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ID# Date Updated Type Status Sev Version OS CPU Summary
684392013-02-20
2:35
2018-03-08
23:39
MySQL Server: DMLCan't repeat
(1327 days)
S25.1AnyAnyUnsigned INTs underflow in case of math
669212012-09-21
20:33
2016-01-20
20:03
MySQL Server: ReplicationCan't repeat
(3079 days)
S35.1, probably othersAnyAnySeconds_behind_master distorted because of verbatim master's FDE in relaylog
988062020-03-02
19:31
2020-03-11
13:14
MySQL Server: DocumentationClosed
(593 days)
S35.6, 8.0AnyAnyPlease update type conversion in expressions manual
929942018-10-29
18:17
2019-10-11
12:30
MySQL Server: OptimizerClosed
(745 days)
S4*AnyAnyplease evaluate unions lazily
720272014-03-12
23:05
2018-12-17
19:18
MySQL Server: DMLClosed
(1043 days)
S35.6, *LinuxAnyLOAD_FILE() does not work on dynamic files
813682016-05-10
17:13
2018-10-29
18:08
MySQL Server: InnoDB storage engineClosed
(1092 days)
S55.6AnyAnymultithreaded purge should hash out work to threads by table
615172011-06-14
18:32
2018-10-29
18:01
MySQL Server: OptimizerClosed
(1092 days)
S35.1, 5.5AnyAnyloose index scan not done when LIMIT provided
690022013-04-18
21:03
2018-10-29
18:06
MySQL Server: InnoDB storage engineClosed
(1092 days)
S35.6.12LinuxAnyInnoDB reads transaction logs on writes
852132017-02-27
18:55
2018-10-22
16:50
MySQL Server: C API (client library)Closed
(1099 days)
S15.7.17AnyAnyssl_mode=PREFERRED doesn't prefer SSL
849582017-02-10
23:18
2018-08-14
11:18
MySQL Server: InnoDB storage engineClosed
(1179 days)
S25.6.*, 5.6.35AnyAnyInnoDB's MVCC has O(N^2) behaviors
853312017-03-06
19:46
2017-09-27
2:00
MySQL Server: CharsetsClosed
(1489 days)
S35.6, 5.7, etc, 5.6.35AnyAny_characterset specifications have lousy performance for some character sets
800602016-01-19
23:43
2017-09-27
19:45
MySQL Server: InnoDB storage engineClosed
(1747 days)
S55.6.*AnyAnyConcurrent TRUNCATE TABLEs cause stalls
787252015-10-06
23:23
2016-09-16
11:41
MySQL Server: DocumentationClosed
(1865 days)
S3AnyAnyjemalloc not mentioned in "Configuring the Memory Allocator for InnoDB"
787242015-10-06
22:37
2015-10-06
22:54
MySQL Server: DocumentationClosed
(2211 days)
S35.7AnyAnyRelease notes don't point to public bugs
784132015-09-11
21:34
2015-09-18
7:51
MySQL Server: DocumentationClosed
(2229 days)
S35.6, 5.7AnyAny5.6 base64 functions in help tables should not have ()
778632015-07-28
19:00
2015-07-30
13:05
MySQL Server: Performance SchemaClosed
(2279 days)
S55.6.26AnyAnyslowdown caused by memset in sql_digest_storage.reset()
755922015-01-23
0:30
2015-07-13
1:09
Connector / JClosed
(2372 days)
S35.1.34AnyAny"SHOW VARIABLES WHERE" is expensive.
723762014-04-17
23:18
2017-02-28
10:10
MySQL Utilities: Binlog EventsClosed
(2533 days)
S35.6.*AnyAnySeconds_behind_master distorted because of previous_gtid event
727012014-05-21
0:45
2014-12-03
15:16
MySQL Server: Command-line ClientsClosed
(2553 days)
S55.6, *LinuxAnymysqlbinlog uses localtime() to print events, causes kernel mutex contention
725972014-05-09
20:50
2014-07-08
12:54
MySQL Server: Command-line ClientsClosed
(2666 days)
S35.6, 5.6.19AnyAnymysqlbinlog --raw does not check for errors
625342011-09-25
12:46
2014-06-02
18:28
MySQL Server: InnoDB storage engineClosed
(2783 days)
S35.1-head, 5.5-headAnyAnyoff by one error in innodb_max_dirty_pages_pct logic
617362011-07-04
11:34
2013-11-27
16:29
MySQL Server: InnoDB storage engineClosed
(2889 days)
S35.1, ...AnyAnymultiple unnecessary page reads done in latching code
699132013-08-02
21:57
2013-10-02
11:51
MySQL Server: DocumentationClosed
(2945 days)
S35.xAnyAnytemporary-files.html ignores --slave-load-tmpdir
622832011-08-28
21:55
2013-08-08
18:05
MySQL Server: LockingClosed
(3000 days)
S55.1, 5.5, ...AnyAnyaccept() socket gets too much of fcntl()s
622842011-08-28
21:57
2013-08-08
18:04
MySQL Server: LockingClosed
(3000 days)
S5AnyAnytoo much network initialization done in accept() thread
622882011-08-28
22:10
2013-08-08
18:02
MySQL Server: LockingClosed
(3000 days)
S55.1, 5.5AnyAnyTHD initialization too expensive for accept() thread
690292013-04-22
3:04
2013-04-25
4:55
MySQL Server: InnoDB storage engineClosed
(3105 days)
S55.6.12AnyAnyArbitrary flushing performance limitation is bad
690282013-04-22
0:35
2013-04-22
7:49
MySQL Server: ReplicationClosed
(3108 days)
S35.6.11AnyAnyNot-So-Multithreaded-Slave
680692013-01-10
20:02
2013-02-12
20:06
MySQL Server: InnoDB storage engineClosed
(3177 days)
S35.1, maybe othersAnyAnymtr_memo_release and dyn_array together are very inefficient
620252011-07-29
12:57
2013-01-30
17:29
MySQL Server: InnoDB storage engineClosed
(3190 days)
S43.23-5.6AnyAnyInnoDB indexes not used properly
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