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ID# Date Updated Type Status Sev Version OS CPU Summary
503672010-01-15
14:12
2011-02-16
23:44
MySQL Server: GeneralVerified
(4074 days)
S55.1.42, 5.1 bzrAny (MS Windows 32 bits, Mac)AnyREPLACE has quadradic computational complexity on windows server (but not linux)
268322007-03-04
18:17
2011-04-05
14:46
MySQL Server: OptimizerVerified
(3691 days)
S55.5AnyAnyENUM types not optimized
639052012-01-02
23:47
2012-01-16
18:35
MySQL Server: OptimizerVerified
(3405 days)
S55.1.60Microsoft WindowsAnyhandler_read_next is suprisingly high and slows queries
437262009-03-18
12:07
2013-03-03
20:45
MySQL Server: MyISAM storage engineVerified
(4439 days)
S55.1.32/6.0AnyAnyTHR_LOCK_myisam is locked while flushing unwritten key blocks to disk
689192013-04-10
14:25
2013-04-10
14:33
MySQL Server: OptimizerVerified
(2955 days)
S55.6.10AnyAnyPerformance regression when DS-MRR is used for query with small limit
692192013-05-13
20:14
2013-05-13
20:32
MySQL Server: OptimizerVerified
(2922 days)
S55.6.12AnyAnyCREATE TEMPORARY TABLE ... SELECT is slower on 5.6 than on 5.1
684132013-02-18
2:45
2013-09-25
2:58
MySQL Server: Performance SchemaVerified
(2787 days)
S55.6.10, 5.6.13AnyAnyperformance_schema overhead is at least 10%
582342010-11-16
16:26
2014-02-26
12:47
MySQL Server: InnoDB storage engineVerified
(3434 days)
S55.1.49-r1, 5.5.20AnyAnyLENGTH() / OCTET_LENGTH() on BLOB field very slow
717272014-02-14
23:30
2014-03-05
0:31
MySQL Server: InnoDB storage engineAnalyzing
(2631 days)
S55.6.16AnyAnyFollow up work on Bug#16249481- INNODB DOES NOT SCALE WELL ON 12 CORE ...
600232011-02-08
21:45
2014-05-22
12:13
MySQL Server: OptimizerVerifiedS55.5.8 , 5.1.51AnyAnyNo Loose Index Scan for GROUP BY / DISTINCT on InnoDB partitioned table
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