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ID# Date Updated Type Status Sev Version OS CPU Summary
987702020-02-28
4:02
2020-03-03
15:05
MySQL Server: OptimizerVerified
(406 days)
S58.0.19AnyAnyNon-covering full index scan is always preferred over table scan for GROUP BY
1033002021-04-13
11:24
2021-04-13
13:55
MySQL Server: OptimizerOpenS55.7.33-36-logCentOSx86Query response slowness on 5.7 which is taking 0.36 secs and in 5.6 0.00 secs
879472017-10-03
4:00
2018-06-11
19:57
MySQL Server: OptimizerVerified
(1282 days)
S55.7.19AnyAnyOptimizer chooses ref over range when access when range access is faster
385502008-08-04
21:47
2018-09-09
20:45
MySQL Server: OptimizerVerified
(4562 days)
S55.0.60, 5.1AnyAnymultiple optimizer bugs for queries with references from preceding table
950802019-04-23
7:24
2019-04-30
14:09
MySQL RouterVerified
(714 days)
S58.0.15, 8.0.16Oracle Linux (Oracle Linux Server 7.5, Linux 4.1.12-124.18.6.el7uek.x86_64 )x86 (Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz)MySQL Router consuming mor CPU resources than it should
582342010-11-16
16:26
2014-02-26
12:47
MySQL Server: InnoDB storage engineVerified
(3404 days)
S55.1.49-r1, 5.5.20AnyAnyLENGTH() / OCTET_LENGTH() on BLOB field very slow
639052012-01-02
23:47
2012-01-16
18:35
MySQL Server: OptimizerVerified
(3375 days)
S55.1.60Microsoft WindowsAnyhandler_read_next is suprisingly high and slows queries
784072015-09-11
12:45
2015-09-15
7:50
MySQL Server: OptimizerAnalyzing
(2037 days)
S57.4.6/5.6.24LinuxAnywrong index being used in subqueries?
999942020-06-26
7:57
2020-06-26
13:08
MySQL Server: OptimizerVerified
(291 days)
S58.0AnyAnyIndex range scan is chosen where table scan takes 40% less time
1013912020-10-30
3:04
2020-11-19
16:59
MySQL Server: Performance SchemaVerified
(145 days)
S58.0, 8.0.22AnyAnyPerformance Schema storage engine doesn't use index optimizations on group by
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