Showing all 573 (Edit, Save, CSV, Feed)
ID# Date Updated Type Status Sev Version OS CPU Summary
1118602023-07-24
8:59
2023-09-18
10:17
MySQL Server: Performance SchemaClosed
(224 days)
S3AnyAnyshutdown plugin core when init_events_waits_history_long failed
531982010-04-27
13:45
2011-02-16
23:44
MySQL Server: DocumentationClosed
(5103 days)
S3AnyAnyDuplicate sentence in the performance schema doc
816942016-06-02
16:42
2016-11-02
13:31
MySQL Server: ReplicationClosed
(2808 days)
S3AnyAnyCHANNEL SERVICE INTERFACE HAS NO FUNCTION TO GET RETRIEVED GTID SET
366942008-05-13
16:20
2015-05-15
5:42
Connector / NETClosed
(4904 days)
S3WindowsAnybad information_schema performance in .NET app running stored routines
550872010-07-08
15:38
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5010 days)
S5AnyAnyPerformance schema: optimization of the instrumentation interface
554162010-07-20
21:17
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4967 days)
S1AnyAnyRenaming of performance_schema tables in 5.5
633682011-11-21
19:09
2011-12-08
3:34
MySQL Server: DocumentationClosed
(4513 days)
S3AnyAnycase sensitivity in P_S
638152011-12-21
2:51
2012-10-18
22:06
MySQL Server: InnoDB Plugin storage engineClosed
(4198 days)
S1AnyAnyReorganization May Make a Page Incompressible
727032014-05-21
6:46
2014-08-06
14:57
MySQL Server: InnoDB storage engineClosed
(3547 days)
S3AnyAnypage cleaner should be multi-threaded also for recovery and shutdown
936362018-12-17
9:30
2018-12-18
14:58
MySQL Server: DocumentationClosed
(1946 days)
S3AnyAnyDocumentation incorrect on when data purged from events_statements_history_long
995002020-05-09
23:18
2020-05-18
12:37
MySQL Server: DocumentationClosed
(1429 days)
S3AnyAnyincorrect table refs in documentation
219472006-08-31
13:22
2010-11-16
19:09
MySQL Server: DocumentationClosed
(6432 days)
S2AnyAnyinnodb_flush_method = O_DIRECT may degrade performance of InnoDB on SAN
301242007-07-30
11:15
2007-08-31
12:30
MySQL Server: Falcon storage engineClosed
(6073 days)
S2AnyAnyFalcon: UPDATE has unacceptable performance
361942008-04-18
1:15
2014-01-21
23:08
Connector / NETClosed
(3738 days)
S5AnyAnyEliminate pinging with connection pooling to get massive performance improvement
427572009-02-11
12:01
2011-02-16
23:43
MySQL Server: ReplicationClosed
(5174 days)
S3AnyAnyRedundant use of LOCK_log in MYSQL_BIN_LOG::write(Log_event*)
442762009-04-15
0:52
2011-02-16
23:43
MySQL Cluster: Cluster (NDB) storage engineClosed
(5451 days)
S3WindowsAnyNdbTick assert() in Ndbif.cpp
503472010-01-14
19:45
2011-02-16
23:44
MySQL Enterprise Monitor: InstallingClosed
(5199 days)
S3AnyAnyPlease upgrade bundled JDK to 1.6.0-18
557162010-08-03
15:02
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(4932 days)
S5AnyAnyCHECK TABLES should not perform check on entire adaptive hash index
707752013-10-30
19:11
2017-09-29
23:00
MySQL Server: DocumentationClosed
(2391 days)
S3AnyAnyDocs advice on query cache might be misleading
714322014-01-20
17:22
2014-03-10
20:00
Connector / JClosed
(3690 days)
S3AnyAnyKey store files not closed when making SSL connection
744642014-10-20
19:55
2015-03-24
23:19
MySQL Server: DocumentationClosed
(3382 days)
S2AnyAnyManual for binlog crash recovery outdated
745462014-10-24
11:31
2014-10-24
11:43
MySQL Server: Performance SchemaClosed
(3462 days)
S3AnyAnyPERFORMANCE SCHEMA QUERY ON EVENTS_STATEMENTS_CURRENT WRONG WITH ORDER BY
779602015-08-06
11:21
2016-02-04
19:18
MySQL Server: GISClosed
(3154 days)
S3AnyAnyUpgrade to Boost 1.59.0
806212016-03-04
23:29
2017-07-28
13:33
Connector / PythonClosed
(2454 days)
S2AnyAnyMemory leak when using cursor(named_tuple=True)
683662013-02-13
16:03
2018-01-18
13:19
MySQL Server: CharsetsClosed
(2280 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
265882007-02-23
10:06
2017-03-22
13:20
MySQL Server: DocumentationClosed
(2582 days)
S3*Linux (linux)Anyinnodb_flush_method, nosync and littlesync undocumented
210132006-07-12
19:08
2006-08-15
11:37
MySQL Server: Stored RoutinesClosed
(6454 days)
S3>= 5.0.18All OSAnyPerformance Degrades when importing data that uses Trigger and Stored Procedure
21342003-12-16
23:59
2004-06-01
0:32
MySQLCCClosed
(7259 days)
S30.9.2-betaWindows (Windows 2000 Server)AnyAbnormally long time for select
213862006-08-01
13:38
2012-09-13
10:07
Connector / NETClosed
(6447 days)
S51.0.0.7Windows (Windows 2003 Server)AnyConnection must be valid and open MySqlDataReader
55702004-09-14
13:35
2004-10-08
17:50
MySQL AdministratorClosed
(7130 days)
S31.0.12Linux (Linux)AnyStartup variables, Performance tab, cache size needs a memory size (k or m)
64312004-11-04
13:36
2005-06-13
8:29
MySQL AdministratorClosed
(6882 days)
S21.0.13Windows (Windows XP)AnyAdministrator consumes huge amounts of system resources
27292004-02-12
0:45
2004-03-11
8:53
MySQL AdministratorClosed
(7341 days)
S21.0.1a AlphaWindows (Win2k)AnyWrong value for query_cache_type when editing with MySQL Administrator
122452005-07-28
18:48
2005-08-10
18:07
Connector / NETClosed
(6824 days)
S21.0.4Windows (Windows 2000)Anyusing Prepare() on an insert command causes null parameters to convert to "0"
83872005-02-09
6:36
2005-06-22
21:13
Connector / NETClosed
(6873 days)
S11.0.4Windows (WinXP/Win2003)AnyConnecting with NAMES and character_set_results can be up to 18 times slower.
136622005-09-30
15:34
2005-10-03
16:05
Connector / NETClosed
(6770 days)
S21.0.4Windows (Windows)AnyPrepare() truncates accented character input
827712016-08-28
19:21
2017-10-05
11:43
MySQL Server: Document Store: MySQL ShellClosed
(2385 days)
S31.0.4, 1.0.5AnyAnyMySQL Shell doesn't set connection attributes
49102004-08-05
14:04
2004-08-10
15:10
MySQL AdministratorClosed
(7189 days)
S11.0.9Windows (WinXP SP1)AnyAdministrator crash with variable descriptions
262042007-02-09
0:04
2007-02-15
20:28
Closed
(6270 days)
S31.1.0.4660 - 1.1.0.4739Any (All)AnyTypo in advisor description
357862008-04-03
7:47
2011-02-16
23:43
MySQL Enterprise Monitor: Advisors/RulesClosed
(5737 days)
S31.2.0.7879AnyAnyIncorrect alert for innodb_support_xa =1 when replication/binlog enabled
716902014-02-12
20:52
2014-05-21
3:57
MySQL UtilitiesClosed
(3618 days)
S31.3.6AnyAnymysqlindexcheck should display tables w/o primary key
301562007-07-31
20:56
2007-08-07
3:41
MySQL Enterprise Monitor: Advisors/RulesClosed
(6097 days)
S31.4AnyAnytable cache not optimal advisor - incorrect information on details tab
734442014-07-31
7:18
2022-03-25
17:39
Connector / PythonClosed
(753 days)
S21.4.3AnyAnyConnector Python has performance issues when MySQL Fabric is in use
395832008-09-22
9:36
2011-02-16
23:43
MySQL Enterprise Monitor: AgentClosed
(5642 days)
S32.0.0.7049++AnyAnyagent reports 4 critical regex after fix for InnoDB bug#36941
420672009-01-12
21:50
2011-02-16
23:43
MySQL Enterprise Monitor: LocalizationClosed
(5549 days)
S32.0.2.7131AnyAnySome advisor rules have the advice untranslated
483022009-10-26
11:43
2011-02-16
23:44
Tools: Random Query GeneratorClosed
(5286 days)
S22.1AnyAnyMajor performance regression in RQG when using --mask
460352009-07-08
10:55
2011-02-16
23:44
MySQL Enterprise Monitor: WebClosed
(5376 days)
S32.1.0.1074AnyAnyQUAN Query Popup still hard codes explain threshold
493722009-12-02
21:12
2011-04-26
19:57
MySQL Enterprise Monitor: ServerClosed
(4739 days)
S32.1.0.1096AnyAnyInclude the "tomcat-native" packages with our Dashboard installations
798252016-01-03
0:12
2022-05-09
21:48
Connector / PythonClosed
(708 days)
S32.1.3AnyAnyNo option to disable SSL/TLS
38732004-05-24
16:23
2004-05-27
19:52
Connector / JClosed
(7264 days)
S23.0.12-productionWindows (Windows)AnyStatement.getGeneratedKeys method returns only 1 result for batched insertions
715822014-02-04
9:35
2015-01-09
10:13
MySQL Enterprise Monitor: WebClosed
(3385 days)
S33.0.5MacOS (Mavericks)AnyBrowser performance degraded by MEM usage
13872003-09-23
20:54
2003-09-26
7:21
Connector / JClosed
(7508 days)
S23.0.8Linux (Linux)AnyConnector/J SingleByteCharsetConverter Bug
122292005-07-27
21:00
2005-10-17
19:43
Connector / JClosed
(6756 days)
S23.1.10Any (*)AnyexecuteQuery() hangs when using explainSlowQueries
244262006-11-19
8:11
2012-09-13
8:09
Connector / JClosed
(6357 days)
S33.1.10Linux (Linux RedHat)AnyInvalid JDBC column types: VARCHAR instead of DOUBLE
200292006-05-23
21:49
2006-06-16
22:07
Connector / JClosed
(6514 days)
S33.1.12Linux (RHEL 4)AnyNullPointerException with executeBatch() inserting into longtext column
89572005-03-04
21:23
2014-03-28
11:26
Connector / JClosed
(3672 days)
S13.1.6-7Windows (Win2Kserver)AnyMySQL service crash without errors
740652014-09-25
8:51
2018-09-07
17:19
MySQL Enterprise Backup DocumentationClosed
(2048 days)
S33.11.0AnyAnyPerformance hints for mysqlbackup: use innodb compressed to reduce data size
584392010-11-24
2:28
2011-10-12
18:37
MySQL Enterprise BackupClosed
(4570 days)
S33.5.2AnyAnyAttempt to apply incremental backup to 'unapplyied' full backup causes a crash
27962004-02-14
12:01
2020-04-27
13:04
Connector / ODBCClosed
(3975 days)
S23.51Any (Any)AnySQLColumns() call. returns a static array of types
101532005-04-25
18:05
2005-10-25
15:11
Connector / ODBCClosed
(6748 days)
S23.51.11Windows (Windows XP)AnyCrystal Report for .Net 1.1 and MyODBC 3.51.11 (OuterJoin syntax problem)
142642005-10-24
16:37
2013-05-29
11:23
Connector / ODBCClosed
(3975 days)
S33.51.12 & 5.0.15Windows (Windows 2003)AnyError Log: Performance Data
303332007-08-09
14:47
2007-10-09
17:01
MySQL Server: ParserClosed
(6034 days)
S54.0, 4.1, 5.0, 5.1AnyAnyPerformance, expressions lists in the parser
9142003-07-24
17:32
2004-01-23
19:35
MySQL Server: MyISAM storage engineClosed
(7389 days)
S24.0.14Linux (RedHat 9.0)AnyMyISAM INSERT blocking SELECT
26432004-02-04
13:21
2004-02-04
18:10
MySQL Server: MyISAM storage engineClosed
(7377 days)
S24.0.16Linux (linux)Any4.0.16 selects different index than 4.0.14
16972003-10-29
3:45
2003-12-13
3:36
MySQL ServerClosed
(7430 days)
S24.0.16Any (all)AnyDELETE ... WHERE ... ORDER BY ... wrong execution leads to very bad performance
158152005-12-16
23:18
2011-02-16
23:43
MySQL Server: InnoDB storage engineClosed
(5050 days)
S24.0.27,4.1, 5.0, 5.1Linux (Linux x86_64)AnyVery poor performance with multiple queries running concurrently
58842004-10-04
16:51
2004-10-05
13:09
MySQL Server: DocumentationClosed
(7133 days)
S34.1 Anyinnodb_locks_unsafe_for_binlog
71502004-12-10
0:18
2005-01-14
13:52
MySQL Server: InnoDB storage engineClosed
(7032 days)
S34.1Linux (Linux)AnyInnoDB TRUNCATE can get very slow
479142009-10-08
9:10
2012-03-26
19:30
MySQL Server: OptimizerClosed
(4404 days)
S24.1 and 5.1Windows (Windows Server 2003)AnyPerformance Issue with Subquery
4822003-05-23
6:45
2003-07-08
0:34
Connector / ODBCClosed
(7588 days)
S14.1.0Windows (Windows XP/2000)AnyODBC and MySQL v4.1.0 on Windows gives ultraslow performance
85432005-02-16
13:16
2008-04-17
18:41
MySQL Server: InstallingClosed
(5843 days)
S34.1.10Windows (Win2000)AnyIncorrect thread_cache_size parameter writen to my.ini
91412005-03-12
9:11
2005-07-26
13:47
MySQL Server: ReplicationClosed
(6839 days)
S34.1.10Any (any)Any4.1 does not log into slow log ALTER, OPTIMIZE and ANALYZE statements
104802005-05-09
15:11
2005-06-16
7:44
MySQL ServerClosed
(6879 days)
S24.1.11-standard-logLinux (Linux Redhat Fedora Core 1)AnySlow queries
138142005-10-06
19:09
2005-11-09
3:47
MySQL Server: OptimizerClosed
(6733 days)
S24.1.12/4.1 BK sourceLinux (linux)Anyindex including TINYBLOB breaks SELECT functionality
121252005-07-22
22:59
2005-07-26
21:40
MySQL Server: InnoDB storage engineClosed
(6839 days)
S14.1.13MacOS (OS X 10.4.2)AnyMassive Disk I/O Degradation under 4.1.13 in OS X
151352005-11-22
14:28
2011-02-16
23:43
MySQL Server: OptimizerClosed
(5505 days)
S54.1.14Any (NT)AnyDependent subquery performs very badly
196902006-05-10
16:13
2007-02-21
3:17
MySQL Server: OptimizerClosed
(6264 days)
S24.1.19/4.1BKLinux (Gentoo Linux)AnyORDER BY eliminates rows from the result
26832004-02-09
6:48
2004-02-10
14:42
MySQL ServerClosed
(7371 days)
S34.1.1aNT 4 Server SP 6aAnyPoor Performance on a Multi-Homed System
20502003-12-08
16:07
2004-07-09
20:54
MySQL ServerClosed
(7221 days)
S24.1.1alphaWindows (w2k)Any10 to 1 performance drop with server 4.1.1
38352004-05-20
10:51
2004-05-24
11:03
MySQL Server: MyISAM storage engineClosed
(7267 days)
S14.1.2Windows (Win 2000/XP)Anyalter table enable/disable keys corrupts database
39042004-05-27
2:07
2004-06-09
23:37
MySQL ServerClosed
(7251 days)
S24.1.2Linux (Linux)AnyCOUNT DISTINCT performance anomaly in 4.1
41142004-06-12
2:27
2004-08-24
6:49
MySQL ServerClosed
(7175 days)
S24.1.2Any (all)Anyorder by - limit optimization is broken for "range" access type.
275312007-03-29
18:00
2016-02-25
12:24
MySQL Server: OptimizerClosed
(6185 days)
S24.1.22 5.0AnyAnyQuery performance degredation in 4.1.22 and greater
66352004-11-15
12:47
2005-03-08
18:36
MySQL ServerClosed
(6979 days)
S24.1.7Linux (Linux x86)Anybug in full-text search
302372007-08-03
22:10
2007-10-09
17:07
MySQL Server: ParserClosed
(6034 days)
S55.0AnyAnyPerformance regression in boolean expressions
150142005-11-17
12:51
2006-02-02
13:58
MySQL Server: Stored RoutinesClosed
(6648 days)
S25.0Any (Any)AnyPerformance problems with functions
214612006-08-06
1:28
2007-07-13
0:37
MySQL Server: Archive storage engineClosed
(6122 days)
S55.0Any (all)AnyLong Varchars created unneeded waste in compression in Archive
370202008-05-27
21:48
2008-09-29
15:48
Connector / JClosed
(5678 days)
S55.0AnyAnyJDBC connections run SHOW VARIABLES and then SHOW VARIABLES LIKE 'tx_isolation'
434262009-03-05
16:59
2014-01-15
15:39
MySQL Server: ReplicationClosed
(3744 days)
S55.0AnyAnySimple performance changes for replication
712082013-12-22
23:52
2014-01-15
1:09
MySQL Server: DocumentationClosed
(3744 days)
S35.0 and aboveAnyAnyManual does not note that ARCHIVE AUTO_INCREMENT columns cannot decrement
369412008-05-25
11:58
2011-02-16
23:43
MySQL Server: InnoDB storage engineClosed
(5049 days)
S35.0-bk, 5.1-bkAnyAnyPerformance problem in ha_print_info (SHOW INNODB STATUS)
306252007-08-24
15:28
2007-10-09
17:05
MySQL Server: ParserClosed
(6034 days)
S55.0, 5.1AnyAnyPerformance, reduce depth for expressions
195882006-05-06
23:47
2020-08-25
11:03
MySQL Server: Information schemaClosed
(5970 days)
S55.0, 5.1Any (all)AnyINFORMATION_SCHEMA performs much too slow on large servers
243862006-11-17
10:53
2011-02-16
23:43
MySQL Server: InnoDB storage engineClosed
(5050 days)
S25.0, 5.1Any (all)AnyPerformance degradation caused by instrumentation in mutex_struct
521022010-03-16
16:20
2011-02-16
23:44
MySQL Server: InnoDB Plugin storage engineClosed
(4871 days)
S55.0, 5.1, 5.5.5m3Windows (Any)AnyInnoDB Plugin shows performance drop compared to InnoDB (Windows)
403372008-10-27
3:05
2011-02-16
23:43
MySQL Server: ReplicationClosed
(5269 days)
S55.0, 5.1, 6.0AnyAnyFsyncing master and relay log to disk after every event is too slow
429302009-02-17
11:44
2012-10-05
16:42
MySQL Server: LockingClosed
(4211 days)
S55.0, 5.1, 6.0AnyAny'show global status' causes lock contention on LOCK_thread_count
245092006-11-22
15:09
2011-02-16
23:43
MySQL Server: GeneralClosed
(5054 days)
S35.0,5.1Windows (Windows)Any2048 file descriptor limit on windows needs increasing
369422008-05-25
12:28
2011-02-16
23:43
MySQL Server: InnoDB storage engineClosed
(5049 days)
S35.0,5.1AnyAnyPerformance problem in lock_get_n_rec_locks (SHOW INNODB STATUS)
491692009-11-27
16:09
2013-02-28
13:27
MySQL Server: InnoDB Plugin storage engineClosed
(4065 days)
S55.0,5.1,5.1 pluginAnyAnyread_view_open_now is inefficient with many concurrent sessions
433832009-03-04
16:43
2011-02-16
23:43
MySQL Server: TestsClosed
(5459 days)
S35.0,5.1,6.0AnyAnymain.variables-big : Weak testing code and result
35312004-04-21
19:09
2004-04-22
8:20
MySQL ServerClosed
(7299 days)
S25.0.0 & 4.1.1a-alphaWindows (Windows XP)AnyPrepared statement memory leak while connection is open
337652008-01-09
12:36
2008-01-09
13:56
MySQL WorkbenchClosed
(5942 days)
S25.0.11WindowsAnyUI Performance issues
148162005-11-10
9:40
2005-11-24
0:29
MySQL Server: OptimizerClosed
(6718 days)
S35.0.15, 5.0.16-bkLinux (Linux, Windows)AnyVIEW performs filesort when using ORDER BY but underlying table does not
180542006-03-08
2:04
2007-01-16
16:08
MySQL Server: InnoDB storage engineClosed
(6300 days)
S15.0.18Miracle Linux ver4 (kernel 2.6)AnySevere performance degradation when Hyperthreading is on
400062008-10-13
15:04
2008-10-22
10:56
MySQL ServerClosed
(5655 days)
S55.0.18AnyAnyPerformance depends on functions used?
224402006-09-18
11:46
2007-02-28
8:55
MySQL ServerClosed
(6257 days)
S15.0.18Linux (Slackware Linux 10.2)AnyMySQLd crashes with "out of memory" error
211742006-07-20
6:17
2007-04-12
21:24
MySQL Server: OptimizerClosed
(6214 days)
S25.0.18, 5.1bkLinux (linux)AnyIndex degrades sort performance and optimizer does not honor IGNORE INDEX
187142006-04-02
0:13
2006-05-08
15:12
MySQL ServerClosed
(6553 days)
S15.0.19Linux (SLES 9/ Win2003 server)Anydamage table and server crash/restart after update table
171642006-02-06
18:29
2006-04-14
18:39
MySQL Server: OptimizerClosed
(6577 days)
S25.0.19-BK, 5.0.18Linux (Linux)AnyLEFT JOIN with OR clause not optimized correctly
59692004-10-08
5:49
2004-10-10
10:52
MySQL ServerClosed
(7128 days)
S15.0.2Linux (Linux)AnyPerformance Problem with updatable VIEW
198952006-05-17
22:41
2013-01-10
13:14
MySQL Server: OptimizerClosed
(4114 days)
S35.0.20, 6.0.7, 6.0.14Windows (Windows XP)AnyNo optimization of where clause subqueries rewritable as joins
545182010-06-15
14:25
2012-10-15
13:31
MySQL ServerClosed
(4201 days)
S55.0.22Windows (Vista)AnyVery bad performance with subselect
271992007-03-16
5:03
2013-09-09
9:28
MySQL Server: OptimizerClosed
(3872 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
237642006-10-30
10:16
2006-11-28
12:28
MySQL Server: Memory storage engineClosed
(6349 days)
S25.0.26 5.0.27Linux (FC5)AnyBTREE index deletes only 1 item on memory table
249722006-12-11
21:55
2012-09-05
16:35
MySQL Server: OptimizerClosed
(4241 days)
S55.0.27, 6.0.14Any (Windows)AnyJoin and sub-query execution differences
252322006-12-21
13:24
2007-01-16
8:44
MySQL ServerClosed
(6300 days)
S25.0.30Linux (Linux AMD64 - SLES9-SP3 2.6.17)AnyMySQL hangs in FUTEX_WAIT
257192007-01-19
13:55
2007-01-29
8:14
MySQL Server: ErrorsClosed
(6287 days)
S35.0.32 / 5.1.14 AnySHOW ENGINE .. STATUS gives incorrect error text for disabled engines
218492006-08-26
10:07
2011-02-16
23:43
MySQL Server: OptimizerClosed
(5123 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.
240352006-11-07
8:57
2007-02-27
20:23
MySQL Server: OptimizerClosed
(6258 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
251302006-12-18
5:46
2012-03-26
19:41
MySQL Server: OptimizerClosed
(4404 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
270202007-03-10
2:04
2016-02-25
12:24
MySQL Server: PackagingClosed
(6206 days)
S25.0.37Windows (Windows 32-bit)AnyFEDERATED not included in 5.0.37 community release
362922008-04-23
14:16
2008-04-25
16:37
MySQL Server: InnoDB storage engineClosed
(5835 days)
S15.0.41-community-ntWindows (Windows XP SP2)AnyCan't create a new thread (errno 12); if you are not out of available memory
343842008-02-07
16:45
2011-02-16
23:43
MySQL Server: DMLClosed
(4940 days)
S35.0.45, 5.1.22, 5.0.54AnyAnyBig quoted int in WHERE of UPDATE or DELETE causes drop in performance
321982007-11-08
21:03
2007-12-19
5:19
MySQL Server: Data TypesClosed
(5963 days)
S25.0.50, 5.0.52-BKLinuxAnyComparison of DATE with DATETIME still not using indexes correctly
394922008-09-17
0:58
2011-02-16
23:43
MySQL Server: GeneralClosed
(5600 days)
S55.0.51aSolarisAnysolaris should use a separate alarm thread
365692008-05-07
15:32
2014-06-19
23:20
MySQL Server: OptimizerClosed
(5010 days)
S55.0.56sp1AnyAnyUPDATE ... WHERE ... ORDER BY... always does a filesort even if not required
281672007-04-30
18:06
2007-05-03
11:23
Connector / NETClosed
(6193 days)
S55.0.6AnyAnyPoor performance building connection string
429082009-02-17
1:20
2011-02-16
23:43
MySQL ServerClosed
(4909 days)
S55.0.74, 5.0.76, 5.0.77Linux (SLES 10)AnyPerformance degradation on SELECT_DISTINCT_RANGES (as in Sysbench)
563322010-08-27
18:17
2013-07-07
11:39
MySQL Server: InnoDB storage engineClosed
(3936 days)
S35.0.87, 5.0.91AnyAnyPerformance regression in DROP TABLE performance post 5.0.77
243732006-11-16
21:35
2007-02-27
11:19
Connector / NETClosed
(6258 days)
S55.0.xWindows (Win32)AnyHigh CPU utilization when no idle connection
250252006-12-13
3:58
2007-05-16
19:53
Connector / JClosed
(6180 days)
S25.0.x, 3.1.xAny (any)AnyConnector/J getRewriteBatchedStatements() should be more forgiving of comments
447232009-05-07
15:34
2018-04-01
11:47
MySQL Server: MyISAM storage engineClosed
(5324 days)
S55.0/5.1LinuxAnyLarger read_buffer_size values can cause performance decrease for INSERTs
488322009-11-17
11:00
2011-02-16
23:44
MySQL Server: LockingClosed
(5107 days)
S55.0+AnyAnyDisconnection is slow when using non-persistent mysql connections
538662010-05-20
18:23
2011-02-16
23:44
MySQL Server: DocumentationClosed
(5079 days)
S35.1AnyAnyManual Bug: enabling binary log "makes performance about 1% slower."
292632007-06-21
9:46
2011-02-16
23:43
MySQL Server: Information schemaClosed
(5556 days)
S35.1AnyAnydisabled storage engines omitted in SHOW ENGINES
179292006-03-05
10:50
2006-10-11
10:33
MySQL Cluster: Disk DataClosed
(6397 days)
S35.1 AnyDD: "delete from" is run in memory order
265852007-02-23
1:00
2007-02-23
1:14
MySQL Server: DocumentationClosed
(6262 days)
S35.1 naAnyConfusing usage of the word 'row' ("in a row") to describe a sequence of events
284912007-05-17
6:53
2007-05-23
15:37
MySQL Cluster: Cluster (NDB) storage engineClosed
(6173 days)
S35.1AnyAnyExpand check gets disabled in some cases (initial node restart)
304142007-08-14
17:09
2013-04-23
19:01
MySQL Server: LoggingClosed
(4011 days)
S55.1AnyAnySlowdown (related to logging) in 5.1.21 vs. 5.1.20
377642008-07-01
14:29
2008-07-11
19:22
MySQL Server: DocumentationClosed
(5758 days)
S35.1AnyAny"Named Pipe" connections are discribed faster and slower than TCP
387452008-08-12
9:44
2011-02-16
23:43
MySQL Server: OptimizerClosed
(5019 days)
S25.1AnyAnyMySQL 5.1 optimizer uses filesort for ORDER BY when it should use index
391062008-08-28
20:09
2011-02-16
23:43
MySQL Server: Row Based Replication ( RBR )Closed
(5659 days)
S35.1AnyAnySUPER is not required to change binlog format for session
421012009-01-14
9:27
2011-02-16
23:43
MySQL Server: InnoDB storage engineClosed
(5049 days)
S35.1AnyAnyRace condition in innodb_commit_concurrency
471262009-09-04
9:18
2011-02-16
23:44
MySQL ServerClosed
(5154 days)
S35.1AnyAnyequal flag values causing unexpected behaviour
511932010-02-15
16:45
2015-02-04
22:35
MySQL Server: DocumentationClosed
(3359 days)
S35.1AnyAnyUpdate 1.8.5.2 Transactions and Atomic Operations in the reference manual
524552010-03-30
1:54
2011-02-16
23:44
MySQL Server: PartitionsClosed
(4933 days)
S35.1AnyAnySubpar INSERT ON DUPLICATE KEY UPDATE performance with many partitions
528062010-04-14
6:32
2022-01-26
12:34
MySQL Server: InnoDB Plugin storage engineClosed
(811 days)
S55.1AnyAnyMake InnoDB mutexes green
523932010-03-26
14:05
2012-07-19
23:17
MySQL Server: DocumentationClosed
(4289 days)
S35.1 and laterAnyAnyinnodb_io_capacity documentation error
525342010-04-01
17:49
2016-02-25
12:24
Connector / JClosed
(5108 days)
S15.1-bzrAnyAnySignificant performance regression using load-balanced connections
543062010-06-07
19:26
2011-09-02
5:06
MySQL Server: DocumentationClosed
(4610 days)
S35.1, 5.4, 5.5AnyAnyDocs issue - Advice on innodb_flush_method can be misinterpreted
713282014-01-09
14:27
2015-05-26
13:05
MySQL Server: DocumentationClosed
(3248 days)
S35.1, 5.5, 5.6AnyAnyManual does not describe how to monitor InnoDB change buffer usage
372522008-06-06
19:56
2015-02-06
19:01
MySQL Server: PartitionsClosed
(4325 days)
S35.1, 6.0AnyAnyPartitioning performance drops drastically with hundreds of partitions
592142010-12-29
15:45
2011-05-05
23:48
MySQL Server: InnoDB Plugin storage engineClosed
(4730 days)
S55.1,5.5AnyAnyincrease rate limit for insert buffer prefetch reads
615562011-06-17
21:58
2011-07-20
11:02
MySQL Server: DocumentationClosed
(4654 days)
S35.1,5.5AnyAnyRBR should use TL_WRITE_CONCURRENT_INSERT
481722009-10-19
19:55
2016-02-25
12:24
Connector / JClosed
(5289 days)
S35.1.10AnyAnyBatch rewrite requires space immediately after "VALUES"
223542006-09-14
15:54
2011-02-16
23:43
MySQL Cluster: Cluster (NDB) storage engineClosed
(5612 days)
S55.1.12Linux (Linux (AMD64))AnyAtomics and TPC-B testing show performance drops between 5.0.24 vs 5.1.12
233352006-10-16
14:16
2007-09-05
20:45
MySQL Server: ReplicationClosed
(6068 days)
S25.1.12Linux (Linux 32 Bit)AnyInnoDB hangs if BLOBS and BINLOG are used during new performance test
207252006-06-27
14:05
2006-06-29
9:47
MySQL Cluster: Cluster (NDB) storage engineClosed
(6501 days)
S35.1.12Linux (Linux 32 bit OS)AnyMySQLD cluster use "fast count" is broken
241692006-11-10
7:41
2007-02-28
7:26
MySQL ServerClosed
(6257 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)
244952006-11-22
3:37
2008-09-27
10:42
MySQL Server: DDLClosed
(5680 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
255672007-01-12
1:19
2007-01-25
5:22
MySQL Cluster: Cluster (NDB) storage engineClosed
(6291 days)
S35.1.15 Anyrecords() call performs scan in NDB, performance bug
611052011-05-09
19:55
2013-06-25
21:38
Connector / JClosed
(3948 days)
S35.1.16AnyAnyAvoid Java bottleneck by using explicit Charset for byte[]<->String conversions
461012009-07-09
20:49
2011-02-16
23:44
MySQL WorkbenchClosed
(5345 days)
S25.1.16 OSSWindows (XP SP2)AnyMySQL Workbench OSS leaks GDI objects, resulting in massive performance drops
631352011-11-07
21:55
2011-12-16
7:29
Connector / JClosed
(4505 days)
S25.1.18AnyAnyBlacklist ceases to work after 2 failures.
356652008-03-29
8:36
2012-09-13
11:09
Connector / ODBCClosed
(4233 days)
S35.1.2Any (VISTA 64)AnyadOpenForwardOnly should allow inserts
673182012-10-22
6:11
2014-03-20
16:03
Connector / JClosed
(3690 days)
S55.1.21AnyAnySQLException thrown on already closed ResultSet
339482008-01-20
15:16
2011-02-16
23:43
MySQL ServerClosed
(5373 days)
S55.1.22Linux (rhas5)Anyperformance issue when using sysbench benchmark on a multiple-core system.
693082013-05-23
4:34
2013-07-10
23:04
Connector / JClosed
(3933 days)
S35.1.22MacOSAnyPreparedStatement.executeBatchedInserts calls close() twice on batchedStatement
343642008-02-06
21:17
2012-07-30
17:14
MySQL Server: OptimizerClosed
(4278 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
342542008-02-02
20:26
2008-02-04
2:23
MySQL Server: GeneralClosed
(5916 days)
S25.1.22 RC (x64)Windows (XP x64 AMD DC)AnyVery slow queries when using functions in SELECT statements
358432008-04-04
19:56
2008-10-17
17:23
MySQL Server: Row Based Replication ( RBR )Closed
(5660 days)
S35.1.23AnyAnySlow replication slave when using partitioned myisam table
358502008-04-05
4:09
2011-02-16
23:43
MySQL Server: OptimizerClosed
(5049 days)
S55.1.23Any (Tested w/ SUSE)AnyPerformance regression in 5.1.23/5.1.24
328172007-11-28
15:18
2008-01-04
10:56
MySQL Server: CSVClosed
(5947 days)
S15.1.23-rcLinux (suse 10.1)Anythough CSV is marked as supported create table is rejected with error 1005.
382132008-07-17
20:46
2011-02-16
23:43
MySQL Server: OptimizerClosed
(5123 days)
S35.1.23-rcAnyAnyMySQL does not seem to execute select count (distinct) efficiently
375362008-06-19
22:34
2011-02-16
23:43
MySQL ServerClosed
(5052 days)
S55.1.24Solaris (Nevada Bld 87 on X86)AnyThread scheduling causes performance degradation at low thread count
417402008-12-25
8:51
2011-08-16
1:21
MySQL Server: OptimizerClosed
(4627 days)
S55.1.25,5.1.30AnyAnyMySQL 5.1 optimizer produces inefficient plan for complex queries
716722014-02-11
15:02
2014-07-16
22:08
Connector / JClosed
(3562 days)
S55.1.29AnyAnyEvery SQL statement is checked if it contains "ON DUPLICATE KEY UPDATE" or not
718612014-02-27
9:52
2014-03-10
16:07
Connector / JClosed
(3690 days)
S55.1.29AnyAnyAvoid manual array copy in MysqlIO and LoadBalancingConnectionProxy
406342008-11-11
11:30
2011-02-16
23:43
MySQL Server: MyISAM storage engineClosed
(5503 days)
S55.1.29, 6.0.xAnyAnytable scan temporary table is 4x slower due to mmap instead instead of caching
422152009-01-20
12:58
2011-02-16
23:43
MySQL Cluster: Cluster (NDB) storage engineClosed
(5543 days)
S35.1.30-ndb-6.4.1AnyAnyndb_mgm, incorrect result from 'report MemoryUsage'
424832009-01-30
14:46
2011-02-16
23:43
MySQL Server: DocumentationClosed
(5549 days)
S35.1.30/5.0LinuxAnyinnodb_buffer_pool_pages_latched status variable silently removed
440592009-04-03
2:26
2011-02-16
23:43
MySQL Server: PartitionsClosed
(5232 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
502122010-01-10
14:07
2011-02-28
8:36
MySQL Server: OptimizerClosed
(4796 days)
S55.1.37, 5.1.42, 5.1.43-bzrAnyAnyMySQL doesn't use Primary Index for ORDER BY
482292009-10-22
13:22
2011-02-16
23:44
MySQL Server: PartitionsClosed
(5051 days)
S55.1.37,5.1.38Linux (CentOS 4.4)Anygroup by performance issue of partitioned table
472862009-09-12
11:22
2011-11-28
15:40
MySQL Server: GeneralClosed
(4523 days)
S35.1.38AnyAny'have_federated' variable not implemented
494912009-12-06
23:14
2011-02-16
23:44
MySQL Server: GeneralClosed
(5149 days)
S55.1.38 and aboveAnyAnyMuch overhead for MD5() and SHA1() on short strings
340012008-01-23
1:56
2008-11-17
23:36
Connector / NETClosed
(5629 days)
S55.1.4AnyAnyConnection pooling has too much unnecessary contention
508432010-02-02
18:12
2011-02-16
23:44
MySQL Server: OptimizerClosed
(5049 days)
S25.1.42AnyAnyOptimizer ignores clustered index for GROUP BY even when it improves performance
899482018-03-07
19:16
2018-08-01
15:47
Connector / JClosed
(2086 days)
S15.1.45AnyAnyBatched statements are not committed for useLocalTransactionState=true
525172010-04-01
3:10
2011-02-16
23:44
MySQL Server: PartitionsClosed
(4933 days)
S35.1.45AnyAnyRegression in ROW level replication performance with partitions
545312010-06-15
21:39
2011-02-16
23:44
MySQL Server: OptimizerClosed
(5053 days)
S25.1.46, 5.1.47AnyAnyPerformance regression with many joins
545382010-06-16
1:23
2011-02-16
23:44
MySQL Server: InnoDB Plugin storage engineClosed
(4872 days)
S35.1.47AnyAnyuse of exclusive innodb dictionary lock limits performance
547902010-06-25
3:58
2011-06-03
2:10
MySQL Server: GeneralClosed
(4701 days)
S35.1.47AnyAnyUse of non-blocking mode for sockets limits performance
538522010-05-20
11:14
2011-02-16
23:44
MySQL Server: InnoDB Plugin storage engineClosed
(4878 days)
S35.1.47/plugin1.0.8AnyAnyInnoDB: Performance drop in SELECT_SUM_RANGES test at higher number of threads
547952010-06-25
7:46
2010-08-23
19:12
MySQL Server: DB2SE for IBM iClosed
(4985 days)
S35.1.48IBM i (V5R4)AnyQSQSRVR in the Same SubSystem of mysqld
582252010-11-16
11:21
2011-07-27
17:07
MySQL Server: OptimizerClosed
(4647 days)
S25.1.49, 5.1.54, 5.5.7Windows (Server 2003)AnyExtreme performance degradation with joins
342202008-02-01
10:42
2008-03-01
11:11
Connector / NETClosed
(5890 days)
S35.1.5AnyAnyBug in MySql.Data.MySqlClient.Statement TokenizeSql + Performance issue
395622008-09-20
18:40
2011-02-16
23:43
Connector / ODBCClosed
(5016 days)
S15.1.5Windows (XP SP3)AnySQLForeignKeys unacceptable performance getting imported FK
572282010-10-04
20:22
2011-02-16
23:44
MySQL Server: DocumentationClosed
(4941 days)
S35.1.51LinuxAnyNo ICC-compiled tarball for MySQL 5.1.51
613412011-05-28
15:37
2012-01-05
20:15
MySQL Server: InnoDB Plugin storage engineClosed
(4485 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
(4198 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
(4131 days)
S55.1.52, 5.1.64AnyAnyis the call to ibuf_merge_or_delete_for_page from buf_page_get_gen redundant?
645572012-03-06
0:12
2012-10-08
18:33
MySQL Server: OptimizerClosed
(4208 days)
S25.1.56, 5.5.20, 5.6.4Windows (XP Pro SP3)AnyCorrelated subquery performance is degraded in releases alfter 5.0
366622008-05-12
5:58
2012-05-25
20:38
Connector / JClosed
(4344 days)
S35.1.6AnyAnyTimeUtil.java: MEST mapping n/a
168722006-01-28
19:21
2006-02-14
8:56
MySQL Cluster: Cluster (NDB) storage engineClosed
(6636 days)
S25.1.6-alphaLinux (Linux 32 Bit OS)AnyDD: Unable to restart after shutdown
404402008-10-30
17:34
2011-02-16
23:43
Connector / JClosed
(5443 days)
S55.1.7AnyAnyPerformance bottleneck using batched statements
415322008-12-17
9:06
2011-02-16
23:43
Connector / JClosed
(5493 days)
S55.1.7AnyAnySlower performance since 5.1.7 with rewriteBatchedStatements option
178942006-03-03
12:00
2006-03-15
12:52
MySQL Server: PartitionsClosed
(6607 days)
S15.1.7Linux (Linux, Windows)AnyComparison with "less than" operator fails with Range partition
399622008-10-09
20:08
2008-10-14
14:48
Connector / JClosed
(5663 days)
S55.1.7AnyAnyResultSet.findColumn performance enhancement
440562009-04-02
21:37
2011-02-16
23:43
Connector / JClosed
(5478 days)
S15.1.7WindowsAnyResultSet from getGeneratedKeys() can not be closed => Java Heap Space exceeds
567172010-09-10
16:20
2011-02-16
23:44
Connector / ODBCClosed
(4961 days)
S35.1.7AnyAnySQLDescribeCol and SQLColAttribute cannot be called before SQLExecute
701392013-08-23
16:03
2014-06-23
9:17
MySQL Server: InnoDB Plugin storage engineClosed
(3585 days)
S55.1.72WindowsAnyPerformance of "ALTER TABLE..." queries
497452009-12-16
19:40
2011-02-16
23:44
Connector / JClosed
(5212 days)
S25.1.9+AnyAnydeleteRow() for updatable result sets can cause full table scan
532042010-04-27
14:17
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(4984 days)
S35.1+WindowsAnyos_fastmutex_trylock is implemented incorrectly on Windows
707332013-10-26
14:55
2013-10-30
8:12
MySQL Server: DocumentationClosed
(3821 days)
S35.1+AnyAnyPartition examples should include a primary key
256582007-01-16
19:34
2011-02-16
23:43
MySQL Server: OptimizerClosed
(5588 days)
S15.2.0 falcon-alpha and now 5.2.3Linux (Linux Fedora Core 6)AnyGroup by Performance is slow
558662010-08-09
21:49
2013-02-06
21:14
MySQL Workbench: SQL EditorClosed
(4087 days)
S35.2.26MacOS (10.6.4)AnyWorkbench freezes when changing default schema while table list is retrieved
561442010-08-20
13:29
2011-02-16
23:44
MySQL Workbench: AdministrationClosed
(4873 days)
S35.2.26 CEWindows (Windows 7 64bit)AnyWorkbench Administration, Connections tab, list always scrolling itself
572702010-10-06
5:38
2013-03-25
15:36
MySQL Workbench: ModelingClosed
(4040 days)
S35.2.28 CE Rev. 6722Windows (Windows XP Pro SP 3)AnyMySQL Workbench has bad memory leak during model diagram manipulations
580982010-11-09
22:19
2011-11-22
6:38
MySQL Workbench: AdministrationClosed
(4529 days)
S25.2.29 CE GA, 5.2.30, 5.2.31aWindows (WS2008 Std SP2 x86 32-bit, Win7 Pro x64 64-bit (MySQL Srv 5.1.44, 5.1.48, 5.5.8 (32-bit/64-bit) GA)AnyServer Admin Manage Import/Export link Returns Error
587332010-12-04
17:11
2011-02-16
23:44
MySQL Workbench: SQL EditorClosed
(4877 days)
S55.2.30Other (Windows 7 x64)Anymysql workbench performance is very slow
700032013-08-12
21:32
2014-08-25
15:47
MySQL Workbench: AdministrationClosed
(3522 days)
S35.2.47 CE, 6.0.6AnyAnyMySQL Admin 'Options Files' has duplicated items, new Defaults needs adjusts
432222009-02-26
11:00
2011-02-16
23:43
Connector / NETClosed
(5502 days)
S25.3AnyAnyException in C/NET when calling stored procedure with BINARY(16) parameter
369972008-05-27
7:35
2008-07-08
15:03
Connector / NETClosed
(5761 days)
S25.3.0.0AnyAnyPossible Overflow in ReadLong
372392008-06-06
7:26
2008-07-08
16:43
Connector / NETClosed
(5761 days)
S35.3.0.0AnyAnyMySqlReader GetOrdinal performance changes break existing functionality
597062011-01-25
7:25
2013-02-07
20:27
MySQL Workbench: ModelingClosed
(4086 days)
S25.3.21 CE build 7115Windows (XP SP3)AnyMemory leak and slow performance
466522009-08-11
14:39
2011-02-16
23:44
MySQL ServerClosed
(5341 days)
S35.4.2 SummitLinuxAnyndb_restore_compat gives Valgrind error in open_binary_frm()
562672010-08-25
18:55
2013-09-30
16:17
MySQL Server: PackagingClosed
(3851 days)
S35.5LinuxAnytcmalloc lib (libtcmalloc_minimal.so) is missing from mysql 5.5 binary
569332010-09-22
13:26
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(4877 days)
S25.5AnyAnyInnoDB does more writes in 5.5 than in 5.1 on buffer pool challenged workloads
583842010-11-22
14:41
2011-02-16
23:44
MySQL Server: DocumentationClosed
(4892 days)
S35.5AnyAnyDocs issue -Asynchronous I/O on Linux
655532012-06-07
12:52
2013-03-11
19:30
MySQL Server: DocumentationClosed
(4054 days)
S35.5AnyAnymysqldump --single-transaction warning is invalid since MySQL 5.5.3
689962013-04-18
12:58
2013-05-07
17:38
MySQL Server: DocumentationClosed
(3997 days)
S35.5, 5.6AnyAnyPartitioning is not in SHOW ENGINES
770642015-05-18
8:43
2015-07-27
12:10
MySQL Server: DocumentationClosed
(3186 days)
S35.5, 5.6AnyAnyManual does not say anything about a known performance problem with TRUNCATE
775772015-07-01
10:51
2015-07-15
12:18
MySQL Server: Performance SchemaClosed
(3199 days)
S35.5, 5.6, 5.7AnyAnysetup_timers initialization assumes CYCLE timer is always available
718082014-02-23
12:38
2018-01-31
14:40
MySQL Server: Performance SchemaClosed
(2267 days)
S35.5, 5.6, 5.7AnyAnyRemove the TICK timer in performance_schema
776202015-07-05
15:29
2018-02-18
18:29
MySQL Server: Performance SchemaClosed
(3119 days)
S35.5, 5.6, 5.7AnyARMNo cycle timer implementation for AArch64
572752010-10-06
8:53
2011-02-16
23:44
MySQL Server: ReplicationClosed
(4850 days)
S35.5, next-mrAnyAnybinlog_cache_size affects trx- and stmt-cache and gets twice the expected memory
699412013-08-06
16:27
2013-09-16
17:48
MySQL Server: DocumentationClosed
(3865 days)
S35.5,5.6,5.7AnyAnyInaccurate doc in reference manual for SSL performance
491112009-11-25
20:11
2012-08-30
14:32
MySQL Server: OptimizerClosed
(4247 days)
S35.5.0-beta, 5.1AnyAnyChange in execution plan for count_distinct_group_on_key causes peformance drop
766272015-04-09
3:44
2018-12-03
3:24
MySQL Server: InnoDB storage engineClosed
(3249 days)
S55.5.24, 5.6.24Linux (CentOS6.5)AnyMySQL/InnoDB mix buffered and direct IO
422592009-01-22
6:36
2012-07-31
12:15
MySQL Server: DMLClosed
(4277 days)
S25.5.25Linux (Ubuntu 12.04 x86_64)AnyUtilizing a SELECT within a WHERE IN performs poorly (slow)
678992012-12-13
18:26
2013-02-24
19:43
MySQL Server: OptimizerClosed
(4069 days)
S55.5.27Linux (CentOS 6.3)AnyAdding LIMIT to query increases time from 2 seconds to 42 minutes
680082013-01-02
7:02
2013-01-14
17:20
MySQL Server: Performance SchemaClosed
(4110 days)
S25.5.28, 5.5.29LinuxAnySegmentation fault in performance_schema with history size 0
528092010-04-14
7:07
2011-02-16
23:44
MySQL Server: InstallingClosed
(4968 days)
S25.5.3Windows (XP-SP3 (any))AnyNo performance_schema on WIndows
554622010-07-21
23:22
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4988 days)
S55.5.3-m3AnyAnyPerformance schema: reduce the overhead of PFS_events_waits::m_wait_class
536172010-05-13
8:15
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5004 days)
S35.5.3-m3, 5.5.4-m3AnyAnyMissing performance schema tables not reported in the server log at startup
547822010-06-24
15:31
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5004 days)
S35.5.3-m3, 5.5.4-m3AnyAnyPerformance schema per thread accounting and thread cache
525862010-04-04
17:49
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5004 days)
S35.5.3-m3, 5.5.4-m3AnyAnyMisleading error message on attempt to access a P_S table using a wrong name
538742010-05-21
6:56
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4969 days)
S35.5.3-m3, 5.5.4-m3AnyAnySETUP_INSTRUMENTS.TIMED='NO' should not change TIMER_WAIT in aggregations
528072010-04-14
6:40
2011-02-16
23:44
MySQL Server: DocumentationClosed
(5116 days)
S35.5.3+AnyAnyFLAGS field in EVENTS_WAITS_CURRENT is not documented
685742013-03-05
13:42
2021-08-13
10:40
MySQL Server: InnoDB storage engineClosed
(977 days)
S35.5.30, 5.6.16Windows (win7 sp1 ent)AnyNo instrumentation for InnoDB files in P_S on windows
721622014-03-29
20:02
2014-04-29
20:07
MySQL Server: Stored RoutinesClosed
(3640 days)
S25.5.35-0ubuntu0.12.04.2 (Ubuntu)Linux (Linux 3.2.0-60-generic-pae i686)AnyInsert fail caused by trigger
522892010-03-23
2:04
2011-02-16
23:44
MySQL Server: LockingClosed
(5024 days)
S25.5.3pre/5.5.4preAnyAnyperformance regression for MyISAM in sysbench OLTP_RW test
525882010-04-05
2:45
2011-02-16
23:44
MySQL Server: InnoDB Plugin storage engineClosed
(5032 days)
S25.5.4/iplugin1.1AnyAnyInnoDB: performance regression in sysbench OLTP_RW test
565852010-09-06
9:38
2011-02-16
23:44
MySQL Server: WindowsClosed
(4885 days)
S55.5.5WindowsAnySlowdown of readonly sysbench benchmarks (e.g point_select) on Windows 5.5
549142010-06-30
13:08
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(4921 days)
S55.5.5AnyAnyInnoDB: performance drop with innodb_change_buffering=all
548352010-06-27
8:56
2011-02-16
23:44
Tools: MTR / mysql-test-runClosed
(4988 days)
S35.5.5-m3AnyAnyMTR version 1 cannot start server - bootstrap reports unknown InnoDB engine
550152010-07-05
22:45
2011-02-16
23:44
MySQL Server: InstallingClosed
(4973 days)
S35.5.5-m3LinuxAnyMySQL server is not restarted properly after RPM upgrade
545632010-06-16
19:19
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(5052 days)
S35.5.5preAnyAnyInnoDB: Performance drop in varios sysbench tests
597992011-01-28
18:00
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4814 days)
S35.5.6AnyAnyhandler statistics for the performance schema engine
574302010-10-13
13:41
2015-11-23
10:42
MySQL Server: OptimizerClosed
(3067 days)
S35.5.6-rc, 5.5.7LinuxAnyquery optimizer does not pick covering index for some "order by" queries
579812010-11-04
14:57
2012-02-13
3:42
MySQL Server: InnoDB storage engineClosed
(4446 days)
S35.5.7-m3SolarisAnyUNIV_DEBUG causes big performance degradation for some operations on Solaris
591632010-12-24
17:20
2012-01-05
0:37
MySQL Server: InnoDB storage engineClosed
(4485 days)
S25.5.8AnyAnySingle user session performance in InnoDB
587662010-12-06
22:48
2014-01-29
0:51
MySQL ServerClosed
(3730 days)
S25.5.8Any (Linux)AnyServer binary was compiled without fast-mutexes
588582010-12-10
8:29
2011-02-16
23:44
Tests: EngineClosed
(4827 days)
S35.5.8AnyAnysys_vars.innodb_max_dirty_pages_pct_func fails sporadically
593932011-01-10
12:47
2011-04-25
13:15
MySQL Server: OptionsClosed
(4740 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
565232010-09-03
1:12
2011-02-16
23:44
MySQL Server: MyISAM storage engineClosed
(4896 days)
S25.6AnyAnyInstrumentation regression in myisam/mi_rprev.c
571062010-09-29
16:04
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4875 days)
S35.6AnyAnyRobustness of memcpy calls in the performance schema
586202010-12-01
6:27
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4875 days)
S35.6AnyAnyPerformance schema failed assert, pfs_instr_class.cc, line 956
589862010-12-16
20:23
2011-02-16
23:44
MySQL Server: CompilingClosed
(4849 days)
S35.6AnyAnytrunk does not build without performance schema
597402011-01-26
14:07
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4814 days)
S35.6FreeBSDAnyPerformance schema test failures on freebsd
696532013-07-03
5:34
2013-10-01
15:41
MySQL Server: LoggingClosed
(3850 days)
S35.6AnyAnyUse of uninitialized pthread_getspecific() key in debug builds
707052013-10-23
15:42
2019-07-14
22:57
MySQL Server: DocumentationClosed
(2948 days)
S35.6AnyAnyPerformance impact of row constructors is not properly documented
707412013-10-27
13:25
2016-11-09
10:26
MySQL Server: DocumentationClosed
(2715 days)
S35.6AnyAnyInnoDB background stats thread is not properly documented
711092013-12-08
14:44
2015-12-12
23:28
MySQL Server: DocumentationClosed
(3048 days)
S35.6AnyAnyDocumentation for attributes as part of COM_CHANGE_USER is missing
713012014-01-05
13:24
2014-01-22
13:41
MySQL Server: DocumentationClosed
(3737 days)
S35.6AnyAnyManual mentions COM_FETCH "command" that does not exist (any more)
713192014-01-08
21:08
2014-01-22
16:48
MySQL Server: DocumentationClosed
(3737 days)
S35.6AnyAnyUnclear text in table_open_cache_instances description
718012014-02-22
16:39
2015-10-14
21:46
MySQL Server: DocumentationClosed
(3107 days)
S35.6AnyAnyManual should explain what connection attributes are set by mysql clients
719942014-03-10
15:20
2014-03-11
13:07
MySQL Server: DocumentationClosed
(3689 days)
S35.6AnyAnyWrong statement in the note about InnoDB Tablespace Monitor's deprecation
729482014-06-11
3:44
2018-07-30
17:32
MySQL Server: InnoDB storage engineClosed
(2087 days)
S35.6AnyAnylock_table can be optimized if updating the same table concurrently
759682015-02-19
12:51
2016-02-02
19:47
MySQL Server: InnoDB storage engineClosed
(3295 days)
S35.6AnyAnyMitigate the strictness of strict_* modes of innodb_checksum_algorithm
877562017-09-14
12:55
2017-10-02
11:17
MySQL ServerClosed
(2388 days)
S55.6AnyAnyJOINS and SUBQUERIES: huge performance difference between MySQL 5.5 and 5.6
939412019-01-15
18:53
2019-01-24
18:30
MySQL Server: DocumentationClosed
(1909 days)
S35.6AnyAny"Configuring Thread Concurrency for InnoDB" documentation page missing for 5.6
564752010-09-01
23:17
2011-07-22
18:21
MySQL Server: Performance SchemaClosed
(4652 days)
S35.6AnyAnyMissing thread states in performance_schema.THREADS / SHOW PROFILE
668652012-09-19
3:18
2017-01-25
14:20
MySQL ServerClosed
(2638 days)
S35.6AnyAnyPerformance degradation in MySQL 5.6
693182013-05-25
16:27
2013-07-03
14:09
MySQL Server: DocumentationClosed
(3940 days)
S35.6AnyAnyperformance_schema_max_thread_instances documentation tweak
710412013-11-29
18:39
2017-09-05
1:11
MySQL ServerClosed
(2415 days)
S35.6AnyAnyPlease, document every instrument in P_S.setup_instruments in details
712782014-01-02
17:22
2014-02-17
18:07
MySQL Server: Performance SchemaClosed
(3711 days)
S35.6AnyAnyNUMBER OF ROWS IN PERFORMANCE SCHEMA TABLES
713182014-01-08
20:48
2014-07-10
14:45
MySQL Server: DocumentationClosed
(3568 days)
S35.6AnyAnytable_open_cache "autosizing" in 5.6.12+ is not explained in the manual
745742014-10-26
18:54
2014-12-04
15:29
MySQL Server: DocumentationClosed
(3421 days)
S35.6AnyAnyDefaults for performance_schema statements history not clear
700182013-08-13
19:42
2013-10-07
18:18
MySQL Server: Performance SchemaClosed
(3844 days)
S55.6 / 5.7AnyAnyPFS Overhead on frequent connect/disconnect
735822014-08-14
12:18
2014-09-29
16:48
MySQL Server: DocumentationClosed
(3487 days)
S35.6 5.7AnyAnyDocumentation says group commit for the binary log works only if sync_binlog=0
609612011-04-23
18:59
2014-03-28
19:39
MySQL ServerClosed
(4352 days)
S25.6, 5.5, 5.1AnyAnyshow tables very slow when not in system disk cache
753882015-01-01
20:29
2015-06-02
14:45
MySQL Server: DocumentationClosed
(3241 days)
S35.6, 5.7AnyAnyManual does not really explain how to get information on InnoDB mutexes from P_S
728112014-05-30
7:49
2016-01-05
17:22
MySQL Server: CompilingClosed
(3200 days)
S55.6, 5.7LinuxAnySet NUMA mempolicy for optimum mysqld performance
853522017-03-08
0:44
2017-08-14
12:36
MySQL Server: ReplicationClosed
(2437 days)
S55.6, 5.7, 5.6.35AnyAnyReplication regression with RBR and partitioned tables
1006332020-08-25
11:38
2020-08-28
11:03
MySQL Server: DocumentationClosed
(1327 days)
S35.6, 5.7, 8.0AnyAnyTypo on "Performance Schema Statement Event Tables" manual pages
853312017-03-06
19:46
2017-09-27
2:00
MySQL Server: CharsetsClosed
(2393 days)
S35.6, 5.7, etc, 5.6.35AnyAny_characterset specifications have lousy performance for some character sets
680892013-01-15
11:46
2013-01-30
18:17
MySQL Server: DocumentationClosed
(4094 days)
S35.6, 5.7.1, 5.5.30AnyAnyManual refers to wrong (old?) column names for some P_S tables
1010862020-10-08
6:00
2020-10-08
11:11
MySQL Server: DocumentationClosed
(1286 days)
S35.6,5.7,8.0AnyAnyFalse Claim: When MySQL is used with the Apache Web server
685882013-03-06
22:00
2019-08-27
15:11
MySQL Server: InnoDB storage engineClosed
(4012 days)
S55.6.10AnyAnyremove most calls to os_thread_sleep from innodb
686712013-03-14
10:17
2013-05-23
17:27
MySQL Server: DocumentationClosed
(3981 days)
S35.6.10AnyAnyinnodb_thread_sleep_delay documentation
690202013-04-21
11:06
2015-05-31
11:21
MySQL Server: InnoDB storage engineClosed
(3243 days)
S35.6.11AnyAnyCRC32 not handled correctly + MySQL tables not CRC32 compliant
693822013-06-02
19:42
2013-07-09
14:16
MySQL Server: Performance SchemaClosed
(3934 days)
S35.6.11AnyAnyPerformance schema, degradation under stress when internal buffers are full
697272013-07-11
18:41
2016-02-25
12:24
MySQL Server: Performance SchemaClosed
(3840 days)
S35.6.11WindowsAny--performance_schema_instrument value quoting is problematic
694192013-06-07
7:04
2013-08-26
14:08
MySQL Server: OptionsClosed
(3886 days)
S25.6.12AnyAnyUndocumented and untested table_open_cache table_definition_cache default change
690292013-04-22
3:04
2013-04-25
4:55
MySQL Server: InnoDB storage engineClosed
(4009 days)
S55.6.12AnyAnyArbitrary flushing performance limitation is bad
694222013-06-07
9:18
2014-02-03
11:41
MySQL Server: InnoDB storage engineClosed
(3774 days)
S55.6.12AnyAnysmall performance impact with heap block debugging info in release builds
696172013-06-28
19:10
2014-02-10
11:28
MySQL Server: InnoDB storage engineClosed
(3725 days)
S35.6.12AnyAny5.6.12 removed UNIV_SYNC_DEBUG from UNIV_DEBUG
700012013-08-12
18:46
2017-06-23
9:11
MySQL Server: PartitionsClosed
(3814 days)
S15.6.13AnyAnyPartitioned tables do not use ICP - severe performance loss after partitioning
700252013-08-14
7:00
2014-02-03
10:42
MySQL Server: OptimizerClosed
(3794 days)
S25.6.13Linux (Oracle Linux 6)AnyUpdate on P_S setup_consumers and threads through JOIN only updates first row
700212013-08-13
20:52
2013-10-03
13:38
MySQL Server: OptimizerClosed
(3848 days)
S55.6.13AnyAnyPoor execution of a plan with unnecessary "range checked for each record"
700282013-08-14
8:08
2013-10-01
16:39
MySQL Server: Performance SchemaClosed
(3850 days)
S25.6.13Linux (Oracle Linux 6)AnyP_S threads.INSTRUMENTED not set according to setup_actors
705772013-10-09
21:47
2013-10-15
18:19
MySQL Server: Performance SchemaClosed
(3836 days)
S35.6.14AnyAnyRead/Write mutexes on Binlog delegate classes are not counted on perf schema
705832013-10-10
8:14
2014-08-06
17:08
MySQL Server: ReplicationClosed
(3576 days)
S25.6.14AnyAnyINSERT ON DUPLICATE KEY UPDATE failing after MySQL 5.6 upgrade.
712982014-01-05
12:31
2014-03-29
18:21
MySQL Server: Performance SchemaClosed
(3721 days)
S35.6.15AnyAny"Waiting to get readlock" stage is not used in 5.6 any more
718882014-02-28
16:07
2018-11-01
16:14
MySQL Server: DocumentationClosed
(1993 days)
S35.6.15AnyAnyImprove performance_schema.host_cache documentation
712892014-01-04
15:21
2015-12-10
22:34
MySQL Server: DocumentationClosed
(3050 days)
S35.6.15AnyAnyPERFORMANCE_SCHEMA.THREADS table misses port in PROCESSLIST_HOST column
718752014-02-28
8:24
2014-03-04
14:29
MySQL Server: DocumentationClosed
(3696 days)
S35.6.15AnyAnyinnodb_old_blocks_time documentation is inconsistent.
725182014-05-02
23:42
2015-08-30
20:59
MySQL Server: OptimizerClosed
(3152 days)
S55.6.16AnyAnyUPDATE ORDER BY does a filesort if updating a column in the index
721602014-03-29
18:20
2014-03-31
17:01
MySQL Server: DocumentationClosed
(3669 days)
S35.6.17AnyAnyBug 71298 incorrectly documented as fixed in 5.6.17
728542014-06-03
20:12
2017-10-05
15:43
MySQL Server: OptimizerClosed
(2385 days)
S25.6.17AnyAnyExtremely slow performance with outer joins and join buffer
727192014-05-22
6:58
2014-07-18
12:25
MySQL Server: Performance SchemaClosed
(3560 days)
S35.6.17Linux (CentOS 6)AnyPerformance Schema behavior on hosts with low RAM
727882014-05-28
14:33
2017-01-03
11:09
MySQL Server: Row Based Replication ( RBR )Closed
(3519 days)
S25.6.17, 5.6.19, 5.7.5, 5.6.20WindowsAnyHASH_SCAN seems broken: Can't find record in 't1' Error_code: 1032
755702015-01-21
7:52
2016-02-20
17:43
MySQL Server: ReplicationClosed
(3277 days)
S25.6.20LinuxAnysemi-sync replication performance degrades with a high number of threads
757652015-02-04
15:17
2015-03-10
13:30
MySQL Server: Performance SchemaClosed
(3325 days)
S35.6.23AnyAnyPerformance Schema statement digest generation is broken with null values
797842015-12-28
6:50
2016-01-21
15:06
MySQL Server: Performance SchemaClosed
(3008 days)
S35.6.24 5.7.10AnyAnyupdate setup_instruments do not affect the global mutex/rwlock/cond
769332015-05-04
17:26
2016-11-16
15:56
MySQL Server: OptimizerClosed
(2708 days)
S55.6.24, 5.6.25LinuxAnyPerformance Regression in 5.6: Update does not use index
777782015-07-19
5:57
2017-03-31
17:24
MySQL Server: ReplicationClosed
(2573 days)
S35.6.25AnyAnytuning the log_lock contention for IO_THREAD and SQL_THREAD in rpl_slave.cc
626772011-10-11
2:09
2011-11-30
16:55
MySQL Server: DocumentationClosed
(4521 days)
S35.6.3AnyAnyI don't understand the docs for innodb_random_read_ahead
829622016-09-13
0:52
2017-03-13
14:52
MySQL Server: DocumentationClosed
(2591 days)
S35.6.31AnyAnymax_digest_length connected to, not replaced by, performance_schema_max_digest_l
832472016-10-03
14:02
2016-12-15
15:06
MySQL Server: OptimizerClosed
(2742 days)
S35.6.33AnyAnySevere regression in my_strnxfrm() from mysql-5.5 -> 5.6
915892018-07-10
9:44
2018-07-10
9:51
MySQL ServerClosed
(2107 days)
S35.6.33-79.0CentOS (6.3)x86Invalid primary key improves query performance
844572017-01-10
12:53
2017-02-16
14:10
MySQL Server: Performance SchemaClosed
(2616 days)
S35.6.35LinuxAnyPerformance Schema 5.6.35 unittest pft-t failing
843052016-12-22
1:22
2017-03-24
14:43
MySQL Server: Information schemaClosed
(2580 days)
S25.6.35AnyAnyThe fix for Bug#78777 has different behavior with perf. schema vs. without it
670982012-10-05
10:19
2012-12-13
16:57
MySQL Server: Performance SchemaClosed
(4142 days)
S35.6.5, 5.7.0AnyAnyperformance schema shows stray temporray tables
693682013-05-31
20:36
2013-10-11
16:23
MySQL Server: DMLClosed
(3840 days)
S55.6.6AnyAnyperformance regression in 5.6.6+ for insert into .... select ... from
664732012-08-21
1:49
2016-08-04
0:38
MySQL Server: LockingClosed
(4068 days)
S55.6.6-m9AnyAnyMySQL 5.6.6-m9 has more mutex contention than MySQL 5.1
665872012-08-28
23:04
2013-05-23
16:55
MySQL Server: InnoDB storage engineClosed
(3981 days)
S35.6.7AnyAnyBehavior of read-only transactions differs from documentation
674322012-10-31
5:46
2012-12-11
1:49
MySQL Server: OptimizerClosed
(4144 days)
S55.6.7AnyAnySerious performance degradation for the query with ORDER BY ... LIMIT n
675252012-11-08
18:46
2013-06-19
19:35
MySQL Server: DocumentationClosed
(3954 days)
S35.6.8+AnyAnyprofiling, have_profiling etc. in MySQL 5.6.8+
681712013-01-24
15:33
2013-07-08
13:18
MySQL Server: InnoDB storage engineClosed
(3935 days)
S35.6.9-rcAnyAnyImprove documentation of how InnoDB tables can be copied between instances
536962010-05-17
11:07
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4856 days)
S35.6.99AnyAnyPerformance schema engine violates the PSEA API by calling my_error()
544672010-06-13
12:47
2011-04-20
13:48
MySQL Server: Performance SchemaClosed
(4745 days)
S25.6.99Any (Linux and Mac OSX)Anyperformance schema complains of wrong structure in bootstrap mode
809142016-03-30
23:01
2016-03-31
1:51
MySQL Server: ReplicationClosed
(2938 days)
S35.6.xAnyAnyNO_ENGINE_SUBSTITUTION doesn't work with replication
588972010-12-13
12:12
2011-04-05
11:07
MySQL Server: ReplicationClosed
(4760 days)
S35.6+AnyAnyRpl_info_table::do_is_transactional causes too much overhead
591112010-12-22
10:40
2011-02-16
23:44
MySQL Server: GISClosed
(4815 days)
S35.6+AnyAnygis crashes when server is compiled without performance schema
726402014-05-14
6:05
2014-07-21
15:34
MySQL Server: ReplicationClosed
(3570 days)
S35.7AnyAnyrpl.rpl_circular_for_4_hosts fails with result mismatch nondeterministic results
765092015-03-27
14:45
2015-04-06
23:36
MySQL Server: ParserClosed
(3305 days)
S35.7AnyAnyuse atomics to avoid MUTEX CONTENTION ON LOCK_PLUGIN DUE TO QUERY REWRITE FRAMEW
788482015-10-15
18:47
2015-10-27
12:39
MySQL Server: DocumentationClosed
(3094 days)
S35.7AnyAnyDocs still claim Performance Schema does not allocate memory after startup
807372016-03-14
21:24
2016-03-17
0:14
MySQL Server: InnoDB storage engineClosed
(2953 days)
S35.7AnyAny"How MySQL Uses Memory" is myisam centric
807802016-03-17
11:55
2016-04-14
0:45
MySQL Server: Performance SchemaClosed
(2940 days)
S35.7AnyAnyAdd Performance Schema / sys Schema Memory Monitoring Example
702092013-08-31
9:38
2014-10-22
15:25
MySQL Server: DocumentationClosed
(3464 days)
S35.7AnyAnyIncorrect description of innodb_max_dirty_pages_pct_lwm and innodb_flushing_avg
729772014-06-12
6:01
2014-07-21
15:45
Tests: ReplicationClosed
(3570 days)
S35.7AnyAnyTaking write lock while adding a GTID into gtid set is not good to performance
1024662021-02-03
9:32
2021-02-05
7:22
MySQL Server: DocumentationClosed
(1166 days)
S35.7AnyAnyWrong default for performance_schema_digests_size on Statement Summary Tables
829422016-09-12
4:39
2016-09-14
16:16
MySQL Server: DocumentationClosed
(2771 days)
S35.7AnyAnyUpdate Buffer Pool Progress documentation for 5.7
830792016-09-21
13:16
2019-01-10
14:59
MySQL Server: InnoDB storage engineClosed
(2549 days)
S25.7AnyAnylong semaphore wait often resulting in crash, DICT_SYS mutex held by statistics
832872016-10-06
12:54
2016-11-19
16:28
MySQL Server: OptimizerClosed
(2708 days)
S35.7AnyAnycreated_tmp_tables statistic is wrong
818542016-06-15
7:55
2016-11-23
18:58
MySQL Server: OptimizerClosed
(2701 days)
S35.7, 5.7.13AnyAnyForce index is skipped while executing select count(*)
730562014-06-19
21:34
2018-03-15
14:17
MySQL Server: Prepared statementsClosed
(2958 days)
S55.7, 5.7.8AnyAnyPrepared Statements ABSURDLY SLOW due to inefficient query creation for logging
868952017-07-01
19:06
2018-01-12
3:45
MySQL Server: DocumentationClosed
(2286 days)
S35.7, 8.0AnyAnyMissing descriptions for some DISABLE_PSI_* CMake options
924302018-09-14
23:06
2018-09-19
15:01
MySQL Server: DocumentationClosed
(2036 days)
S35.7, 8.0AnyAnyTypo in 5.7 reference manual - word "can" used 2 times
796202015-12-13
11:22
2015-12-17
23:35
MySQL Server: DocumentationClosed
(3043 days)
S35.7.10AnyAny_runtime_version missing in docs
799342016-01-12
10:48
2016-02-19
17:58
MySQL Server: Performance SchemaClosed
(2981 days)
S35.7.11AnyAnyi_perfschema.table_leak random result failure
815642016-05-24
8:23
2016-08-01
12:35
MySQL Server: SYS SchemaClosed
(2847 days)
S35.7.12AnyAnyps_setup_show_enabled and ps_setup_show_disabled and company issues
815612016-05-24
7:22
2016-05-28
5:46
MySQL ServerClosed
(2880 days)
S15.7.12AnyAnyMySQL 5.7 is 11% to 37% slower then 5.6 when using 4 threads
824222016-08-03
11:27
2017-01-26
19:15
MySQL Server: ReplicationClosed
(2678 days)
S35.7.14AnyAnyGTIDS REDUCE PERFORMANCE ON WORKLOADS WITH MANY SMALL TRANSACTIONS
819102016-06-17
16:35
2016-11-02
13:34
MySQL Server: ReplicationClosed
(2790 days)
S35.7.14AnyAnyWRITE SET HASHES SHOULD HAVE A 64BITS OPTION TO REDUCE WRITE CONFLICTS
831662016-09-27
10:09
2016-11-21
17:45
MySQL Server: GISClosed
(2713 days)
S55.7.15AnyAnyQuery execution involving spatial and non-spatial data very slow
832702016-10-05
14:13
2017-04-11
7:25
MySQL Server: ReplicationClosed
(2562 days)
S55.7.15AnyAnyPerformance degradation when the server has many gtids
847732017-02-01
14:29
2017-10-04
14:14
MySQL Server: Group ReplicationClosed
(2386 days)
S55.7.17LinuxAnyFlow control slows down throughput while a node join the cluster
856862017-03-29
14:08
2017-10-27
17:21
MySQL Server: DocumentationClosed
(2363 days)
S35.7.17AnyAny[Warning] option 'performance_schema_max_statement_classes': value -1 adjusted t
847862017-02-02
8:17
2017-02-03
16:04
MySQL Server: Performance SchemaClosed
(2629 days)
S15.7.17-11AnyAny--performance-schema-digests-size=1 leads to SIGSEGV
866262017-06-08
16:42
2017-11-08
10:28
MySQL Server: Group ReplicationClosed
(2402 days)
S35.7.19AnyAnyGroup replication partition handling thread is not instrumented on perf schema
704022013-09-23
21:35
2013-11-12
1:47
MySQL Server: ErrorsClosed
(3808 days)
S55.7.2AnyAnynew deprecation warnings introduce unwanted performance degradation side-effect
891952018-01-11
19:15
2019-07-25
14:45
MySQL Server: Group ReplicationClosed
(1727 days)
S25.7.20, 8.0.3AnyAnyTotal ordering of transactions is not respected in Group Replication.
914852018-06-29
6:32
2018-07-20
17:10
MySQL Server: InnoDB storage engineClosed
(2097 days)
S55.7.22, 8.0.11AnyAnyut_crc32_hw() checks ut_crc32_cpu_enabled on each call
923642018-09-11
12:06
2019-02-28
18:07
MySQL Server: Performance SchemaClosed
(1874 days)
S35.7.22, 8.0.12AnyAnyevents_transactions_summary_global_by_event_name not working as expected
929642018-10-26
11:57
2020-09-18
19:38
MySQL Server: ReplicationClosed
(1306 days)
S55.7.23Debian (8.0, 9.0)x86Slave performance degrades over time
978222019-11-27
23:58
2020-01-28
2:23
MySQL Server: InnoDB storage engineClosed
(1540 days)
S55.7.28Linux (Centos7)Anybuf_page_get_gen buf_pool->stat.n_page_gets++ is a cpu waste
1006242020-08-24
15:05
2021-02-03
17:46
MySQL Server: Performance SchemaClosed
(1168 days)
S35.7.30, 8.0.21, 5.7.31AnyAnyTotal memory allocation for P_S is different in different sources
1005122020-08-13
9:17
2023-03-03
14:14
MySQL Server: InnoDB storage engineClosed
(700 days)
S55.7.31,8.0.21Linux (3.10.107)x86 (96 cores)adaptive hash index(AHI) building causing contention on btr_search_latches
728292014-06-02
2:02
2015-03-27
14:52
MySQL Server: Security: PrivilegesClosed
(3308 days)
S55.7.4-m14LinuxAnyLOCK_grant is major contention point, leaves 30-40% idle CPU.
764602015-03-23
13:01
2015-04-08
13:31
MySQL Server: OptimizerClosed
(3296 days)
S35.7.5AnyAnyCost constant cache's mutex not instrumented by performance schema
743252014-10-10
19:26
2015-05-22
13:02
MySQL Server: InnoDB storage engineClosed
(3252 days)
S55.7.5AnyAnyupdates to indexed column much slower in 5.7.5
743282014-10-11
4:54
2016-12-12
4:38
MySQL Server: ReplicationClosed
(3333 days)
S35.7.5AnyAnyserious tps decline if gtid is enabled in 5.7
746202014-10-29
16:07
2015-04-06
18:43
MySQL Server: CompilingClosed
(3410 days)
S25.7.5AnyAny mysql_embedded fails when linker selects wrong version of handler constructor
744872014-10-21
19:07
2015-02-16
20:38
MySQL Server: DDLClosed
(3347 days)
S35.7.5-labs-previewAnyAnyprimary key missing for query_rewrite.rewrite_rules
749492014-11-21
6:30
2015-04-06
18:53
MySQL Server: GISClosed
(3368 days)
S35.7.6AnyAnyGIS performance issue: too many reallocs
763052015-03-13
0:13
2015-04-08
13:26
MySQL Server: Performance SchemaClosed
(3296 days)
S35.7.6AnyAnyCom_stmt_reprepare missing in Performance Schema implementation of SHOW STATUS
770922015-05-19
12:16
2016-02-04
18:41
MySQL Server: InnoDB storage engineClosed
(3233 days)
S35.7.6AnyAnyDocument potential benefits of InnoDB General Tablespaces
782642015-08-28
16:11
2016-04-27
15:05
MySQL Server: ReplicationClosed
(3141 days)
S35.7.6AnyAnyDO NOT ALLOCATE MEMORY ON GR PLUGIN P_S INTERFACE IMPLEMENTATION
748322014-11-13
5:54
2017-10-01
13:59
MySQL Server: InnoDB storage engineClosed
(3024 days)
S35.7.7AnyAnyut_delay missing compiler barrier, UT_RELAX_CPU isn't at all relaxing
770942015-05-19
13:13
2018-10-09
14:11
MySQL Server: InnoDB storage engineClosed
(2793 days)
S35.7.7AnyAnyReduce log_sys->mutex contention by allowing concurrent mtr commit and log write
767282015-04-17
4:48
2016-06-07
8:56
MySQL Server: InnoDB storage engineClosed
(2874 days)
S35.7.7AnyAnyreduce lock_sys->mutex contention for transaction that only contains SELECT
774142015-06-19
9:36
2016-02-04
20:01
MySQL Server: OptimizerClosed
(3120 days)
S35.7.7AnyAnyQuery digest does not reflect new optimizer hints
775862015-07-01
16:56
2015-07-01
20:06
MySQL Server: InstallingClosed
(3212 days)
S25.7.7LinuxAnymysqld --initialize --skip-performance-schema fails
765622015-04-01
15:11
2016-02-03
19:32
MySQL Server: Performance SchemaClosed
(3268 days)
S35.7.8AnyAnySeveral performance schema unit tests fails
779442015-08-05
7:11
2015-08-21
18:43
MySQL Server: Performance SchemaClosed
(3161 days)
S35.7.8-rc, 5.7.9LinuxAnyperformance_schema_instrument='%=OFF', not disable all instruments
783152015-09-03
10:15
2016-02-04
16:23
MySQL Server: Performance SchemaClosed
(3148 days)
S35.7.9AnyAnyDefault value of two options in perf schema is not updated in 5.7
794062015-11-25
9:49
2017-12-23
10:50
MySQL Server: GISClosed
(2356 days)
S25.7.9 GA, 5.7.11AnyAnyExtremely poor selection performance compared to MySQL 5.6.27 on InnoDB & MyISAM
744232014-10-16
22:36
2016-02-02
19:15
MySQL Server: ReplicationClosed
(3232 days)
S35.7+AnyAny RECEIVED_TRANSACTION_SET field on replication_connection_status shows garbage
815002016-05-19
9:10
2018-04-30
11:20
MySQL Server: Row Based Replication ( RBR )Closed
(2178 days)
S35.7+AnyAnydead branch in search_key_in_table()
375762008-06-23
6:29
2011-12-06
1:00
MySQL Server: OptimizerClosed
(4515 days)
S56.0Linux (SLES10SP1 (2.6.16.46-0.12-smp))AnyMySQL6.0 performance regression compared with MySQL5.1 using Sysbench read test
456992009-06-24
11:05
2011-02-16
23:44
Connector / NETClosed
(5396 days)
S56.0AnyAnyMySqlHelper.EscapeString() performance can be improved
700572013-08-16
6:21
2013-11-05
20:20
MySQL Workbench: AdministrationClosed
(3815 days)
S36.0MacOS (10.8.4)AnyOption Fields are cut because of GUI problem
465542009-08-04
19:50
2011-02-16
23:44
MySQL Server: Row Based Replication ( RBR )Closed
(4887 days)
S36.0-codebase, mysql-next-mr-wl5092AnyAnyRBR: pending rows event can be flushed too soon sometimes.
353212008-03-16
16:39
2008-07-29
14:07
MySQL Server: DocumentationClosed
(5740 days)
S26.0-falcon-teamAnyAnyFalcon performance issue with concurrent updates
447102009-05-07
9:07
2011-02-16
23:43
MySQL Server: Performance SchemaClosed
(5206 days)
S36.0-perfschemaLinuxAnyassertion failure in mdl when server starts, related to performance schema
439422009-03-29
20:53
2009-05-15
16:05
MySQL Server: Falcon storage engineClosed
(5450 days)
S36.0.10AnyAnyMake SyncObject::backoff really backoff
451082009-05-26
21:26
2011-02-16
23:44
MySQL Server: ReplicationClosed
(5409 days)
S36.0.11AnyAnySlave skip counter not working as expected on debian platform
459562009-07-06
0:03
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S36.0.12-alphaAnyAnyPerformance schema: exotic mysqld startup, bad results
450902009-05-26
7:58
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S36.0.12-alpha-log-perfschemaAnyAnyperformance schema is enabled at startup
492642009-12-01
14:28
2010-03-03
2:09
MySQL Server: BackupClosed
(5158 days)
S26.0.14-backup(2894)AnyAnyBACKUP: Huge slowdown while backup triggers
325122007-11-20
11:43
2008-02-25
18:02
Tests: ServerClosed
(5895 days)
S36.0.4-alpha (pre)Linux (x86 (SuSE 9.3))AnyAll Falcon tests in the "funcs_1" suite are skipped
320622007-11-02
21:26
2007-12-31
14:05
MySQL Server: Falcon storage engineClosed
(5951 days)
S26.0.4-alpha-debugLinux (SUSE 10 64-bit)AnyFalcon: slow shutdown after many blob updates, then crash
346912008-02-20
14:17
2008-07-30
8:41
MySQL Server: DocumentationClosed
(5739 days)
S36.0.4preAnyAnyData for some Falcon tables in I_S is available only with debug binary
366032008-05-08
19:22
2009-01-08
9:41
MySQL Server: Falcon storage engineClosed
(5577 days)
S36.0.5AnyAnyFalcon; Performance drop when ageGroup hits 2^31
691842013-05-09
12:48
2014-11-04
4:32
MySQL Workbench: ModelingClosed
(3451 days)
S56.0.7AnyAnyWorkbench performance issue
387692008-08-13
13:00
2008-09-29
23:14
MySQL Server: BackupClosed
(5678 days)
S56.0.7-backupAnyAnyBackup: write table data does not stop iterating when all drivers are handled
425102009-02-01
9:33
2009-05-15
13:00
MySQL Server: Falcon storage engineClosed
(5450 days)
S26.0.9AnyAnyFalcon: Default memory parameters must be changed
499662009-12-28
22:28
2021-09-23
14:51
Connector / NETClosed
(5192 days)
S16.1.2Windows (Windows 2000)AnyFatal Error when trying to uninstall MySQL Connector Net 6.1.2, can't upgrade
722012014-04-01
20:12
2014-05-14
15:29
MySQL Workbench: AdministrationClosed
(3625 days)
S36.1.4AnyAnyWB 6.1 try to load my_sys55.sql for PERFORMANCE tab, but failed.
733442014-07-21
15:07
2015-02-03
3:27
MySQL Workbench: AdministrationClosed
(3360 days)
S36.1.7AnyAnyUnit Scale (Label) is Wrong
521752010-03-18
11:03
2011-02-16
23:44
Connector / NETClosed
(5108 days)
S36.2.2AnyAnyConnector/Net throws exception and keeps session locked
524462010-03-29
16:00
2011-02-16
23:44
Connector / NETClosed
(5082 days)
S56.2.2WindowsAnyMySqlSessionStateStore performance
751082014-12-04
19:35
2015-01-15
19:26
MySQL ServerClosed
(3379 days)
S26.2.3Windows (Microsoft Windows 7 Home Premium Service Pack 1)AnyNo Connection to MySQL server. Port 3306 not available.
747212014-11-06
22:10
2017-01-21
18:22
MySQL WorkbenchClosed
(2642 days)
S36.2.3 WindowsAnyReadability of Homescreen fonts
524752010-03-30
12:56
2011-02-16
23:44
Connector / NETClosed
(5108 days)
S36.2.xAnyAnyPerformance issue in Connector/NET procedure cache
556092010-07-28
16:17
2011-02-16
23:44
Connector / NETClosed
(5010 days)
S26.3.3AnyAnyDataAdapter.Update() slowdown
790942015-11-03
12:20
2015-11-04
20:27
MySQL WorkbenchClosed
(3086 days)
S16.3.5Windows (10)Any"Error while loading image" on startup, and then doesn't open connection
603662011-03-07
10:43
2011-05-04
14:25
Connector / NETClosed
(4731 days)
S26.3.5, 6.3.6WindowsAnyCalling stored procedure with output parameters may hugely decrease performance
810672016-04-13
11:55
2017-01-20
23:16
MySQL Workbench: AdministrationClosed
(2643 days)
S36.3.6Windows (Microsoft Windows 10 Home)AnyWrong Admin Dashboard image if server stopped and restarted
814702016-05-18
2:00
2018-03-20
19:40
MySQL WorkbenchClosed
(2219 days)
S16.3.6Windows (Microsoft Windows 8.1 Pro)AnyMySQL Workbench for window
751002014-12-04
2:05
2016-05-13
22:34
MySQL Workbench: SQL EditorClosed
(2895 days)
S36.3.7WindowsAnyQuery Stats graph does not render
751012014-12-04
3:58
2016-05-17
22:30
MySQL Workbench: SQL EditorClosed
(2891 days)
S36.3.7AnyAnyQuery Stats Information with P_S enabled/disabled
626532011-10-07
16:13
2011-10-31
17:36
Connector / NETClosed
(4551 days)
S56.4.4AnyAnyPoor performance when adding parameters to MysqlCommand
640122012-01-12
14:34
2012-03-08
19:22
Connector / NETClosed
(4422 days)
S56.4.4.0Windows (7 64-bit)AnyCommandText property set method performance improvement
649352012-04-10
22:53
2014-03-17
11:04
Connector / NETClosed
(4289 days)
S36.5.4Windows (7 x64)AnyLINQ to SQL's StartsWith() and Contains() generate slow LOCATE() instead of LIKE
657232012-06-24
19:31
2016-07-01
8:05
Connector / NETClosed
(3945 days)
S16.5.4.0WindowsAnyMySql Provider for EntityFramework produces "bad" SQL for OrderBy
720582014-03-17
11:03
2014-10-19
23:23
Connector / NETClosed
(3467 days)
S36.8.3AnyAnyMySQL Connector/NET generates incorrect SQL for LINQ 'StartsWith' queries
716262014-02-07
14:36
2021-11-24
16:32
Connector / NETClosed
(874 days)
S26.8.3, 6.9.5WindowsAnyExtra SELECT@@sql_mode queries in batched INSERT
741162014-09-27
11:53
2022-10-26
16:59
Connector / NETClosed
(2848 days)
S36.9.4WindowsAnyConnector fails to use mysql.proc to enumerate stored procedures
647132012-03-21
2:05
2013-10-10
16:27
MySQL Cluster: Cluster (NDB) storage engineClosed
(3841 days)
S37.2.2 - 7.2.5AnyAnyNDB Memcached Performance Regression
768212015-04-24
10:36
2016-02-08
12:45
MySQL Cluster: Cluster (NDB) storage engineClosed
(3259 days)
S37.2.21AnyAnyWatchDog detects no progress in send thread and kills datanode
655912012-06-12
14:52
2013-10-29
18:32
MySQL Cluster: Cluster/JClosed
(3822 days)
S27.2.6, 7.2.14AnyAnyCluster/J doesn't support byte/short types as Primary Key
812292016-04-29
7:50
2016-05-23
23:38
MySQL Cluster: NDB APIClosed
(2898 days)
S37.3AnyAnyClient performance trashed due to threads woken up too early
1095392023-01-05
6:09
2024-03-19
11:01
MySQL Server: InnoDB storage engineClosed
(32 days)
S58.0AnyAnyPerformance of scanning data_lock_waits worse than expected with read-only trx
831432016-09-26
2:52
2017-12-11
15:21
MySQL Server: Data DictionaryClosed
(2318 days)
S58.0AnyAnyPerformance regression in dictionary operations due to metadata locking
1061162022-01-08
15:54
2022-10-18
0:12
MySQL Server: ReplicationClosed
(546 days)
S58.0AnyAnybinlog rotation impact performance
758732015-02-12
9:37
2016-06-18
21:16
MySQL Server: CompilingClosed
(3343 days)
S38.0AnyAnymove key_memory_xxx out of mysqld.h
1010182020-10-01
9:28
2020-10-09
15:44
MySQL Server: Performance SchemaClosed
(1285 days)
S58.0AnyAnyHigh contention on last_value in my_timer_microseconds
1120802023-08-16
6:30
2023-08-16
8:13
MySQL ServerClosed
(244 days)
S38.0AnyAnyNo need call performance schema interface when open temporary table
930432018-11-01
14:45
2018-11-16
14:26
MySQL Server: DocumentationClosed
(1978 days)
S38.0AnyAnyMySQL Manual describes get_lock() behavior in a wrong/unclear way
946552019-03-14
11:04
2021-05-17
14:24
MySQL Server: OptimizerClosed
(1501 days)
S28.0AnyAnySome GIS function do not use spatial index anymore
974712019-11-04
13:53
2019-11-07
18:31
MySQL Server: CompilingClosed
(1622 days)
S38.0AnyAnyFunction passing std::vector<> by value could be sightly improved
1041862021-07-01
15:04
2022-01-25
17:07
MySQL Server: OptimizerClosed
(938 days)
S58.0AnyAnyToo few chunk files are created for hybrid hash join
1064802022-02-17
0:11
2022-05-13
15:49
MySQL Server: DocumentationClosed
(704 days)
S38.0AnyAnyALGORITHM=INSTANT takes exclusive metadata lock on table
987502020-02-26
20:11
2020-05-21
12:09
MySQL Server: Information schemaClosed
(1427 days)
S58.0, 8.0.19AnyAnySHOW FIELDS command regression on MySQL 8.0
1131782023-11-22
9:09
2024-02-19
11:23
MySQL Server: InnoDB storage engineClosed
(63 days)
S58.0, 8.0.35AnyAnyTemptable engine leads to performance degradation
822102016-07-13
6:50
2016-11-19
1:57
MySQL Server: JSONClosed
(2826 days)
S38.0.0AnyAnyJSON memory usage missing from the memory summary tables
793802015-11-23
8:11
2016-06-18
21:34
MySQL Server: GISClosed
(3007 days)
S38.0.0AnyAnyUpgrade to Boost 1.60.0
826312016-08-18
11:45
2016-11-29
1:59
MySQL Server: DDLClosed
(2794 days)
S38.0.1AnyAnystd::basic_string instantiation w/ PFS instrumentation for the DD
833192016-10-10
12:44
2017-07-05
15:37
MySQL Server: CharsetsClosed
(2710 days)
S38.0.1AnyAnyPerformance regression when changing character set to utf8mb4
996012020-05-16
13:29
2020-08-27
14:34
MySQL Server: OptimizerClosed
(1328 days)
S58.0.1-8.0.20Linux (tested on Debian,Ubuntu,CentOS)Other (tested on AMD+Intel)Broken Performance using EXIST function, increasing execution time each loop
859332017-04-13
13:25
2023-11-02
6:30
MySQL Server: OptimizerClosed
(2393 days)
S58.0.1-dmrAnyAnyPerformance regression with Prepared Statements
914202018-06-26
10:03
2018-08-14
17:43
MySQL Server: Data DictionaryClosed
(2072 days)
S38.0.11AnyAnyAllocate DD auto releaser maps on demand
908892018-05-16
14:38
2018-05-29
17:35
MySQL Workbench: AdministrationClosed
(2149 days)
S28.0.11Ubuntu (Ubuntu 18.04 LTS)x86Performance Reports error with MySQL Server 8.0.11
942962019-02-12
18:17
2019-02-13
19:41
MySQL Server: OptimizerClosed
(1889 days)
S58.0.11Ubuntu (Ubuntu 16.04.1 LTS)x86 (x86_64)Poor Optimizer Performance with Composite Index, IN() function, and many Tuples
925322018-09-21
16:26
2021-01-19
15:13
MySQL Server: Performance SchemaClosed
(1184 days)
S38.0.11AnyAnyContribution by Facebook: Performance schema for Query attributes
932812018-11-22
4:03
2018-12-17
23:09
MySQL Server: Performance SchemaClosed
(1964 days)
S18.0.12AnyAnyOdd memory load/increase when using --performance-schema-max-digest-length=large
943602019-02-16
4:44
2022-02-16
18:29
MySQL Server: ReplicationClosed
(798 days)
S38.0.13AnyAnyContribution by Facebook: Don't force flush relay log info
932012018-11-15
6:12
2021-02-03
15:09
Connector / C++Closed
(1168 days)
S58.0.13AnyAnyreconsider the number of SHOW [SESSION] VARIABLES commands run by connector/C++
932992018-11-22
19:02
2019-11-21
2:21
Connector / C++Closed
(1608 days)
S38.0.13AnyAnyTLS cipher selection for X Protocol
920112018-08-14
14:21
2018-08-23
19:43
MySQL Server: CompilingClosed
(2071 days)
S38.0.13AnyAnycmake -DWITHOUT_SERVER=1 is broken
920872018-08-20
14:17
2018-10-03
1:52
MySQL Server: ErrorsClosed
(2022 days)
S38.0.13AnyAnyER_TABLE_WITHOUT_PK can be improved for other cases
929792018-10-28
13:51
2024-01-25
4:35
MySQL Server: InnoDB storage engineClosed
(82 days)
S58.0.13 Communty ServerAnyx86MySQL 8.0 performance degradation on INSERT with foreign_key_checks=0
1095482023-01-09
7:55
2023-12-20
12:33
MySQL Server: DMLClosed
(118 days)
S58.0.13,8.0.31AnyAnyPoor performance when using HASH field to check unique
925112018-09-20
10:49
2018-10-03
2:37
MySQL Server: CompilingClosed
(2030 days)
S38.0.14AnyAnycleanup valgrind.supp
976002019-11-12
20:05
2019-11-26
3:43
MySQL Server: Performance SchemaClosed
(1603 days)
S38.0.17AnyAnyPerfschema socket stats are not captured for SSL connections
996382020-05-20
0:53
2020-12-04
12:54
MySQL Server: InnoDB storage engineClosed
(1230 days)
S58.0.18AnyAnyxa transaction with low performance
980682019-12-25
7:09
2021-02-15
9:11
MySQL Server: Data DictionaryClosed
(1159 days)
S38.0.18, 8.0.11Ubuntu (19.10.1)x86SELECT FOR UPDATE not-exist table in PERFORMANCE SCHEMA reports confusing error
985452020-02-10
23:45
2022-05-02
7:22
MySQL Server: Performance SchemaClosed
(715 days)
S38.0.19AnyAnyPerfschema tables are not collation aware
987392020-02-25
18:27
2020-06-11
17:21
MySQL Server: Storage EnginesClosed
(1405 days)
S38.0.19AnyAnyTempTable storage engine slow if mmap is required
964862019-08-09
13:14
2019-08-19
14:56
MySQL Server: CompilingClosed
(1708 days)
S38.0.19AnyAnyenable LTO by default if building with FPROFILE_USE
991182020-03-31
5:20
2020-11-04
15:43
MySQL Server: InnoDB storage engineClosed
(1259 days)
S58.0.19LinuxARMARM CRC32 intrinsic call to accelerate table-checksum (not crc32c but crc32)
985112020-02-07
10:11
2020-06-30
17:34
MySQL Server: MyISAM storage engineClosed
(1386 days)
S58.0.19, 8.0.20WindowsAnyOPTIMIZE TABLE on myisam can increase table size (~2x) and reduce performance
874362017-08-16
12:20
2017-11-13
9:24
MySQL Server: Data DictionaryClosed
(2392 days)
S38.0.2AnyAnyerror/inplace upgrade to read-only 8.0: Performance schema initialization failed
859822017-04-18
11:20
2017-04-19
14:35
MySQL Server: CompilingClosed
(2554 days)
S38.0.2AnyAnyUse C++11 thread-local storage for current_thd
867102017-06-15
8:57
2017-07-28
2:01
MySQL Server: OptimizerClosed
(2454 days)
S28.0.2-dmr-enterprise-commercial-advancedLinuxAnyPerformance issue of explicit COLLATE clause
997812020-06-04
20:02
2021-02-09
15:27
MySQL Server: CompilingClosed
(1162 days)
S38.0.20AnyAnyPGO build improvement
995932020-05-15
16:05
2021-10-01
13:05
MySQL Server: InnoDB storage engineClosed
(1422 days)
S58.0.20Ubuntu (20.04)AnyPerformance issues in 8.0.20
1017642020-11-26
0:38
2022-04-20
16:17
MySQL Server: Performance SchemaClosed
(806 days)
S38.0.20AnyAnyContribution by Facebook: Add CPU time to statement metrics
1044472021-07-28
16:51
2023-02-01
16:36
MySQL Server: Performance SchemaClosed
(715 days)
S38.0.20AnyAnyContribution by Facebook: Fix freed memory access in performance schema tab ...
1053042021-10-22
19:00
2021-11-12
22:34
MySQL Server: OptimizerClosed
(886 days)
S28.0.20+AnyAnyUnmanageable Sort Buffer Behavior in 8.0.20+
1012202020-10-18
0:37
2021-02-23
18:44
MySQL Server: OptimizerClosed
(1148 days)
S58.0.21AnyAnyFilesort used for ORDER BY ...DESC even when DESCending index available and used
1006062020-08-21
16:01
2021-07-28
19:19
Connector / JClosed
(1041 days)
S28.0.21AnyAnyUnecesary call to "SET NAMES 'utf8' COLLATE 'utf8_general_ci'"
1017142020-11-23
6:59
2021-04-19
11:10
Connector / NETClosed
(1176 days)
S58.0.22, 8.0.23AnyAnyCritical performance issue
1059242021-12-16
20:40
2022-07-25
15:16
MySQL Server: ReplicationClosed
(631 days)
S58.0.22, 8.0.27AnyAnySHOW SLAVE STATUS became expensive for Replica->Slave column name conversions
1028862021-03-09
13:21
2021-04-24
15:40
MySQL Server: Japanese DocumentationClosed
(1088 days)
S38.0.23AnyAny1.3 MySQL 8.0 の新機能(リソース管理~)
1029052021-03-10
15:18
2021-04-24
15:42
MySQL Server: Japanese DocumentationClosed
(1088 days)
S38.0.23AnyAny1.3 MySQL 8.0 の新機能(テーブルの暗号化管理~)
1030012021-03-16
13:41
2021-04-24
14:46
MySQL Server: Japanese DocumentationClosed
(1088 days)
S38.0.23AnyAny1.3 MySQL 8.0 の新機能(JSON_VALUE() 関数~)
1037102021-05-15
14:26
2023-11-02
6:38
MySQL Server: OptimizerClosed
(1047 days)
S58.0.25Linuxx86Prepared statement performance slower with prefer_ordering_index optimization
1060062021-12-30
3:10
2022-01-11
14:44
MySQL Server: OptimizerClosed
(826 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
1049672021-09-17
10:04
2021-11-19
19:40
MySQL Server: InnoDB storage engineClosed
(879 days)
S58.0.26 AnyAnyThe fuction buf_validate() affects performance seriously and can be optimized
1046432021-08-17
14:11
2021-10-06
16:24
MySQL Server: Performance SchemaClosed
(923 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
(550 days)
S38.0.26AnyAnyTABLE ACCESS SERVICE INDEX READ MAP ISSUES
1059972021-12-29
4:07
2022-08-23
14:20
Connector / NETClosed
(602 days)
S58.0.27AnyAnyPoor performance when adding parameters with "Add(Object)"
1061352022-01-11
15:33
2022-01-13
14:49
MySQL Server: OptimizerClosed
(824 days)
S58.0.27AnyAnyREGEXP performance failure
1077452022-07-05
3:30
2023-02-13
21:24
Connector / ODBCClosed
(428 days)
S28.0.27 through latest, 8.0.32AnyAnyODBC Massive Performance Hit (Regression starting in 8.0.27)
1093612022-12-13
12:06
2023-01-11
1:03
MySQL Server: OptimizerClosed
(461 days)
S28.0.29AnyAnyMySQL 8.0.29+ is slower than MySQL 8.0.28 with queries using JOINS
1094392022-12-20
15:28
2023-01-31
16:52
MySQL RouterClosed
(441 days)
S28.0.29, 8.0.30, 8.0.31Windowsx86Significant performance overhead on MySQL router 8.0.29 and after
868842017-06-30
12:44
2017-10-24
14:25
MySQL Server: OptimizerClosed
(2479 days)
S38.0.3AnyAnyCreate decimal microbenchmarks
878272017-09-21
14:09
2023-11-02
6:39
MySQL Server: InnoDB storage engineClosed
(2279 days)
S58.0.3AnyAnyPerformance regression in "create table" speed and scalability in 8.0.3
885692017-11-21
1:10
2018-11-14
12:32
MySQL Server: CompilingClosed
(1981 days)
S38.0.3DebianAnyinclude/my_alloc.h:81:3: error: declaration of ‘block_size’ shadows a member of
1108882023-05-02
18:51
2023-07-31
15:35
MySQL Server: DocumentationClosed
(260 days)
S38.0.31AnyAnycheckInstanceConfiguration and docs disagree on binlog_transaction_dependency_tr
1105552023-03-29
22:22
2024-01-17
17:33
MySQL Server: Performance SchemaClosed
(148 days)
S38.0.32AnyAnySome performance schema tables return invalid rows
1126212023-10-04
16:39
2023-11-20
15:30
MySQL Server: Performance SchemaClosed
(148 days)
S58.0.34AnyAnyPerformance degradation from 8.0.30 onwards related to performance_schema
1127672023-10-19
6:07
2024-04-16
5:24
MySQL Server: InnoDB storage engineClosed
(60 days)
S58.0.34, 8.0.35AnyAnySELECT COUNT(*) degraded performance on 8.0 compared to 5.7
1136472024-01-16
8:55
2024-03-07
20:37
MySQL Server: OptimizerClosed
(40 days)
S58.0.35,8.2.0AnyAnyidentical tables are checked in HashJoin because of no STOP_AT_MATERIALIZATION
896372018-02-13
1:38
2018-11-20
22:16
MySQL Server: LoggingClosed
(2010 days)
S38.0.4AnyAnyContribution by Facebook: Slow Query Log Changes
891222018-01-05
16:47
2018-03-19
17:49
MySQL Server: GISClosed
(2282 days)
S38.0.5AnyAnySevere performance regression in server bootstrap
999892020-06-26
1:06
2021-01-10
22:04
MySQL Server: Performance SchemaClosed
(1192 days)
S38.0.x, 8.0.20AnyAnyInconsistency when joining Perf Schema schema tables when PK is larger than 48 c
509392010-02-05
9:10
2011-02-16
23:44
MySQL Server: OptimizerClosed
(4933 days)
S5allAnyAnyLoose Index Scan unduly relies on engine to remember range endpoints
54362004-09-06
19:10
2005-05-06
8:58
MySQL Server: InnoDB storage engineClosed
(6920 days)
S3allAny (all)AnySHOW INNODB STATUS is unusable with a lot of concurrent connections
229432006-10-03
15:10
2007-02-21
3:26
MySQL ServerClosed
(6264 days)
S2allWindows (Windows)Anysyscall pruning in libmysql
589122010-12-14
9:15
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(4844 days)
S3allAnyAnyInnoDB unnecessarily avoids update-in-place on column prefix indexes
710142013-11-26
14:25
2014-05-31
13:52
MySQL Server: InnoDB storage engineClosed
(3668 days)
S3All VersionAnyAnytwo many times of memset decreate the performance under heavy insert
471372009-09-04
13:14
2011-02-16
23:44
MySQL Server: PackagingClosed
(5233 days)
S5anySolaris (using Sun compilers)AnySolaris binary packages should be compiled with '-g0', not '-g'
454962009-06-15
10:50
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S2azalea-perfschemaAnyAnyPerformance schema: assertion fails in ha_perfschema::rnd_init:223
504742010-01-20
13:12
2011-02-16
23:44
Tests: ReplicationClosed
(5004 days)
S3Betony (M2)WindowsAnyrpl_slave_load_remove_tmpfile failed on windows debug enabled binary
1063682022-02-03
12:37
2022-06-09
21:24
Connector / NETClosed
(677 days)
S3LatestAnyAnyConnection pool cleanup is effectively disabled, but so easy to fix TG!
520712010-03-15
16:46
2011-02-16
23:44
Tests: ClusterClosed
(5132 days)
S3M3 (Celosia)AnyAnyrpl_ndb.rpl_ndb_ctype_ucs2_def fails
545092010-06-15
9:15
2011-02-16
23:44
MySQL Server: ReplicationClosed
(4901 days)
S2M3 (Celosia), M4 (Dahlia), 6.0AnyAnyrpl_show_slave_running crashes the server sporadically
614012011-06-03
17:47
2011-06-16
19:49
MySQL Server: LockingClosed
(4688 days)
S5MySQL 5.5.3+AnyAnyUPDATE performance degrades gradually if a trigger exists
740952014-09-26
8:04
2014-10-27
14:04
MySQL Server: DocumentationClosed
(3459 days)
S3mysql 5.7.5m15AnyAny"MySQL Extensions to GROUP BY" documentation needs update
377032008-06-27
21:20
2015-04-29
0:09
MySQL Server: GeneralClosed
(3275 days)
S5MYSQL 6.0.4 (Source Distribution)Linux (EL5.1)AnyMySQL performance with and without Fast Mutexes using Sysbench Workload
335342007-12-27
13:12
2008-02-20
20:57
MySQL Cluster: Cluster (NDB) storage engineClosed
(5900 days)
S2MySQL Cluster CGE 6.3AnyAnyBad performance of INSERT's in auto_incremented tables
910602018-05-29
13:00
2018-09-13
18:26
Connector / ODBCClosed
(2042 days)
S2MySQL ODBC 8.0 ANSI Driver 64-bitWindowsAny (x64)Mysql ODBC causes write access violation when using Recordset.Move
36572004-05-05
10:04
2004-05-27
13:34
MySQL Cluster: Cluster (NDB) storage engineClosed
(7264 days)
S3mysql-4.1FermiLinux LTS 3.01 (RH EL 3.0)AnyPerfomance degradation after db node failure
510092010-02-08
21:18
2011-02-16
23:44
MySQL Server: CompilingClosed
(5004 days)
S2mysql-5.1Linux (SuSe 64 bit)Anysrc build failure on SuSe (LT_INIT: command not found)
432682009-02-27
17:09
2011-02-16
23:43
MySQL Cluster: Cluster (NDB) storage engineClosed
(5363 days)
S3mysql-5.1-telco-6.2AnyAnyNdb : Change Blob part tables partitioning for UserDefined partitioning
475742009-09-23
23:30
2011-02-16
23:44
MySQL Cluster: Cluster (NDB) storage engineClosed
(5317 days)
S2mysql-5.1-telco-6.2AnyAnyMySQL Cluster : Internal blob read buffer size calculation incorrect on scans
461832009-07-14
20:04
2011-02-16
23:44
MySQL Cluster: Cluster (NDB) storage engineClosed
(5266 days)
S3mysql-5.1-telco-6.2.16, ...-6.3.16SolarisAnyCluster query performance regression on Solaris
454622009-06-11
21:29
2016-01-19
18:19
MySQL Cluster: Cluster (NDB) storage engineClosed
(3010 days)
S2mysql-5.1-telco-6.3Linux (RHEL5)Any"Waiting for ndbcluster global schema lock" on an empty cluster
522982010-03-23
9:45
2011-02-16
23:44
MySQL Cluster: Cluster (NDB) storage engineClosed
(4815 days)
S5mysql-5.1-telco-7.0AnyAnyThread waiting for scan results wakes up unecessarily
517402010-03-04
21:57
2011-02-16
23:44
MySQL Server: CompilingClosed
(5151 days)
S1mysql-5.1,mysql-5.5LinuxAnyMake Install - broken for errmsg.sys (many different languages)
531652010-04-26
15:15
2011-02-16
23:44
MySQL Server: InnoDB Plugin storage engineClosed
(5011 days)
S3mysql-5.5AnyAnySetting innodb_change_buffering=DEFAULT produces incorrect result
589742010-12-16
13:43
2011-02-16
23:44
MySQL Server: InnoDB storage engineClosed
(4836 days)
S5mysql-5.5-innodbAnyAnyha_innobase:info() tries to lock some latches even if HA_STATUS_NO_LOCK is given
680552013-01-09
9:03
2014-05-06
14:11
MySQL Server: OptionsClosed
(3633 days)
S2mysql-5.5.29AnyAnyIndeterminate behavior due to empty option values
514472010-02-24
7:08
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5144 days)
S2mysql-5.5.99 (Celosia)AnyAnyperformance schema evil twin files
843042016-12-22
1:10
2017-03-03
19:35
MySQL Server: CompilingClosed
(2601 days)
S2mysql-5.6.35, 5.6.35AnyAnyThe connection control plugin will not compile with performance schema disabled
424242009-01-28
14:20
2009-05-07
16:24
MySQL Server: Falcon storage engineClosed
(5458 days)
S2mysql-6.0-falcon-teamLinuxAnySerious performance degradation after new scavenger
440162009-04-01
17:14
2011-02-16
23:43
MySQL Server: Performance SchemaClosed
(5206 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
(5206 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
(5155 days)
S2mysql-6.0-perfAnyAnyPerformance schema: pool-of-threads threads instrumentation is missing
453242009-06-04
8:53
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S3mysql-6.0-perfschemaAnyAnyPerformance schema: can write lock
455102009-06-15
22:09
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S3mysql-6.0-perfschemaAnyAnyPerformance schema: STAT and FSTAT are not generating waits
537372010-05-18
9:30
2011-02-16
23:44
MySQL Server: OptimizerClosed
(5010 days)
S2mysql-next-mrAnyAnyPerformance regressions after applying patch for bug 36569
512952010-02-18
20:27
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5151 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
(5155 days)
S3mysql-next-mr, 5.5.99-m3AnyAnyUn initialized locker_lost variable in pfs_instr.cc
521342010-03-17
11:08
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5004 days)
S3mysql-next-mr, 5.6.99-m3AnyAnyperformance schema file io, symlink in path
525022010-03-31
12:56
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5004 days)
S1mysql-trunk (5.5.3)AnyAnyPerformance schema does not start with large mutex_instance buffers
527542010-04-12
7:26
2011-02-16
23:44
MySQL Server: CompilingClosed
(5118 days)
S1mysql-trunk (5.5.3), mysql-next-mrAnyAnyBuild break in mysql-trunk, performance schema unit test
486312009-11-09
9:26
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S3mysql-trunk-perfschemaAnyAnyPerformance schema: unit test failures
501482010-01-07
17:50
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(5206 days)
S2mysql-trunk-perfschemaAnyAny"Error in my_thread_global_end(): 1 threads didn't exit" with perfschema
470272009-08-31
18:50
2011-02-16
23:44
MySQL ServerClosed
(4871 days)
S3mysqld-nextSolarisAnydelegates_init() failure is not user friendly (usability issue)
161092005-12-30
23:35
2006-01-05
15:45
MySQL Server: DocumentationClosed
(6676 days)
S3n/an/aAnydoubled words in 5.0.17 manual
11702003-08-31
20:30
2003-09-02
18:41
MySQL Websites: MySQL.comClosed
(7532 days)
S3n/an/aAnySpelling error in Payson systems press release.
134622005-09-24
16:23
2005-11-22
19:09
MySQL Server: DocumentationClosed
(6720 days)
S3N/AN/AAnyDoc bug: "updating reference tables" processlist state not defined in docs
563242010-08-27
11:06
2011-02-16
23:44
MySQL Server: Performance SchemaClosed
(4912 days)
S3next-mr, next-mr-bugfixingAnyAnyRace Condition while shutting down MySQL: "PSI_server"
426082009-02-04
21:42
2011-02-16
23:43
MySQL Server: GeneralClosed
(5534 days)
S3Summit v0.2.0AnyAnySummit may need changes to default config parameters for optimal performance
434002009-03-05
7:15
2011-02-16
23:43
MySQL ServerClosed
(5505 days)
S3Summit v0.2.1AnyAnyMySQL Performance version options have bad default values
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