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ID# Date Updated Type Status Sev Version Target OS CPU Summary Assigned
403672008-10-28
8:55
2011-02-16
23:43
MySQL Server: Information schemaVerified
(3651 days)
S35.1.28, 5.1.29, 5.0, 5.1 bzrAnyAnySHOW on a broad view is taking too long  
597272011-01-25
21:36
2016-12-04
20:45
MySQL Server: InnoDB storage engineVerifiedS55.1 plugin, 5.5, 5.6AnyAnyLRU search can be inefficient with compression Assigned Account
691182013-05-02
2:28
2013-05-02
14:00
MySQL Server: Command-line ClientsVerified
(2090 days)
S55.6, 5.7AnyAnyWasted work in method get_table_structure()  
795472015-12-07
13:59
2015-12-11
12:25
MySQL Server: OptimizerOpen
(1139 days)
S35.6DebianAnybad performance query on mysql 5.6  
744082014-10-15
19:52
2018-07-04
15:16
MySQL Server: InnoDB storage engineVerified
(201 days)
S55.6, 5.7, 8.0AnyAnysrv_conc_enter_innodb() is not optimal  
427052009-02-09
16:37
2011-02-16
23:43
MySQL Server: GeneralVerified
(3591 days)
S35.1.30AnyAnyReduce malloc/free during query lifecycle.  
503672010-01-15
14:12
2011-02-16
23:44
MySQL Server: GeneralVerified
(3231 days)
S55.1.42, 5.1 bzrAny (MS Windows 32 bits, Mac)AnyREPLACE has quadradic computational complexity on windows server (but not linux)  
600872011-02-10
13:14
2016-12-04
20:45
MySQL Server: InnoDB storage engineVerified
(2902 days)
S35.5AnyAnyPatch: Minimize InnoDB I/O load by adding a prefetch stage Assigned Account
643402012-02-15
14:07
2013-06-14
15:35
MySQL Server: InnoDB Plugin storage engineVerified
(2047 days)
S55.1.52, 5.1.61AnyAnyrace on no_flush event during buf_flush_free_margin  
813762016-05-11
6:48
2018-07-16
8:12
MySQL Server: InnoDB storage engineVerified
(984 days)
S55.7AnyAnySingle page flushing should be removed  
915852018-07-10
1:16
2018-08-27
11:06
MySQL Server: Stored RoutinesVerified
(195 days)
S55.7, 8.0, 8.0.11, 5.7.23AnyAny“dead” code inside the stored proc or function can significantly slow it down  
442012009-04-10
3:04
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3142 days)
S35.1.32, 5.1.35-bzr, 6.0.11-bzr, 5.0, 5.6.99AnyAnyPerformance problem with View  
559792010-08-13
22:05
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3080 days)
S55.1.39LinuxAnyKey not used if IN() list contains mix of strings and integers  
603452011-03-04
17:11
2013-01-15
15:25
MySQL ServerVerified
(2197 days)
S55.1.55 6.0.11AnyAnytrim trailing spaces processes data only byte wise (the continue of bug14637)  
755042015-01-14
12:52
2015-01-22
14:51
MySQL Server: InnoDB storage engineVerified
(1460 days)
S5AnyAnybtr_search_guess_on_hash makes found block young twice?  
816302016-05-28
5:46
2016-08-31
6:30
MySQL Server: ReplicationVerified
(873 days)
S55.7.12AnyAnyMySQL 5.7 is 37-45% slower then 5.6 when using binlogging due to defaults change  
454242009-06-10
6:58
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3512 days)
S25.0.51a, 5.0.77 and 5.1.34, 5.1, 6.0 bzrLinuxAnyUPDATE statement cause full table scan ?  
603482011-03-04
20:14
2013-01-15
15:25
MySQL ServerVerified
(2197 days)
S55.1.55AnyAnytrim trailing spaces processes data only byte wise (continue of bug14637 (2))  
759622015-02-19
3:14
2015-03-03
20:46
MySQL Server: InnoDB storage engineVerified
(1420 days)
S35.6.24, 5.7.6AnyAnyInnodb calls fsync when freeing a LRU page to fulfill page request  
831512016-09-26
14:27
2016-09-28
12:19
MySQL Server: Connection HandlingVerified
(846 days)
S25.6.33CentOSAnyhigh number of SHOW WARNINGS can stall server if compressed protocol in use  
463762009-07-24
17:05
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3463 days)
S55.0.85, 5.1.36, 5.1.38, 5.1.39Microsoft Windows (XP)AnyOptimizer choose wrong index even when where clause and order-by are covered Tor Didriksen
603492011-03-04
21:20
2013-01-15
15:25
MySQL ServerVerified
(2197 days)
S55.1.55AnyAnytrim beginning spaces processes data only byte wise (continue of bug14637 (3))  
620182011-07-28
15:15
2018-02-11
20:45
MySQL Server: InnoDB storage engineVerified
(2196 days)
S55.6.3AnyAnyinnodb adaptive hash index mutex contention Assigned Account
602612011-02-26
0:59
2016-11-12
22:57
MySQL Cluster: Cluster (NDB) storage engineVerified
(800 days)
S5mysql-cluster-gpl-7.1.9aAnyAnyAre transaction hints needed in these situation?  
274522007-03-26
17:35
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3717 days)
S35.0.40-BK, 5.0.24a-debian-log, 5.1.31-bzr, 6.0.7-alpha, 6.0.9-bzrLinuxAnyCorrelated subquery produces inefficient optimizer plan for INFORMATION_SCHEMA  
466482009-08-11
11:41
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3444 days)
S35.1.32, 4.1, 5.0, 5.1, azalea bzrLinux (2.6.28.7)AnySQL_CALC_FOUND_ROWS kills performance with ORDER BY and LIMIT  
580082010-11-05
9:38
2018-09-09
20:45
MySQL Server: OptimizerVerified
(2999 days)
S35.1, 5.0AnyAnywrong datatype (blob) in the resultset if the string is larger than 512 bytes  
603512011-03-04
22:15
2013-01-15
15:27
MySQL ServerVerified
(2197 days)
S55.1.55AnyAnytrim same character processes data only byte wise (continue of bug14637 (4))  
711402013-12-13
9:16
2015-07-31
8:59
MySQL Server: OptimizerVerified
(1270 days)
S25.1, 5.5, 5.6.15, 5.7.7AnyAnyOptimizer does NOT use range checks in typical self-join for InnoDB tables  
679132012-12-16
2:31
2017-07-18
5:39
Connector / ODBCVerified
(2191 days)
S55.2.2, 5.1.11Microsoft Windows (Windows 7 and 8 64-bit)AnyODBC connector performance problem Bogdan Degtyariov
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