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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
(3715 days)
S35.1.28, 5.1.29, 5.0, 5.1 bzrAnyAnySHOW on a broad view is taking too long  
219782006-09-01
22:13
2011-02-16
23:43
MySQL Server: OptionsVerified
(4129 days)
S34.0.18, 5.0, 6.0.10, 5.55.5+Microsoft Windows (Windows 2000)Any'flush_time' value set for 1800 sec. on Non Win9x/Me installs by default  
691182013-05-02
2:28
2013-05-02
14:00
MySQL Server: Command-line ClientsVerified
(2154 days)
S55.6, 5.7AnyAnyWasted work in method get_table_structure()  
795472015-12-07
13:59
2015-12-11
12:25
MySQL Server: OptimizerOpen
(1203 days)
S35.6DebianAnybad performance query on mysql 5.6  
915852018-07-10
1:16
2018-08-27
11:06
MySQL Server: Stored RoutinesVerified
(259 days)
S55.7, 8.0, 8.0.11, 5.7.23AnyAny“dead” code inside the stored proc or function can significantly slow it down  
427052009-02-09
16:37
2011-02-16
23:43
MySQL Server: GeneralVerified
(3655 days)
S35.1.30AnyAnyReduce malloc/free during query lifecycle.  
503672010-01-15
14:12
2011-02-16
23:44
MySQL Server: GeneralVerified
(3295 days)
S55.1.42, 5.1 bzrAny (MS Windows 32 bits, Mac)AnyREPLACE has quadradic computational complexity on windows server (but not linux)  
643402012-02-15
14:07
2013-06-14
15:35
MySQL Server: InnoDB Plugin storage engineVerified
(2111 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
(1048 days)
S55.7AnyAnySingle page flushing should be removed  
831512016-09-26
14:27
2019-01-26
4:54
MySQL Server: Connection HandlingVerified
(62 days)
S25.6.33CentOSAnyhigh number of SHOW WARNINGS can stall server if compressed protocol in use  
442012009-04-10
3:04
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3206 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
(3144 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
(2261 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
(1524 days)
S5AnyAnybtr_search_guess_on_hash makes found block young twice?  
816302016-05-28
5:46
2016-08-31
6:30
MySQL Server: ReplicationVerified
(937 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
(3576 days)
S25.0.51a, 5.0.77 and 5.1.34, 5.1, 6.0 bzrLinuxAnyUPDATE statement cause full table scan ?  
569242010-09-22
11:26
2018-06-24
20:45
MySQL Workbench: SQL EditorVerified
(2671 days)
S25.2.28wb52Linux (Ubuntu 10.04)AnyMemory leak? Possibly not a bug.  
603482011-03-04
20:14
2013-01-15
15:25
MySQL ServerVerified
(2261 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
(1484 days)
S35.6.24, 5.7.6AnyAnyInnodb calls fsync when freeing a LRU page to fulfill page request  
602612011-02-26
0:59
2016-11-12
22:57
MySQL Cluster: Cluster (NDB) storage engineVerified
(864 days)
S5mysql-cluster-gpl-7.1.9aAnyAnyAre transaction hints needed in these situation?  
569652010-09-23
9:22
2015-08-10
14:34
MySQL Server: mysqldump Command-line ClientVerified
(3100 days)
S35.1.445.1+Linux (2.6.18-164.6.1.el5 #1 SMP, CentOS 5.5)Anymysqldump poor performance with large number of tables  
603492011-03-04
21:20
2013-01-15
15:25
MySQL ServerVerified
(2261 days)
S55.1.55AnyAnytrim beginning spaces processes data only byte wise (continue of bug14637 (3))  
274522007-03-26
17:35
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3781 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
(3508 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
(3063 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
(2261 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
(1334 days)
S25.1, 5.5, 5.6.15, 5.7.7AnyAnyOptimizer does NOT use range checks in typical self-join for InnoDB tables  
759812015-02-20
13:56
2017-11-05
7:12
MySQL Server: InnoDB storage engineVerified
(1447 days)
S55.7.6AnyAnyMySQL 5.7.5 30% slower than 5.6.23 for 1 thread write  
351652008-03-08
17:48
2011-02-16
23:43
MySQL Server: CSVVerified
(4031 days)
S55.1AnyAnyLogging to table is slow for large queries  
589282010-12-14
20:58
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3024 days)
S35.1-bugteamAnyAny"not exists" optimization not applied if relevant table is not single inner one  
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