IGNORE INDEX
249722006-12-11
21:55		2012-09-05
16:35		MySQL Server: OptimizerClosed
(4473 days)		S55.0.27, 6.0.14Any (Windows)AnyJoin and sub-query execution differences
271992007-03-16
5:03		2013-09-09
9:28		MySQL Server: OptimizerClosed
(4104 days)		S25.0.22, 5.0.37, 4.1 BK, 5.1 BKLinux (linux)AnyPerformance problem when query contains a left join against a subquery
365692008-05-07
15:32		2014-06-19
23:20		MySQL Server: OptimizerClosed
(5242 days)		S55.0.56sp1AnyAnyUPDATE ... WHERE ... ORDER BY... always does a filesort even if not required
375762008-06-23
6:29		2011-12-06
1:00		MySQL Server: OptimizerClosed
(4747 days)		S56.0Linux (SLES10SP1 (2.6.16.46-0.12-smp))AnyMySQL6.0 performance regression compared with MySQL5.1 using Sysbench read test
377592008-07-01
9:41		2008-07-01
19:56		MySQL Server: OptimizerDuplicate
(6000 days)		S15.1.25AnyAnyPerformance/Index problem updating from 5.1.22 to 5.1.25
382132008-07-17
20:46		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5355 days)		S35.1.23-rcAnyAnyMySQL does not seem to execute select count (distinct) efficiently
387452008-08-12
9:44		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5251 days)		S25.1AnyAnyMySQL 5.1 optimizer uses filesort for ORDER BY when it should use index
417402008-12-25
8:51		2011-08-16
1:21		MySQL Server: OptimizerClosed
(4859 days)		S55.1.25,5.1.30AnyAnyMySQL 5.1 optimizer produces inefficient plan for complex queries
442012009-04-10
3:04		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5286 days)		S35.1.32, 5.1.35-bzr, 6.0.11-bzr, 5.0, 5.6.99AnyAnyPerformance problem with View
454242009-06-10
6:58		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5656 days)		S25.0.51a, 5.0.77 and 5.1.34, 5.1, 6.0 bzrLinuxAnyUPDATE statement cause full table scan ?
463762009-07-24
17:05		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5607 days)		S55.0.85, 5.1.36, 5.1.38, 5.1.39Windows (XP)AnyOptimizer choose wrong index even when where clause and order-by are covered
465082009-08-01
13:27		2011-02-16
23:44		MySQL Server: OptimizerDuplicate
(5600 days)		S35.1.36AnyAnyMySQL 5.1.36 where / order by seems to sort first
491112009-11-25
20:11		2012-08-30
14:32		MySQL Server: OptimizerClosed
(4479 days)		S35.5.0-beta, 5.1AnyAnyChange in execution plan for count_distinct_group_on_key causes peformance drop
502122010-01-10
14:07		2011-02-28
8:36		MySQL Server: OptimizerClosed
(5028 days)		S55.1.37, 5.1.42, 5.1.43-bzrAnyAnyMySQL doesn't use Primary Index for ORDER BY
505712010-01-24
11:09		2011-02-16
23:44		MySQL Server: OptimizerDuplicate
(5428 days)		S55.1.42AnyAnyMySQL not using an index when using tuples in IN clause
418902009-01-05
22:53		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5704 days)		S36.0.9-releaseAnyAnyFalcon: New execution plans with MRR cause slowdown for group of queries
473302009-09-15
15:39		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5551 days)		S55.0.77, 5.1.34, 5.1.37Linux (Debian x64)AnySlow query with left join and having.
218492006-08-26
10:07		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5355 days)		S55.0.32-BK, 4 and 5, 5.1.42-bzrLinux (linux)Anyselect count distinct has rotten performance on at least versions 4&5 of mysql.
1048972021-09-10
6:29		2024-08-06
13:20		MySQL Server: OptimizerClosed
(120 days)		S58.0.26, 8.0.17Anyx86Multi-valued index performance is too slow (Access too many rows than required)
1050172021-09-23
9:10		2024-06-14
20:55		MySQL Server: OptimizerClosed
(173 days)		S38.0.26AnyAnyExecute a statement with secondary engine, two entries in performance schema
1162412024-09-26
10:05		2024-10-25
11:03		MySQL Server: OptimizerVerified
(40 days)		S5596f0d23 (9.0.0), 9.1.0AnyAnyPotential Performance Improvement on TPC-H
763492015-03-17
11:35		2015-07-19
21:30		MySQL Server: OptimizerClosed
(3426 days)		S25.6AnyAnymemory leak in add_derived_key()
179522006-03-06
5:22		2012-10-15
13:48		MySQL Server: OptimizerClosed
(4433 days)		S54.1.18Linux (Linux)Anynested query super slow..should not be
814692016-05-17
21:51		2016-05-18
6:54		MySQL Server: OptimizerVerified
(3122 days)		S35.6.30, 5.7.12AnyAnySlow performance for IN subquery and UNION
478842009-10-07
3:24		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5423 days)		S25.1.39, 5.1.44, 5.5.99Linux (Linux web2 2.6.18-92.1.18.el5.028stab060.8 #1 SMP Mon Feb 9 21:44:50 MSK 2009 x86_64)AnyMySQL 5.1.39 failed to use index
1125972023-10-03
12:14		2023-10-05
14:13		MySQL Server: OptimizerVerified
(426 days)		S58.0AnyAnySlow performance
1126342023-10-05
12:03		2023-10-05
12:34		MySQL Server: OptimizerDuplicate
(426 days)		S58.0 & 8.1Windowsx86Slow performance Mysql 8.x
689792013-04-17
3:47		2018-07-11
15:11		MySQL Server: OptimizerVerified
(4214 days)		S55.6.10LinuxAnyperformance regression of MySQL 5.6.10?
942962019-02-12
18:17		2019-02-13
19:41		MySQL Server: OptimizerClosed
(2121 days)		S58.0.11Ubuntu (Ubuntu 16.04.1 LTS)x86 (x86_64)Poor Optimizer Performance with Composite Index, IN() function, and many Tuples
1060062021-12-30
3:10		2022-01-11
14:44		MySQL Server: OptimizerClosed
(1058 days)		S58.0.25, 8.0.27, 5.7.36Any (rhel-7.4)Any (x86-64)conditions are not pushed down into subqueries with union all: performance issue
354682008-03-20
20:01		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5126 days)		S36.0.4AnyAnySlowdown and wrong result for uncorrelated subquery w/o where
364492008-05-01
10:09		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5819 days)		S26.0.6-preAnyAnySignificant slowdown for (ANY|SOME) subqueries processed with semijoin
782132015-08-25
20:03		2015-10-23
12:55		MySQL Server: OptimizerClosed
(3346 days)		S25.6, 5.6.26, 5.5.46, 5.1.77Any (Mac OS X 10.9 and CentOS 6)AnySpatial index causes incorrect cardinality for all non-primary indexes
90172005-03-07
11:02		2005-04-28
15:48		MySQL Server: OptimizerClosed
(7160 days)		S24.1.10Windows (WinXP SP2, Linux 2.4.22)AnyRows are omitted from result set when using JOIN, XOR and ISNULL
388422008-08-18
8:17		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5836 days)		S35.0.45, 4.1, 5.0, 5.1, 6.0 bzrAnyAnyFix for 25951 seems incorrect
251302006-12-18
5:46		2012-03-26
19:41		MySQL Server: OptimizerClosed
(4636 days)		S55.0.34-BK, 5.0.27, 5.1, 5.5.0Windows (Windows, Sparc & Linux)AnyExtremely Slow "Where in (Select... )" Subqueries GROUP BY / HAVING related
728542014-06-03
20:12		2017-10-05
15:43		MySQL Server: OptimizerClosed
(2617 days)		S25.6.17AnyAnyExtremely slow performance with outer joins and join buffer
480602009-10-14
21:20		2011-02-16
23:44		MySQL Server: OptimizerClosed
(5496 days)		S35.5, 6.0-codebaseAnyAnyMemory leak - Item::val_bool() (item.cc:184) from optimizer_subquery grammar
745902014-10-27
11:16		2014-12-01
16:56		MySQL Server: OptimizerClosed
(3687 days)		S35.7.6AnyAnyMemory leak in unit test CostEstimationTest.MergeManyBuff
240352006-11-07
8:57		2007-02-27
20:23		MySQL Server: OptimizerClosed
(6490 days)		S55.0.34-BK, 5.0.26, 5.0.27Linux (Linux, FREEBSD)Anyperformance of update query difference between 5.0.22-log AND 5.0.27-log
479142009-10-08
9:10		2012-03-26
19:30		MySQL Server: OptimizerClosed
(4636 days)		S24.1 and 5.1Windows (Windows Server 2003)AnyPerformance Issue with Subquery
764602015-03-23
13:01		2015-04-08
13:31		MySQL Server: OptimizerClosed
(3528 days)		S35.7.5AnyAnyCost constant cache's mutex not instrumented by performance schema
832472016-10-03
14:02		2016-12-15
15:06		MySQL Server: OptimizerClosed
(2974 days)		S35.6.33AnyAnySevere regression in my_strnxfrm() from mysql-5.5 -> 5.6
1167762024-11-25
18:45		2024-11-28
7:53		MySQL Server: OptimizerVerified
(6 days)		S5596f0d23 (9.0.0), 8.0.40AnyAnyPerformance of TPC-DS Query 19
196492006-05-09
17:57		2006-10-10
18:58		MySQL Server: OptimizerClosed
(6630 days)		S25.0.25-BK, 5.0.18Solaris (Solaris)AnyExtremely slow join
234102006-10-18
7:47		2012-05-18
20:19		MySQL Server: OptimizerDuplicate
(6476 days)		S55.0.26Any (*)Any"select * from... where .. order by" very slow when 0 rows match the where cond
326652007-11-23
16:26		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5125 days)		S35.1.22-rc-Debian_1-logAnyAnyQuery with dependent subquery is too slow
338332008-01-12
15:31		2008-04-02
17:22		MySQL Server: OptimizerClosed
(6090 days)		S25.0-bk, 5.1-bkAnyAnyNo rows are returned, even though query matches
448022009-05-11
20:35		2011-09-24
17:15		MySQL Server: OptimizerClosed
(4820 days)		S34.1, 5.0, 5.1, 6.0.10-aphaLinuxAnyVery slow EXPLAIN when subqueries are used
687482013-03-22
16:26		2013-04-01
16:14		MySQL Server: OptimizerDuplicate
(4265 days)		S55.6.10Linux (Centos 5)AnySelects with large "IN" conditions are very slow
740782014-09-25
16:15		2014-10-16
19:49		MySQL Server: OptimizerVerified
(3702 days)		S55.6.19/5.5/5.7Linux (Ubuntu 14)Anyjoin of large table to small table is slow if small table has less than 7 rows
827252016-08-25
15:55		2016-09-14
6:28		MySQL Server: OptimizerVerified
(3003 days)		S55.7.14, 5.7.15CentOS (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)AnyExtremely slow query when optimizer_switch='derived_merge=ON'
1004792020-08-10
9:04		2024-07-25
15:10		MySQL Server: OptimizerDuplicate
(132 days)		S58.0AnyAnysearch with in() function runs really slow
1113672023-06-12
15:36		2023-08-04
15:11		MySQL Server: OptimizerVerified
(488 days)		S58.0AnyAnyOFFSET 99 LIMIT 1 on a compound PK takes ages to execute.
171642006-02-06
18:29		2006-04-14
18:39		MySQL Server: OptimizerClosed
(6809 days)		S25.0.19-BK, 5.0.18Linux (Linux)AnyLEFT JOIN with OR clause not optimized correctly
256582007-01-16
19:34		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5820 days)		S15.2.0 falcon-alpha and now 5.2.3Linux (Linux Fedora Core 6)AnyGroup by Performance is slow
478392009-10-05
17:52		2020-05-03
20:45		MySQL Server: OptimizerDuplicate
(5500 days)		S55.1.39AnyAnyUNIX_TIMESTAMP() is not treated as a const
731362014-06-27
16:34		2015-05-20
15:16		MySQL Server: OptimizerVerified
(3810 days)		S35.6.12,5.6.19,5.5, 5.5.38, 5.5.20AnyAnyIndex scan incorrectly selected over ref+sort leading to x1000 worse performance
1093612022-12-13
12:06		2023-01-11
1:03		MySQL Server: OptimizerClosed
(693 days)		S28.0.29AnyAnyMySQL 8.0.29+ is slower than MySQL 8.0.28 with queries using JOINS
1156792024-07-24
9:04		2024-07-24
9:46		MySQL Server: OptimizerVerified
(133 days)		S58.0.37AnyAnyBlock Nested-Loops Join can sometimes slow down the query
274522007-03-26
17:35		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5861 days)		S35.0.40-BK, 5.0.24a-debian-log, 5.1.31-bzr, 6.0.7-alpha, 6.0.9-bzrLinuxAnyCorrelated subquery produces inefficient optimizer plan for INFORMATION_SCHEMA
275312007-03-29
18:00		2016-02-25
12:24		MySQL Server: OptimizerClosed
(6417 days)		S24.1.22 5.0AnyAnyQuery performance degredation in 4.1.22 and greater
343642008-02-06
21:17		2012-07-30
17:14		MySQL Server: OptimizerClosed
(4510 days)		S15.1.22Solaris (SunOS clapton.nms.fnc.fujitsu.com 5.10 Generic_118833-36 sun4u sparc SUNW,Ultra-4)AnyLEFT JOIN with subquery takes very long time
348692008-02-27
2:00		2012-05-18
20:19		MySQL Server: OptimizerDuplicate
(6011 days)		S35.0AnyAnyAlmost 300% regression in index merge intersect performance
358502008-04-05
4:09		2011-02-16
23:43		MySQL Server: OptimizerClosed
(5281 days)		S55.1.23Any (Tested w/ SUSE)AnyPerformance regression in 5.1.23/5.1.24
466482009-08-11
11:41		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5588 days)		S35.1.32, 4.1, 5.0, 5.1, azalea bzrLinux (2.6.28.7)AnySQL_CALC_FOUND_ROWS kills performance with ORDER BY and LIMIT
508432010-02-02
18:12		2011-02-16
23:44		MySQL Server: OptimizerClosed
(5281 days)		S25.1.42AnyAnyOptimizer ignores clustered index for GROUP BY even when it improves performance
537372010-05-18
9:30		2011-02-16
23:44		MySQL Server: OptimizerClosed
(5242 days)		S2mysql-next-mrAnyAnyPerformance regressions after applying patch for bug 36569
545312010-06-15
21:39		2011-02-16
23:44		MySQL Server: OptimizerClosed
(5285 days)		S25.1.46, 5.1.47AnyAnyPerformance regression with many joins
570242010-09-26
4:44		2018-09-09
20:45		MySQL Server: OptimizerVerified
(5180 days)		S25.1AnyAnySerious performance issue with an outer join
582252010-11-16
11:21		2011-07-27
17:07		MySQL Server: OptimizerClosed
(4879 days)		S25.1.49, 5.1.54, 5.5.7Windows (Server 2003)AnyExtreme performance degradation with joins
659572012-07-20
7:00		2013-06-21
19:41		MySQL Server: OptimizerDuplicate
(4184 days)		S35.1.62, 5.5.27, 5.6.6LinuxAnyPoor correlated subquery performance with order by and limit
674322012-10-31
5:46		2012-12-11
1:49		MySQL Server: OptimizerClosed
(4376 days)		S55.6.7AnyAnySerious performance degradation for the query with ORDER BY ... LIMIT n
678992012-12-13
18:26		2013-02-24
19:43		MySQL Server: OptimizerClosed
(4301 days)		S55.5.27Linux (CentOS 6.3)AnyAdding LIMIT to query increases time from 2 seconds to 42 minutes
688252013-04-01
16:28		2018-07-11
15:09		MySQL Server: OptimizerVerified
(3382 days)		S55.6.10AnyAnyperformance regressions for single-threaded workloads
689192013-04-10
14:25		2013-04-10
14:33		MySQL Server: OptimizerVerified
(4256 days)		S55.6.10AnyAnyPerformance regression when DS-MRR is used for query with small limit
693502013-05-30
5:44		2014-02-20
5:48		MySQL Server: OptimizerVerifiedS55.6AnyAnyperformance regression between 5.5 and 5.6 for simple statement in routine loop
700022013-08-12
19:23		2013-08-19
7:38		MySQL Server: OptimizerDuplicate
(4125 days)		S25.6.13, 5.5, 5.1AnyAnyvery low performance join - eq_ref and ref access broken for compound indexes
700212013-08-13
20:52		2013-10-03
13:38		MySQL Server: OptimizerClosed
(4080 days)		S55.6.13AnyAnyPoor execution of a plan with unnecessary "range checked for each record"
774142015-06-19
9:36		2016-02-04
20:01		MySQL Server: OptimizerClosed
(3352 days)		S35.7.7AnyAnyQuery digest does not reflect new optimizer hints
818032016-06-10
12:35		2016-06-15
16:58		MySQL Server: OptimizerVerified
(3094 days)		S5>=5.1AnyAnyMysql 5.1 and later Update performance regression
886712017-11-28
0:16		2017-12-04
15:41		MySQL Server: OptimizerVerified
(2557 days)		S55.7.19AnyAnyALL + BNL chosen over REF in query plan with a simple SELECT + JOIN
992442020-04-14
3:22		2020-04-22
12:45		MySQL Server: OptimizerVerified
(1688 days)		S18.0.19AnyAnybad performance in hash join because join with no join condition between tables
994142020-04-30
17:48		2020-05-20
12:20		MySQL Server: OptimizerVerified
(1675 days)		S38.0.20AnyAnyWhere exists performance 8.0.16 onwards
1037102021-05-15
14:26		2023-11-02
6:38		MySQL Server: OptimizerClosed
(1279 days)		S58.0.25Linuxx86Prepared statement performance slower with prefer_ordering_index optimization
1070352022-04-15
9:12		2022-04-15
13:34		MySQL Server: OptimizerVerified
(964 days)		S58.0AnyAnyMRR may cause performance downgrade when multi-range on partition key
1091552022-11-22
5:43		2023-12-13
11:44		MySQL Server: OptimizerVerified
(743 days)		S58.0.18, 8.0.31, 8.0.35AnyAnyInvalid scan on left join tables of which columns not in distinct output fields
1109982023-05-11
15:33		2023-12-01
6:49		MySQL Server: OptimizerVerified
(567 days)		S58.0.20+, 8.0.33LinuxAnyPerformance regression with SELECT query when sorting on limited fields
1121982023-08-28
8:21		2024-03-05
6:06		MySQL Server: OptimizerVerified
(464 days)		S18.0, 8.0.34AnyAnyIncorrect multiple equality optimization causes performance degradation
1136472024-01-16
8:55		2024-03-07
20:37		MySQL Server: OptimizerClosed
(272 days)		S58.0.35,8.2.0AnyAnyidentical tables are checked in HashJoin because of no STOP_AT_MATERIALIZATION
1152272024-06-05
10:45		2024-08-09
9:32		MySQL Server: OptimizerVerified
(182 days)		S58.0AnyAnyprepared statement encounter performance degradation compared with normal select
1155552024-07-10
10:31		2024-09-16
9:49		MySQL Server: OptimizerVerified
(93 days)		S58.4, 8.0.39AnyAnySevere performance regression in filesort
1156712024-07-23
9:47		2024-07-23
13:49		MySQL Server: OptimizerVerified
(134 days)		S58.0.37, 8.0.39AnyAnyThe optimizer has chosen a poor execution plan.
1156762024-07-24
4:34		2024-07-24
9:46		MySQL Server: OptimizerVerified
(133 days)		S58.0.37, 8.0.39AnyAnyThe optimizer has chosen a poor execution plan.
1159082024-08-23
5:55		2024-08-27
2:58		MySQL Server: OptimizerDuplicate
(100 days)		S55.7.21,8.0.25AnyAnyPoor performance in scanning the entire table in non indexed field order
1163092024-10-07
10:39		2024-10-22
11:32		MySQL Server: OptimizerVerified
(43 days)		S5596f0d23 (9.0.0), 9.1.0UbuntuAnyPerformance of TPC-H Query
1164562024-10-23
6:43		2024-11-06
13:57		MySQL Server: OptimizerVerified
(34 days)		S5596f0d23 (9.0.0), 9.1.0AnyAnyPerformance of TPC-H Query 8
1164842024-10-26
20:54		2024-10-31
15:06		MySQL Server: OptimizerVerified
(34 days)		S5596f0d23 (9.0.0), 9.1.0AnyAnyUnexpected Performance Dropdown for Query 11 in TPC-H
1165342024-11-03
10:40		2024-11-06
12:58		MySQL Server: OptimizerVerified
(28 days)		S5596f0d23 (9.0.0)AnyAnyAnother Performance of TPC-H Query 16
1166122024-11-11
11:46		2024-11-11
14:11		MySQL Server: OptimizerVerified
(23 days)		S58.0.40AnyAnyPerformance degradation of distinct operator from 5.7 to 8.0
1167732024-11-25
17:40		2024-11-28
8:02		MySQL Server: OptimizerVerified
(6 days)		S5596f0d23 (9.0.0), 8.0.40AnyAnyPerformance of TPC-DS Query 7
1167742024-11-25
18:00		2024-11-28
8:02		MySQL Server: OptimizerVerified
(6 days)		S5596f0d23 (9.0.0), 8.0.40AnyAnyPerformance of TPC-DS Query 15
1167752024-11-25
18:34		2024-11-28
8:00		MySQL Server: OptimizerVerified
(6 days)		S5596f0d23 (9.0.0), 8.0.40AnyAnyPerformance of TPC-DS Query 16
1167772024-11-25
19:50		2024-11-27
12:52		MySQL Server: OptimizerVerified
(7 days)		S5596f0d23 (9.0.0), 8.0.40AnyAnyPerformance of TPC-DS Query 47
277322007-04-10
13:18		2008-03-30
8:34		MySQL Server: OptimizerClosed
(6093 days)		S15.0.56,5.1.22Any (windows, linux)AnyPossible memory leak with index_merge
591102010-12-22
9:49		2011-03-02
3:21		MySQL Server: OptimizerClosed
(5026 days)		S25.6.99, 5.5, 5.1 ->AnyAnyMemory leak of QUICK_SELECT_I allocated memory
593082011-01-05
11:46		2011-02-28
20:57		MySQL Server: OptimizerClosed
(5028 days)		S25.6.99, 5.5, 5.1 ->AnyAnyIncorrect result for SELECT DISTINCT <col>... ORDER BY <col> DESC
581062010-11-10
10:24		2011-02-16
23:44		MySQL Server: OptionsVerified
(5138 days)		S35.1-bugteamAnyAnyWrong directory info in general_log_file/slow_query_log_file.
692952013-05-21
16:22		2013-05-22
9:04		MySQL Server: OptionsVerified
(4214 days)		S35.1.44, 5.6.10AnyAnySlow_queries status variable incremented when it should not
1059572021-12-22
7:44		2021-12-22
8:01		MySQL Server: OptionsVerified
(1078 days)		S35.7.35, 8.0.27LinuxAnyThe table "slow_log" not close when config option slow_query_log set into OFF
809892016-04-07
8:09		2016-04-08
1:29		MySQL Server: OptionsDuplicate
(3162 days)		S2AnyAnySevere performance degradation from 5.6 to 5.7 with a long query on a larg table
800892016-01-21
1:58		2016-05-09
14:52		MySQL Server: OptionsClosed
(3131 days)		S35.6, 5.6.28LinuxAnyMemory leak from open files limit
1054422021-11-03
13:05		2021-11-03
14:19		MySQL Server: OptionsVerified
(1127 days)		S35.7AnyAnyContribution: Fix memory leak when host_cache_size is 0.
593932011-01-10
12:47		2011-04-25
13:15		MySQL Server: OptionsClosed
(4972 days)		S25.5.8, 5.5.9-bzrAny (SunOS 5.10 Generic_142910-17 i86pc i386 i86pc)Anyhave_innodb=YES when mysqld started with --skip-innodb
1059332021-12-19
8:11		2021-12-21
8:04		MySQL Server: OptionsVerified
(1079 days)		S35.7.35, 8.0.27LinuxAnyThe table "general_log" not close when config option general_log set into OFF
1059642021-12-23
1:43		2021-12-23
5:06		MySQL Server: OptionsVerified
(1077 days)		S35.7.35, 8.0.27LinuxAnyThe table "general_log/slow_log" not close when config log_output set into NONE
598602011-02-01
1:28		2013-02-22
3:49		MySQL Server: OptionsClosed
(4303 days)		S35.1, 5.5, trunkAnyAnylog-slow-admin-statements and log-slow-slave-statements not displayed
967992019-09-10
0:32		2020-10-20
6:52		MySQL Server: OptionsClosed
(1582 days)		S38.0.13AnyAnyContribution by Facebook: Periodic fsync in select into outfile controlled ...
694192013-06-07
7:04		2013-08-26
14:08		MySQL Server: OptionsClosed
(4118 days)		S25.6.12AnyAnyUndocumented and untested table_open_cache table_definition_cache default change
299212007-07-20
3:39		2008-03-04
22:29		MySQL Server: ParserClosed
(6119 days)		S55.0.37AnyAnyMYSQLparse uses 3X more CPU in MySQL 5.0 than yyparse in MySQL 4.0
302372007-08-03
22:10		2007-10-09
17:07		MySQL Server: ParserClosed
(6266 days)		S55.0AnyAnyPerformance regression in boolean expressions
303332007-08-09
14:47		2007-10-09
17:01		MySQL Server: ParserClosed
(6266 days)		S54.0, 4.1, 5.0, 5.1AnyAnyPerformance, expressions lists in the parser
306252007-08-24
15:28		2007-10-09
17:05		MySQL Server: ParserClosed
(6266 days)		S55.0, 5.1AnyAnyPerformance, reduce depth for expressions
765092015-03-27
14:45		2015-04-06
23:36		MySQL Server: ParserClosed
(3537 days)		S35.7AnyAnyuse atomics to avoid MUTEX CONTENTION ON LOCK_PLUGIN DUE TO QUERY REWRITE FRAMEW
700012013-08-12
18:46		2017-06-23
9:11		MySQL Server: PartitionsClosed
(4046 days)		S15.6.13AnyAnyPartitioned tables do not use ICP - severe performance loss after partitioning
1052042021-10-13
11:22		2021-11-01
8:41		MySQL Server: PartitionsVerified
(1148 days)		S38.0.26AnyAnyha_innopart traverse all partitions instead of only used partitions causing loss
1060392022-01-05
7:08		2022-01-11
6:10		MySQL Server: PartitionsVerified
(1058 days)		S58.0.27AnyAnySkip using priority queue and visiting unused partitions when single partition
1137502024-01-25
6:50		2024-01-26
10:12		MySQL Server: PartitionsVerified
(313 days)		S28.0.36Any (rhel-7.4)Any (x86-64)stats of partitions could be empty after some kind of alter table DDL statements
358452008-04-04
20:08		2011-02-16
23:43		MySQL Server: PartitionsClosed
(5464 days)		S55.1.23AnyAnyunneccesary call to ha_start_bulk_insert for not used partitions
673512012-10-24
8:02		2017-05-03
16:04		MySQL Server: PartitionsVerified
(4386 days)		S25.5.27-29.0LinuxAnyCardinality samples of partitioned tables sometimes widely off
721152014-03-24
19:29		2015-07-22
7:17		MySQL Server: PartitionsClosed
(3423 days)		S25.6.16AnyAnyVery slow create/alter table with partitions and STATS_PERSISTENT=1
178942006-03-03
12:00		2006-03-15
12:52		MySQL Server: PartitionsClosed
(6839 days)		S15.1.7Linux (Linux, Windows)AnyComparison with "less than" operator fails with Range partition
524552010-03-30
1:54		2011-02-16
23:44		MySQL Server: PartitionsClosed
(5165 days)		S35.1AnyAnySubpar INSERT ON DUPLICATE KEY UPDATE performance with many partitions
525172010-04-01
3:10		2011-02-16
23:44		MySQL Server: PartitionsClosed
(5165 days)		S35.1.45AnyAnyRegression in ROW level replication performance with partitions
265272007-02-21
14:49		2007-10-29
18:41		MySQL Server: PartitionsClosed
(6246 days)		S55.1.14-logLinux (Ubuntu 6.10 x86_64/Windows)AnyLOAD DATA INFILE extremely slow with partitioned table
555062010-07-23
11:45		2011-02-16
23:44		MySQL Server: PartitionsDuplicate
(5246 days)		S35.1AnyAnyMemory leak on partition_error.test
841072016-12-08
11:15		2016-12-21
10:50		MySQL Server: PartitionsClosed
(2907 days)		S35.7.16AnyAnySevere slowdown on partitioned table with simple ORDER BY ASC change to DESC
834702016-10-20
18:24		2017-05-16
2:53		MySQL Server: PartitionsClosed
(2759 days)		S35.7.16-debug-logAnyAnyReverse scan on a partitioned table does ICP check incorrectly, causing slowdown
791452015-11-06
2:42		2016-02-08
12:57		MySQL Server: PartitionsClosed
(3310 days)		S35.7.10AnyAnyMemory Leak in Ha_innopart_share::set_v_templ partitioned on virtual column
372522008-06-06
19:56		2015-02-06
19:01		MySQL Server: PartitionsClosed
(4557 days)		S35.1, 6.0AnyAnyPartitioning performance drops drastically with hundreds of partitions
440592009-04-03
2:26		2011-02-16
23:43		MySQL Server: PartitionsClosed
(5464 days)		S55.1.32, 5.1.35-bzrLinux (CentOS 5 kernel 2.6.18-53.el5 SMP x86_64)AnyIncorrect cardinality of indexes on a partitioned table
482292009-10-22
13:22		2011-02-16
23:44		MySQL Server: PartitionsClosed
(5283 days)		S55.1.37,5.1.38Linux (CentOS 4.4)Anygroup by performance issue of partitioned table
1054902021-11-08
11:28		2022-01-26
8:45		MySQL Server: PartitionsVerified
(1122 days)		S38.0.27AnyAnyEmpty loop brings loss to performance when pruning partitions for INSERT command
563802010-08-30
18:07		2011-02-16
23:44		MySQL Server: PartitionsClosed
(5061 days)		S25.1.50AnyAnyvalgrind memory leak warning from partition tests
1143002024-03-11
13:45		2024-03-11
14:41		MySQL Server: Performance SchemaVerified
(268 days)		S38.0AnyAnyThe "fake index" of performance_schema.data_lock_waits causes slow sql
693822013-06-02
19:42		2013-07-09
14:16		MySQL Server: Performance SchemaClosed
(4166 days)		S35.6.11AnyAnyPerformance schema, degradation under stress when internal buffers are full
547822010-06-24
15:31		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5236 days)		S35.5.3-m3, 5.5.4-m3AnyAnyPerformance schema per thread accounting and thread cache
550872010-07-08
15:38		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5242 days)		S5AnyAnyPerformance schema: optimization of the instrumentation interface
554162010-07-20
21:17		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5199 days)		S1AnyAnyRenaming of performance_schema tables in 5.5
554622010-07-21
23:22		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5220 days)		S55.5.3-m3AnyAnyPerformance schema: reduce the overhead of PFS_events_waits::m_wait_class
564752010-09-01
23:17		2011-07-22
18:21		MySQL Server: Performance SchemaClosed
(4884 days)		S35.6AnyAnyMissing thread states in performance_schema.THREADS / SHOW PROFILE
597992011-01-28
18:00		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5046 days)		S35.5.6AnyAnyhandler statistics for the performance schema engine
700282013-08-14
8:08		2013-10-01
16:39		MySQL Server: Performance SchemaClosed
(4082 days)		S25.6.13Linux (Oracle Linux 6)AnyP_S threads.INSTRUMENTED not set according to setup_actors
712782014-01-02
17:22		2014-02-17
18:07		MySQL Server: Performance SchemaClosed
(3943 days)		S35.6AnyAnyNUMBER OF ROWS IN PERFORMANCE SCHEMA TABLES
731122014-06-25
11:47		2016-02-23
15:52		MySQL Server: Performance SchemaVerified
(3207 days)		S35.6.16, 5.6.17, 5.6.20LinuxAnyPerformance Schema - Statement Tables - Stored Procedures Counters are 0
763052015-03-13
0:13		2015-04-08
13:26		MySQL Server: Performance SchemaClosed
(3528 days)		S35.7.6AnyAnyCom_stmt_reprepare missing in Performance Schema implementation of SHOW STATUS
765622015-04-01
15:11		2016-02-03
19:32		MySQL Server: Performance SchemaClosed
(3500 days)		S35.7.8AnyAnySeveral performance schema unit tests fails
783152015-09-03
10:15		2016-02-04
16:23		MySQL Server: Performance SchemaClosed
(3380 days)		S35.7.9AnyAnyDefault value of two options in perf schema is not updated in 5.7
797842015-12-28
6:50		2016-01-21
15:06		MySQL Server: Performance SchemaClosed
(3240 days)		S35.6.24 5.7.10AnyAnyupdate setup_instruments do not affect the global mutex/rwlock/cond
925322018-09-21
16:26		2021-01-19
15:13		MySQL Server: Performance SchemaClosed
(1416 days)		S38.0.11AnyAnyContribution by Facebook: Performance schema for Query attributes
976002019-11-12
20:05		2019-11-26
3:43		MySQL Server: Performance SchemaClosed
(1835 days)		S38.0.17AnyAnyPerfschema socket stats are not captured for SSL connections
1004322020-08-05
7:55		2020-08-05
14:03		MySQL Server: Performance SchemaVerified
(1582 days)		S58.0.21AnyARMOptimal memory-barrier for performance-schema counter
1017642020-11-26
0:38		2022-04-20
16:17		MySQL Server: Performance SchemaClosed
(1038 days)		S38.0.20AnyAnyContribution by Facebook: Add CPU time to statement metrics
1085332022-09-19
12:04		2022-09-20
6:56		MySQL Server: Performance SchemaVerified
(806 days)		S38.0, 8.0.30AnyAnyNULL query text in performance schema after thread killed
955022019-05-23
16:47		2019-05-23
16:52		MySQL Server: Performance SchemaClosed
(2022 days)		S25.7.20-logCentOS (CentOS release 6.5 (Final))x86 (Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz)Memory leak on memory/performance_schema/table_handles
1069392022-04-07
2:51		2022-05-13
10:28		MySQL Server: Performance SchemaClosed
(936 days)		S35.7.18AnyAnyTRUNCATE performance_schema.accounts causes duplicated counts in global_status
440162009-04-01
17:14		2011-02-16
23:43		MySQL Server: Performance SchemaClosed
(5438 days)		S3mysql-6.0-perfAnyAnyperformance_schema_enabled=0 at server startup has no effect
441902009-04-09
15:17		2011-02-16
23:43		MySQL Server: Performance SchemaClosed
(5438 days)		S3mysql-6.0-perfAnyAnyPerformance schema: nanosecond and ticks timers not implemented on windows
442102009-04-11
2:04		2011-02-16
23:43		MySQL Server: Performance SchemaClosed
(5387 days)		S2mysql-6.0-perfAnyAnyPerformance schema: pool-of-threads threads instrumentation is missing
447102009-05-07
9:07		2011-02-16
23:43		MySQL Server: Performance SchemaClosed
(5438 days)		S36.0-perfschemaLinuxAnyassertion failure in mdl when server starts, related to performance schema
450902009-05-26
7:58		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5438 days)		S36.0.12-alpha-log-perfschemaAnyAnyperformance schema is enabled at startup
455102009-06-15
22:09		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5438 days)		S3mysql-6.0-perfschemaAnyAnyPerformance schema: STAT and FSTAT are not generating waits
459562009-07-06
0:03		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5438 days)		S36.0.12-alphaAnyAnyPerformance schema: exotic mysqld startup, bad results
486312009-11-09
9:26		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5438 days)		S3mysql-trunk-perfschemaAnyAnyPerformance schema: unit test failures
512952010-02-18
20:27		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5383 days)		S2mysql-next-mr, 5.5.99-m3AnyAnyBuild warnings in mdl.cc
516122010-03-01
16:22		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5387 days)		S3mysql-next-mr, 5.5.99-m3AnyAnyUn initialized locker_lost variable in pfs_instr.cc
525022010-03-31
12:56		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5236 days)		S1mysql-trunk (5.5.3)AnyAnyPerformance schema does not start with large mutex_instance buffers
538742010-05-21
6:56		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5201 days)		S35.5.3-m3, 5.5.4-m3AnyAnySETUP_INSTRUMENTS.TIMED='NO' should not change TIMER_WAIT in aggregations
563242010-08-27
11:06		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5144 days)		S3next-mr, next-mr-bugfixingAnyAnyRace Condition while shutting down MySQL: "PSI_server"
571062010-09-29
16:04		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5107 days)		S35.6AnyAnyRobustness of memcpy calls in the performance schema
597402011-01-26
14:07		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5046 days)		S35.6FreeBSDAnyPerformance schema test failures on freebsd
670982012-10-05
10:19		2012-12-13
16:57		MySQL Server: Performance SchemaClosed
(4374 days)		S35.6.5, 5.7.0AnyAnyperformance schema shows stray temporray tables
680092013-01-02
9:22		2022-11-05
12:45		MySQL Server: Performance SchemaDuplicate
(4346 days)		S25.5.28, 5.5.29AnyAnyFloating point exception in "insert_events_waits_history_long"
684132013-02-18
2:45		2013-09-25
2:58		MySQL Server: Performance SchemaVerified
(4088 days)		S55.6.10, 5.6.13AnyAnyperformance_schema overhead is at least 10%
700182013-08-13
19:42		2013-10-07
18:18		MySQL Server: Performance SchemaClosed
(4076 days)		S55.6 / 5.7AnyAnyPFS Overhead on frequent connect/disconnect
712982014-01-05
12:31		2014-03-29
18:21		MySQL Server: Performance SchemaClosed
(3953 days)		S35.6.15AnyAny"Waiting to get readlock" stage is not used in 5.6 any more
718082014-02-23
12:38		2018-01-31
14:40		MySQL Server: Performance SchemaClosed
(2499 days)		S35.5, 5.6, 5.7AnyAnyRemove the TICK timer in performance_schema
745462014-10-24
11:31		2014-10-24
11:43		MySQL Server: Performance SchemaClosed
(3694 days)		S3AnyAnyPERFORMANCE SCHEMA QUERY ON EVENTS_STATEMENTS_CURRENT WRONG WITH ORDER BY
757652015-02-04
15:17		2015-03-10
13:30		MySQL Server: Performance SchemaClosed
(3557 days)		S35.6.23AnyAnyPerformance Schema statement digest generation is broken with null values
776202015-07-05
15:29		2018-02-18
18:29		MySQL Server: Performance SchemaClosed
(3351 days)		S35.5, 5.6, 5.7AnyARMNo cycle timer implementation for AArch64
780682015-08-14
12:21		2015-08-18
13:08		MySQL Server: Performance SchemaVerified
(3399 days)		S35.7.8AnyAnyreplication_* tables miss information about binary log position and other
794872015-12-02
6:21		2016-01-15
13:07		MySQL Server: Performance SchemaVerified
(3289 days)		S35.6, 5.7AnyAnyProvide non-Windows implementations for LF_BACKOFF
799342016-01-12
10:48		2016-02-19
17:58		MySQL Server: Performance SchemaClosed
(3213 days)		S35.7.11AnyAnyi_perfschema.table_leak random result failure
826632016-08-20
5:12		2017-06-27
7:40		MySQL Server: Performance SchemaVerified
(3022 days)		S15.7.13, 5.7.14AnyAnymysqld hangs when accessing Performance Schema tables
839122016-11-21
15:28		2020-03-09
16:52		MySQL Server: Performance SchemaVerified
(2933 days)		S35.6, 5.7, 5.6.34AnyAnyTime spent sleeping before entering InnoDB is not measured/reported separately
844572017-01-10
12:53		2017-02-16
14:10		MySQL Server: Performance SchemaClosed
(2848 days)		S35.6.35LinuxAnyPerformance Schema 5.6.35 unittest pft-t failing
847862017-02-02
8:17		2017-02-03
16:04		MySQL Server: Performance SchemaClosed
(2861 days)		S15.7.17-11AnyAny--performance-schema-digests-size=1 leads to SIGSEGV
923642018-09-11
12:06		2019-02-28
18:07		MySQL Server: Performance SchemaClosed
(2106 days)		S35.7.22, 8.0.12AnyAnyevents_transactions_summary_global_by_event_name not working as expected
932812018-11-22
4:03		2018-12-17
23:09		MySQL Server: Performance SchemaClosed
(2196 days)		S18.0.12AnyAnyOdd memory load/increase when using --performance-schema-max-digest-length=large
949252019-04-06
0:15		2019-04-24
13:37		MySQL Server: Performance SchemaVerified
(2051 days)		S38.0.15AnyAnyWrong Query Sample Text in Performance Query
985452020-02-10
23:45		2022-05-02
7:22		MySQL Server: Performance SchemaClosed
(947 days)		S38.0.19AnyAnyPerfschema tables are not collation aware
999892020-06-26
1:06		2021-01-10
22:04		MySQL Server: Performance SchemaClosed
(1424 days)		S38.0.x, 8.0.20AnyAnyInconsistency when joining Perf Schema schema tables when PK is larger than 48 c
1003362020-07-27
15:58		2020-07-28
13:45		MySQL Server: Performance SchemaVerified
(1590 days)		S35.7AnyAnyperformance_schema.status_by_thread table not populating on Linux
1006242020-08-24
15:05		2021-02-03
17:46		MySQL Server: Performance SchemaClosed
(1400 days)		S35.7.30, 8.0.21, 5.7.31AnyAnyTotal memory allocation for P_S is different in different sources
1009622020-09-26
5:17		2020-10-26
11:42		MySQL Server: Performance SchemaAnalyzing
(1500 days)		S35.7AnyAnymemory_summary_%_by_event_name Have different values
1010182020-10-01
9:28		2020-10-09
15:44		MySQL Server: Performance SchemaClosed
(1517 days)		S58.0AnyAnyHigh contention on last_value in my_timer_microseconds
1046432021-08-17
14:11		2021-10-06
16:24		MySQL Server: Performance SchemaClosed
(1155 days)		S38.0.26AnyAnyDefaults in performance schema tables incompatible with sql_mode
1087502022-10-12
10:08		2022-10-14
15:56		MySQL Server: Performance SchemaClosed
(782 days)		S38.0.26AnyAnyTABLE ACCESS SERVICE INDEX READ MAP ISSUES
1105552023-03-29
22:22		2024-01-17
17:33		MySQL Server: Performance SchemaClosed
(380 days)		S38.0.32AnyAnySome performance schema tables return invalid rows
1118602023-07-24
8:59		2023-09-18
10:17		MySQL Server: Performance SchemaClosed
(456 days)		S3AnyAnyshutdown plugin core when init_events_waits_history_long failed
1120352023-08-10
19:33		2024-09-19
9:05		MySQL Server: Performance SchemaClosed
(76 days)		S28.0.37, 8.4.0AnyAnyMaterializing performance_schema.data_locks can lead to excessive mem usage/OOM
1137612024-01-25
13:33		2024-09-24
12:57		MySQL Server: Performance SchemaClosed
(76 days)		S58.0.36Any (rhel-7.4)Any (x86-64)Access performance_schema.data_locks causes SQL execution stuck
1145452024-04-03
17:26		2024-04-04
9:40		MySQL Server: Performance SchemaVerified
(244 days)		S38.0.35, 8.0.36AnyAnyperformance_schema.processlist tuncates query info
1126212023-10-04
16:39		2023-11-20
15:30		MySQL Server: Performance SchemaClosed
(380 days)		S58.0.34AnyAnyPerformance degradation from 8.0.30 onwards related to performance_schema
789752015-10-27
8:02		2016-06-18
21:28		MySQL Server: Performance SchemaClosed
(3127 days)		S38.0.0-m17AnyAnySYSSCHEMA.PR_STATEMENT_PERFORMANCE_ANALYZER TEST still FAILING ON PB2 ON WINDOWS
783032015-09-02
10:02		2016-09-22
7:50		MySQL Server: Performance SchemaVerified
(3381 days)		S35.7AnyAnyAdd some DNS latency timings to performance_schema (host_cache?)
893792018-01-24
11:41		2022-03-31
8:21		MySQL Server: Performance SchemaVerified
(2506 days)		S55.7.20, 5.7.21AnyAnysummary_by_user tables get extremely slow with many users.
521342010-03-17
11:08		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5236 days)		S3mysql-next-mr, 5.6.99-m3AnyAnyperformance schema file io, symlink in path
697272013-07-11
18:41		2016-02-25
12:24		MySQL Server: Performance SchemaClosed
(4072 days)		S35.6.11WindowsAny--performance_schema_instrument value quoting is problematic
778632015-07-28
19:00		2015-07-30
13:05		MySQL Server: Performance SchemaClosed
(3415 days)		S55.6.26AnyAnyslowdown caused by memset in sql_digest_storage.reset()
514472010-02-24
7:08		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5376 days)		S2mysql-5.5.99 (Celosia)AnyAnyperformance schema evil twin files
1129592023-11-03
17:53		2023-11-07
10:41		MySQL Server: Performance SchemaVerified
(394 days)		S38.0AnyAnyWrong rows examined in P_S and slow log for Index Merge.
536962010-05-17
11:07		2011-02-16
23:44		MySQL Server: Performance SchemaClosed
(5088 days)		S35.6.99AnyAnyPerformance schema engine violates the PSEA API by calling my_error()
705772013-10-09
21:47		2013-10-15
18:19		MySQL Server: Performance SchemaClosed
(4068 days)		S35.6.14AnyAnyRead/Write mutexes on Binlog delegate classes are not counted on perf schema
775772015-07-01
10:51		2015-07-15
12:18		MySQL Server: Performance SchemaClosed
(3431 days)		S35.5, 5.6, 5.7AnyAnysetup_timers initialization assumes CYCLE timer is always available
779442015-08-05
7:11		2015-08-21
18:43		MySQL Server: Performance SchemaClosed
(3393 days)		S35.7.8-rc, 5.7.9LinuxAnyperformance_schema_instrument='%=OFF', not disable all instruments
807802016-03-17
11:55		2016-04-14
0:45		MySQL Server: Performance SchemaClosed
(3172 days)		S35.7AnyAnyAdd Performance Schema / sys Schema Memory Monitoring Example
1013912020-10-30
3:04		2020-11-19
16:59		MySQL Server: Performance SchemaVerified
(1476 days)		S58.0, 8.0.22AnyAnyPerformance Schema storage engine doesn't use index optimizations on group by
1113102023-06-07
6:51		2023-06-08
8:30		MySQL Server: Prepared statementsVerified
(545 days)		S38.0.33Ubuntu (22.04)x86 (x86_64)Prepared statement with CTE memory leak
730562014-06-19
21:34		2018-03-15
14:17		MySQL Server: Prepared statementsClosed
(3190 days)		S55.7, 5.7.8AnyAnyPrepared Statements ABSURDLY SLOW due to inefficient query creation for logging
676762012-11-22
6:37		2014-07-14
12:23		MySQL Server: Prepared statementsClosed
(4272 days)		S25.6.7AnyAnyprepared statement is very slow while binlog was enabled
296872007-07-10
10:09		2007-07-23
0:47		MySQL Server: Prepared statementsClosed
(6344 days)		S15.1.17, 5.1.20AnyAnymysql_stmt_store_result memory leak in libmysqld
621172011-08-08
19:53		2011-08-10
10:47		MySQL Server: Prepared statementsDuplicate
(4865 days)		S25.1.58-enterpriseSolarisAnyLarge Batch Update causes apparent large memory leaks and crashes server
386262008-08-07
11:28		2008-08-07
12:36		MySQL Server: Prepared statementsDuplicate
(5963 days)		S35.0.66aAnyAnymemory leak with materialized cursor and prepared statement
1140562024-02-19
23:03		2024-02-22
10:56		MySQL Server: Prepared statementsVerified
(286 days)		S58.0.32, 8.0.22+AnyAnyPerformance degredation using REGEXP in statement with parameters vs query
385512008-08-04
22:08		2011-02-16
23:43		MySQL Server: Query CacheClosed
(5482 days)		S55.1, 6.0AnyAnyRBR/MBR + Query Cache + "invalidating query cache entries (table)" => slow slave
649242012-04-10
9:03		2015-03-15
20:45		MySQL Server: Query CacheDuplicate
(4590 days)		S35.1.61Linux (2.6.32-5-amd64 #1 SMP)AnyCacheing long SELECT statement does too many prunes
608012011-04-08
3:51		2011-05-09
3:59		MySQL Server: Query CacheClosed
(4958 days)		S2mysql Ver 14.12 Distrib 5.0.45Linux (Red Hat Enterprise Linux Server release 5.3 )AnySelect Query is too much slow and taking upto 23 seconds to complete
475292009-09-22
22:15		2022-12-04
20:45		MySQL Server: Query CacheDuplicate
(5109 days)		S55.1.38, 5.1.39AnyAnyquery cache performance is bad on multi-core servers
736482014-08-19
22:10		2018-07-06
3:09		MySQL Server: Row Based Replication ( RBR )Verified
(2490 days)		S2Server version: 5.6.16-log MySQL Communi, 5.6.39LinuxAnyinnodb table replication is very slow with some of the partioned table
991402020-04-01
6:53		2020-05-18
12:10		MySQL Server: Row Based Replication ( RBR )Duplicate
(1707 days)		S38.0.19CentOSx868.0 single thread applying performance regression of update_non_index
815002016-05-19
9:10		2018-04-30
11:20		MySQL Server: Row Based Replication ( RBR )Closed
(2410 days)		S35.7+AnyAnydead branch in search_key_in_table()
1045462021-08-05
9:50		2024-01-30
15:57		MySQL Server: Row Based Replication ( RBR )Verified
(309 days)		S58.0.26Ubuntu (18.04.5 LTS)x86 (Skylake-SP)MySQL 8.0.26 single thread replication performance is slower than MySQL 5.7.35.
1132512023-11-28
11:54		2023-11-29
9:24		MySQL Server: Row Based Replication ( RBR )Verified
(371 days)		S3MySQL8.0AnyAnythe slow log in slave is logged ,when binlog_format is row
201982006-06-01
12:39		2016-10-16
20:45		MySQL Server: Row Based Replication ( RBR )Duplicate
(6759 days)		S35.1 source AnyRBR injector is too slow
358432008-04-04
19:56		2008-10-17
17:23		MySQL Server: Row Based Replication ( RBR )Closed
(5892 days)		S35.1.23AnyAnySlow replication slave when using partitioned myisam table
382072008-07-17
16:56		2012-05-18
20:19		MySQL Server: Row Based Replication ( RBR )Duplicate
(5963 days)		S55.1.25Linux (x86_64)AnyRow-based Replication (RBR) is CPU bound (invalidating query cache)
820032016-06-25
16:15		2016-08-18
11:12		MySQL Server: Row Based Replication ( RBR )Closed
(3030 days)		S35.7.13AnyAnyRows event are decoded one byte at a time
391062008-08-28
20:09		2011-02-16
23:43		MySQL Server: Row Based Replication ( RBR )Closed
(5891 days)		S35.1AnyAnySUPER is not required to change binlog format for session
465542009-08-04
19:50		2011-02-16
23:44		MySQL Server: Row Based Replication ( RBR )Closed
(5119 days)		S36.0-codebase, mysql-next-mr-wl5092AnyAnyRBR: pending rows event can be flushed too soon sometimes.
1912003-03-25
14:24		2003-04-18
13:56		MySQL Server: ReplicationClosed
(7901 days)		S33.23Linux (Linux at least)AnyMany connections from the slave to the master cause "alarm queue is full"
182802006-03-16
13:27		2006-03-18
18:03		MySQL Server: ReplicationClosed
(6836 days)		S35.1.8Any (ALL)AnyRBR: Extreneous table maps when writing to slow_log and general_log
307032007-08-29
17:26		2011-02-16
23:43		MySQL Server: ReplicationClosed
(5501 days)		S35.0 (all)AnyAnySHOW STATUS LIKE 'Slave_running' is not compatible with `SHOW SLAVE STATUS'
375782008-06-23
7:00		2016-10-16
20:45		MySQL Server: ReplicationVerified
(6006 days)		S35.1, 5.0, 6.0AnyAnyExecute Stored Functions Without Prelocks
486322009-11-09
9:38		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5280 days)		S3AllAnyAnyFix for Bug #23300 Has Not Been Backported To 5.x Release
645032012-03-01
5:27		2012-05-02
11:21		MySQL Server: ReplicationClosed
(4648 days)		S25.1AnyAnymysql frequently ignores --relay-log-space-limit
693412013-05-29
0:55		2016-04-07
5:46		MySQL Server: ReplicationClosed
(4170 days)		S55.6.11AnyAnysemi-sync replication is very slow with many clients
742332014-10-06
10:40		2017-07-26
22:46		MySQL Server: ReplicationClosed
(2693 days)		S35.6.22,5.5 5.6AnyAnySlave's slow log has empty BEGINs for RBR events
746072014-10-28
16:25		2015-09-14
15:43		MySQL Server: ReplicationClosed
(3547 days)		S25.6.21AnyAnyslave io_thread may get stuck when using GTID and low slave_net_timeouts
755252015-01-16
8:59		2015-07-01
15:11		MySQL Server: ReplicationClosed
(3444 days)		S25.6.22AnyAnyMTS STOP SLAVE takes way too long (when worker threads are slow)
757672015-02-04
15:33		2015-05-21
22:39		MySQL Server: ReplicationClosed
(3486 days)		S25.7AnyAnyset gtid_purged should not rotate binlog
887202017-11-30
14:52		2018-02-24
10:49		MySQL Server: ReplicationVerified
(2560 days)		S35.6, 5.7, 8.0.3, 5.6.38, 5.7.20AnyAnyInconsistent and unsafe FLUSH behavior in terms of replication
990062020-03-20
11:45		2020-04-16
10:01		MySQL Server: ReplicationVerified
(1695 days)		S35.7 and 8.0AnyAnyGTID Synchronisation speed when doing START SLAVE
427572009-02-11
12:01		2011-02-16
23:43		MySQL Server: ReplicationClosed
(5406 days)		S3AnyAnyRedundant use of LOCK_log in MYSQL_BIN_LOG::write(Log_event*)
434262009-03-05
16:59		2014-01-15
15:39		MySQL Server: ReplicationClosed
(3976 days)		S55.0AnyAnySimple performance changes for replication
451082009-05-26
21:26		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5641 days)		S36.0.11AnyAnySlave skip counter not working as expected on debian platform
479722009-10-10
21:36		2023-02-12
20:45		MySQL Server: ReplicationDuplicate
(4878 days)		S25.1.40AnyAnyChange in MBR algorithm causes replication performance degradation
522242010-03-19
15:17		2016-10-16
20:45		MySQL Server: ReplicationVerified
(5371 days)		S3AnyAnyreplication of CREATE TEMPOARARY TABLE should be optional
572752010-10-06
8:53		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5082 days)		S35.5, next-mrAnyAnybinlog_cache_size affects trx- and stmt-cache and gets twice the expected memory
726402014-05-14
6:05		2014-07-21
15:34		MySQL Server: ReplicationClosed
(3802 days)		S35.7AnyAnyrpl.rpl_circular_for_4_hosts fails with result mismatch nondeterministic results
726802014-05-19
12:39		2014-05-20
8:36		MySQL Server: ReplicationVerified
(3851 days)		S35.6.17AnyAnyMake changing MASTER_AUTO_POSITION = 0 user-friendly and document behaviour
742782014-10-08
15:38		2015-08-21
9:31		MySQL Server: ReplicationVerified
(3393 days)		S35.6.17, 5.6.26AnyAnytĥread_id title in binary log output is wrong. Should be process(list)_id
743282014-10-11
4:54		2016-12-12
4:38		MySQL Server: ReplicationClosed
(3565 days)		S35.7.5AnyAnyserious tps decline if gtid is enabled in 5.7
744232014-10-16
22:36		2016-02-02
19:15		MySQL Server: ReplicationClosed
(3464 days)		S35.7+AnyAny RECEIVED_TRANSACTION_SET field on replication_connection_status shows garbage
752992014-12-23
15:45		2017-03-23
12:11		MySQL Server: ReplicationDuplicate
(2869 days)		S35.6AnyAnygroup commit with GTID enabled need more optimization
755702015-01-21
7:52		2016-02-20
17:43		MySQL Server: ReplicationClosed
(3509 days)		S25.6.20LinuxAnysemi-sync replication performance degrades with a high number of threads
760492015-02-25
15:13		2015-02-25
21:50		MySQL Server: ReplicationVerifiedS35.6.22AnyAnyFiltered replication events do not reset the System lock thread state
782642015-08-28
16:11		2016-04-27
15:05		MySQL Server: ReplicationClosed
(3373 days)		S35.7.6AnyAnyDO NOT ALLOCATE MEMORY ON GR PLUGIN P_S INTERFACE IMPLEMENTATION
819102016-06-17
16:35		2016-11-02
13:34		MySQL Server: ReplicationClosed
(3022 days)		S35.7.14AnyAnyWRITE SET HASHES SHOULD HAVE A 64BITS OPTION TO REDUCE WRITE CONFLICTS
824222016-08-03
11:27		2017-01-26
19:15		MySQL Server: ReplicationClosed
(2910 days)		S35.7.14AnyAnyGTIDS REDUCE PERFORMANCE ON WORKLOADS WITH MANY SMALL TRANSACTIONS
872492017-07-30
0:44		2024-07-01
18:59		MySQL Server: ReplicationVerified
(2533 days)		S2AnyAnyRelay logs shouldn't be purged if options unrelated in CHANGE MASTER is executed
943602019-02-16
4:44		2022-02-16
18:29		MySQL Server: ReplicationClosed
(1030 days)		S38.0.13AnyAnyContribution by Facebook: Don't force flush relay log info
1059242021-12-16
20:40		2022-07-25
15:16		MySQL Server: ReplicationClosed
(863 days)		S58.0.22, 8.0.27AnyAnySHOW SLAVE STATUS became expensive for Replica->Slave column name conversions
1108892023-05-03
5:41		2023-05-03
6:07		MySQL Server: ReplicationVerified
(581 days)		S58.0.32AnyAnybinlog rotate optimize
1131872023-11-22
16:24		2024-06-06
3:40		MySQL Server: ReplicationVerified
(374 days)		S58.0 and aboveAnyAnyreplica SQL thread purge applied relay logs blocked commit on source node
1143102024-03-12
4:14		2024-03-19
7:24		MySQL Server: ReplicationVerified
(267 days)		S38.0.33AnyAnyMaster_compression_algorithm output is wrong
450142009-05-21
17:57		2016-10-16
20:45		MySQL Server: ReplicationDuplicate
(5663 days)		S35.1.34-logAnyAnylog-slow-slave-statements does not work in in 5.1.34
451362009-05-27
15:18		2016-10-16
20:45		MySQL Server: ReplicationDuplicate
(5670 days)		S35.1.34-logAnyAnylog-slow-slave-statements doesn't work in 5.1.34
506202010-01-26
11:36		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5280 days)		S35.5.99, next-mr, 5.1AnyAnyAdding an index to a table prevents slave from logging into slow log
578992010-11-01
15:46		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5081 days)		S35.5Linux (SUSE 11 64-bit)AnyCertain reserved words should not be reserved
403372008-10-27
3:05		2011-02-16
23:43		MySQL Server: ReplicationClosed
(5501 days)		S55.0, 5.1, 6.0AnyAnyFsyncing master and relay log to disk after every event is too slow
777782015-07-19
5:57		2017-03-31
17:24		MySQL Server: ReplicationClosed
(2805 days)		S35.6.25AnyAnytuning the log_lock contention for IO_THREAD and SQL_THREAD in rpl_slave.cc
233352006-10-16
14:16		2007-09-05
20:45		MySQL Server: ReplicationClosed
(6300 days)		S25.1.12Linux (Linux 32 Bit)AnyInnoDB hangs if BLOBS and BINLOG are used during new performance test
806512016-03-08
3:45		2016-04-07
5:46		MySQL Server: ReplicationDuplicate
(3163 days)		S35.5 5.6AnyAnylarget rpl_semi_sync_master_timeout will affect performance
969852019-09-24
7:17		2019-10-24
18:05		MySQL Server: ReplicationVerified
(1868 days)		S55.7.22;8.0.11AnyAnyMySQL group replication pipeline memory reuse
980702019-12-25
12:33		2020-01-06
8:51		MySQL Server: ReplicationVerified
(1805 days)		S58.0.18AnyAnyOptimize write performance when group commit
1017172020-11-23
12:03		2020-12-15
12:53		MySQL Server: ReplicationVerified
(1454 days)		S28.0, 8.0.22AnyAnyPoor performance on a GTID slave when log_slave_updates is disabled
1135642024-01-05
10:49		2024-11-07
14:39		MySQL Server: ReplicationVerified
(176 days)		S58.0Any (>= glibc 2.25 )Anywrite-only mode performance decreases by 15% in heavy workload
151322005-11-22
12:55		2005-11-22
14:20		MySQL Server: ReplicationClosed
(6952 days)		S35.0-wl1012Linux (linux)AnyRBR: memory leak when updating large rows
161752006-01-04
7:43		2006-03-02
15:13		MySQL Server: ReplicationClosed
(6852 days)		S35.0 Anymemory leak in rpl_trigger.test
485422009-11-04
18:43		2016-10-16
20:45		MySQL Server: ReplicationDuplicate
(5381 days)		S35.1.39, 5.1.40, 5.1.41AnyAnyImplicit drops on temporary tables aren't always replicated to slaves
489932009-11-23
13:27		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5280 days)		S35.1.41, 5.1.44-bzr,mysql-5.5.99-m3Linux (32-bit, Mac OS X)Anyvalgrind errors in mysqlbinlog
566492010-09-08
13:56		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5104 days)		S2trunk, 5.6AnyAnyValgrind warnings for memory leak in semisync plugin (Delegate class)
566502010-09-08
13:56		2011-02-16
23:44		MySQL Server: ReplicationClosed
(5104 days)		S2trunk, 5.6AnyAnyValgrind warnings for memory leak in semisync plugin (MYSQL object not freed)
728852014-06-05
7:50		2018-08-26
20:45		MySQL Server: ReplicationDuplicate
(3535 days)		S15.6.17Linux (Red Hat Enterprise Linux Server release 6.3)AnyMySQL 5.6 memory leak
813302016-05-05
19:41		2020-02-04
17:19		MySQL Server: ReplicationVerified
(1903 days)		S25.6.29, 5.7.17, 8.0.16AnyAnycircular semisync replication fails on msr (and slow without msr)
852512017-03-01
13:16		2017-10-27
8:22		MySQL Server: ReplicationClosed
(2623 days)		S25.7.17, 8.0.0AnyAnyMemory leak in master-master GTID replication with sync_relay_log_info
1152032024-06-03
17:34		2024-06-10
23:09		MySQL Server: ReplicationVerified
(184 days)		S38.4.0, 8.0.37AnyAnyEmpty "use ;" on replica in slow query log file.
679832012-12-28
16:39		2013-01-31
9:00		MySQL Server: ReplicationClosed
(4325 days)		S15.5.25aAnyAnyMemory leak on filtered slave
91412005-03-12
9:11		2005-07-26
13:47		MySQL Server: ReplicationClosed
(7071 days)		S34.1.10Any (any)Any4.1 does not log into slow log ALTER, OPTIMIZE and ANALYZE statements
1092902022-12-06
8:28		2023-01-13
6:20		MySQL Server: ReplicationVerified
(691 days)		S55.7.39Ubuntux86WRITESET causing performance issue for replication on a replica
1143612024-03-15
1:53		2024-08-14
9:34		MySQL Server: ReplicationVerified
(261 days)		S58.0AnyAnyUnaligned Delegate's lock reduces performance
264892007-02-20
6:14		2022-05-20
12:03		MySQL Server: ReplicationClosed
(6146 days)		S25.0.27 & 5.0.37, 5.1.22Any (Linux, Win32)AnyCorruption in relay logs
711972013-12-21
8:48		2015-01-05
2:17		MySQL Server: ReplicationClosed
(3941 days)		S25.6.15, 5.6.14, 5.6.13, 5.6.16, 5.7.3LinuxAnymysql slave sql thread memory leak
714252014-01-20
14:46		2014-07-14
16:32		MySQL Server: ReplicationDuplicate
(3968 days)		S15.6AnyAnyMySQL 5.6 memory leak
853712017-03-08
10:46		2018-01-18
10:36		MySQL Server: ReplicationClosed
(2567 days)		S25.7.17AnyAnyMemory leak in multi-source replication when binlog_rows_query_log_events=1
870082017-07-11
9:23		2017-07-14
10:20		MySQL Server: ReplicationDuplicate
(2700 days)		S35.7.18AnyAnyBecuse using "xa commit one phase" in master DB, slave have memory leak
895962018-02-09
4:17		2018-02-09
12:55		MySQL Server: ReplicationVerified
(2490 days)		S38.0.4Ubuntu (17.10)Any__tls_get_addr leak on Ubuntu 17.10
730182014-06-17
3:20		2015-06-22
10:02		MySQL Server: ReplicationVerified
(3453 days)		S55.6AnyAny improve performance when binlog_order_commits=0 and sync_binlog >1
832702016-10-05
14:13		2017-04-11
7:25		MySQL Server: ReplicationClosed
(2794 days)		S55.7.15AnyAnyPerformance degradation when the server has many gtids
1061162022-01-08
15:54		2022-10-18
0:12		MySQL Server: ReplicationClosed
(778 days)		S58.0AnyAnybinlog rotation impact performance
816302016-05-28
5:46		2016-08-31
6:30		MySQL Server: ReplicationVerified
(3017 days)		S55.7.12AnyAnyMySQL 5.7 is 37-45% slower then 5.6 when using binlogging due to defaults change
816942016-06-02
16:42		2016-11-02
13:31		MySQL Server: ReplicationClosed
(3040 days)		S3AnyAnyCHANNEL SERVICE INTERFACE HAS NO FUNCTION TO GET RETRIEVED GTID SET
853522017-03-08
0:44		2017-08-14
12:36		MySQL Server: ReplicationClosed
(2669 days)		S55.6, 5.7, 5.6.35AnyAnyReplication regression with RBR and partitioned tables
929642018-10-26
11:57		2020-09-18
19:38		MySQL Server: ReplicationClosed
(1538 days)		S55.7.23Debian (8.0, 9.0)x86Slave performance degrades over time
1079912022-07-27
2:02		2024-10-09
6:02		MySQL Server: ReplicationVerified
(408 days)		S28.0.25AnyAnyClone_persist_gtid causes memory leak
233002006-10-15
6:00		2011-02-16
23:43		MySQL Server: ReplicationClosed
(5280 days)		S34.1+Any (*)AnySlow query log on slave does not log slow replicated statements
274922007-03-28
9:05		2017-05-21
20:45		MySQL Server: ReplicationDuplicate
(5886 days)		S35.0.40-BK, 5.0.37AnyAnyReplication queries are not logged in slow query log
345822008-02-15
10:35		2011-02-16
23:43		MySQL Server: ReplicationClosed
(5464 days)		S25.0.46-enterprise-gpl-logAnyAnyFLUSH LOGS does not close and reopen the binlog index file
949942019-04-12
3:06		2019-07-25
11:25		MySQL Server: Storage EnginesClosed
(1959 days)		S28.0.15Linuxx86Memory leak detect on temptable storage engine
1059822021-12-27
8:11		2022-01-03
8:02		MySQL Server: Storage EnginesVerified
(1066 days)		S5all, 5.7, 8.0LinuxAnyhard-coded libaio API parameter may not helpful to performance
987392020-02-25
18:27		2020-06-11
17:21		MySQL Server: Storage EnginesClosed
(1637 days)		S38.0.19AnyAnyTempTable storage engine slow if mmap is required
909872018-05-23
10:03		2018-06-05
14:50		MySQL Server: Storage EnginesVerified
(2378 days)		S55.7.17AnyAnypartition table index next same scan ineffective
1069582022-04-08
9:35		2022-04-11
14:37		MySQL Server: SYS SchemaVerified
(968 days)		S38.0.28CentOS (CentOS Stream release 8)x86 (Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz)Querying the user_summary views in sys schema is extremely slow
815642016-05-24
8:23		2016-08-01
12:35		MySQL Server: SYS SchemaClosed
(3079 days)		S35.7.12AnyAnyps_setup_show_enabled and ps_setup_show_disabled and company issues
866602017-06-12
16:02		2017-06-12
16:35		MySQL Server: SYS SchemaVerified
(2732 days)		S31.5.1AnyAnyschema_redundant_indexes says longer but non-unique index is redundant
984352020-01-30
4:03		2020-01-30
6:34		MySQL Server: SYS SchemaVerified
(1770 days)		S38.0.19AnyAnyschema_table_statistics io statistics does not work with partitioned tables
816992016-06-03
4:35		2016-06-14
7:49		MySQL Server: SYS SchemaVerified
(3095 days)		S35.7.12, 5.7.13AnyAnyps_statement_avg_latency_histogram often fails to draw the point of max(avg_us)
805692016-03-01
5:03		2016-07-18
12:59		MySQL Server: SYS SchemaClosed
(3079 days)		S35.7.11AnyAnymax_latency is not correct for sys.host_summary_by_statement_latency view
837162016-11-07
9:31		2016-11-08
6:46		MySQL Server: SYS SchemaVerified
(2948 days)		S25.7.14, 5.7.16AnyAnyMySQL performance-schema doesn't store (analyze) queries to views
814672016-05-17
14:33		2016-05-18
9:43		MySQL Server: TestsVerified
(3122 days)		S35.7, 5.7.12AnyAnyinnodb_fts.sync_block test unstable due to slow query log nondeterminism
895972018-02-09
4:41		2018-03-21
16:34		MySQL Server: TestsClosed
(2450 days)		S38.0.4AnyAnyValgrind reporting memory leak on MTR test main.validate_password_component
288302007-06-01
10:26		2007-08-09
13:27		MySQL Server: TestsClosed
(6327 days)		S3AnyAnyTest case log_state fails on VMWare Windows clone due to loaded system
823072016-07-21
13:41		2016-12-02
20:12		MySQL Server: TestsClosed
(2924 days)		S35.6,5.7, 5.7.13AnyAnyMemory leaks in unit tests
276342007-04-04
5:36		2007-06-15
13:45		MySQL Server: TestsClosed
(6382 days)		S35.1-bkLinuxAnygroup_by test fails
287422007-05-29
10:30		2007-06-22
18:42		MySQL Server: TestsClosed
(6375 days)		S35.1-BKLinux (Fedora Core 6)Anymysql-test-run is very slow on "Stopping All Servers" step
332172007-12-13
15:23		2008-02-18
21:38		MySQL Server: TestsClosed
(6134 days)		S35.1.23MacOS (10.5 Leopard - Intel)Anytest suite fails on Mac OS X Leopard
594432011-01-12
12:03		2011-05-31
19:23		MySQL Server: TestsClosed
(4936 days)		S35.5+AnyAnyquery_cache_debug.test is occasionally very slow
688202013-03-30
20:27		2013-04-16
15:07		MySQL Server: TestsClosed
(4250 days)		S35.6LinuxAnyincorrect value of bogomips in mysqltest
433832009-03-04
16:43		2011-02-16
23:43		MySQL Server: TestsClosed
(5691 days)		S35.0,5.1,6.0AnyAnymain.variables-big : Weak testing code and result
321982007-11-08
21:03		2007-12-19
5:19		MySQL Server: Data TypesClosed
(6195 days)		S25.0.50, 5.0.52-BKLinuxAnyComparison of DATE with DATETIME still not using indexes correctly
690232013-04-21
12:39		2013-04-21
12:40		MySQL Server: Data TypesVerifiedS35.6.12WindowsAny"Questions" output in COM_STATISTICS wraps at 2^32
983052020-01-21
10:57		2020-08-04
12:41		MySQL Server: Data TypesVerified
(1771 days)		S55.7, 8.0LinuxAnyhp_rec_key_cmp suboptimal comparison
698012013-07-20
8:38		2019-11-15
11:10		MySQL Server: Data TypesVerifiedS55.6.12AnyAnyperformance regression between 5.5 and 5.6 for str_to_date function
688272013-04-01
18:47		2013-04-24
8:37		MySQL Server: WindowsVerified
(4242 days)		S25.6.11Windows (window7 64bit)Anymultiple connections using Shared Memory interfering
565852010-09-06
9:38		2011-02-16
23:44		MySQL Server: WindowsClosed
(5117 days)		S55.5.5WindowsAnySlowdown of readonly sysbench benchmarks (e.g point_select) on Windows 5.5
272872007-03-20
12:29		2018-04-03
2:35		MySQL Server: XML functionsClosed
(6217 days)		S55.1.16Windows (WinXP SP2)Anyextractvalue() (and updatexml()) extremely slow for large XML
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