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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 80060 | 2016-01-19 23:43 | 2017-09-27 19:45 | MySQL Server: InnoDB storage engine | Closed (2651 days) | S5 | 5.6.* | Any | Any | Concurrent TRUNCATE TABLEs cause stalls |
| 62025 | 2011-07-29 12:57 | 2013-01-30 17:29 | MySQL Server: InnoDB storage engine | Closed (4094 days) | S4 | 3.23-5.6 | Any | Any | InnoDB indexes not used properly |
| 61735 | 2011-07-04 11:30 | 2011-07-08 6:02 | MySQL Server: InnoDB storage engine | Verified (4666 days) | S3 | 5.1, etc | Any | Any | index->lock held while preads are done |
| 83026 | 2016-09-16 19:02 | 2016-09-30 7:25 | MySQL Server: InnoDB storage engine | Verified (2755 days) | S3 | 5.6 | Any | Any | innodb history list length missing in 'show global status' |
| 84958 | 2017-02-10 23:18 | 2018-08-14 11:18 | MySQL Server: InnoDB storage engine | Closed (2083 days) | S2 | 5.6.*, 5.6.35 | Any | Any | InnoDB's MVCC has O(N^2) behaviors |
| 92996 | 2018-10-29 19:01 | 2021-11-17 13:07 | MySQL Server: InnoDB storage engine | Verified (1995 days) | S4 | 8.0 | Any | Any | ANALYZE TABLE still locks tables 10 years later |
| 103576 | 2021-05-04 17:56 | 2021-05-05 6:05 | MySQL Server: InnoDB storage engine | Duplicate (1077 days) | S3 | 8.0.20 | Any | Any | insert ... on duplicate key ... disjoint sets of rows deadlock on supremum |
| 104619 | 2021-08-13 14:45 | 2022-09-01 5:55 | MySQL Server: InnoDB storage engine | Verified (974 days) | S3 | 8.0 | Any | Any | long MVCC snapshots will cause commit stalls via GTID persistor periodic compres |
| 62536 | 2011-09-25 15:44 | 2012-08-30 13:04 | MySQL Server: InnoDB storage engine | Closed (4247 days) | S3 | 5.5, 5.1, etc | Any | Any | partitions use too much memory |
| 68069 | 2013-01-10 20:02 | 2013-02-12 20:06 | MySQL Server: InnoDB storage engine | Closed (4081 days) | S3 | 5.1, maybe others | Any | Any | mtr_memo_release and dyn_array together are very inefficient |
| 63879 | 2011-12-30 10:01 | 2011-12-30 15:11 | MySQL Server: InnoDB storage engine | Verified (4491 days) | S3 | 5.1 | Any | Any | Dropping a partitioned table is extremely costly |
| 62535 | 2011-09-25 14:46 | 2017-05-14 20:45 | MySQL Server: InnoDB storage engine | Verified (4521 days) | S3 | 5.5, 5.1, etc | Linux | Any | os_event_create() has inefficient memory allocation |
| 69002 | 2013-04-18 21:03 | 2018-10-29 18:06 | MySQL Server: InnoDB storage engine | Closed (1996 days) | S3 | 5.6.12 | Linux | Any | InnoDB reads transaction logs on writes |
| 69029 | 2013-04-22 3:04 | 2013-04-25 4:55 | MySQL Server: InnoDB storage engine | Closed (4009 days) | S5 | 5.6.12 | Any | Any | Arbitrary flushing performance limitation is bad |
| 62534 | 2011-09-25 12:46 | 2014-06-02 18:28 | MySQL Server: InnoDB storage engine | Closed (3687 days) | S3 | 5.1-head, 5.5-head | Any | Any | off by one error in innodb_max_dirty_pages_pct logic |
| 71145 | 2013-12-13 23:18 | 2013-12-14 0:03 | MySQL Server: InnoDB storage engine | Not a Bug (3776 days) | S3 | 5.6.15 | Any | Any | InnoDB will not reclaim space if records are deleted |
| 71144 | 2013-12-13 23:04 | 2013-12-14 0:03 | MySQL Server: InnoDB storage engine | Not a Bug (3776 days) | S3 | 5.6.15 | Any | Any | InnoDB will not reclaim space if records are shrunk |
| 69842 | 2013-07-26 0:30 | 2018-02-11 20:45 | MySQL Server: InnoDB storage engine | Verified (3913 days) | S4 | 5.1+ | Any | Any | doublewrite buffer is triplewriting |
| 61927 | 2011-07-20 12:11 | 2011-07-25 14:46 | MySQL Server: InnoDB Plugin storage engine | Verified (4649 days) | S3 | 5.5-bzr, 5.1-bzr | Any | Any | DATA_LENGTH doesn't show anything useful for compressed tables |
| 62285 | 2011-08-28 22:00 | 2012-03-19 15:49 | MySQL Server: Locking | Closed (4411 days) | S3 | Any | Any | don't initialize vio string description, create it on demand | |
| 62283 | 2011-08-28 21:55 | 2013-08-08 18:05 | MySQL Server: Locking | Closed (3904 days) | S5 | 5.1, 5.5, ... | Any | Any | accept() socket gets too much of fcntl()s |
| 62284 | 2011-08-28 21:57 | 2013-08-08 18:04 | MySQL Server: Locking | Closed (3904 days) | S5 | Any | Any | too much network initialization done in accept() thread | |
| 95230 | 2019-05-02 21:06 | 2021-01-22 13:11 | MySQL Server: Locking | Verified (1799 days) | S4 | Any | Any | SELECT ... FOR UPDATE on a gap in repeatable read should be exclusive lock | |
| 62286 | 2011-08-28 22:02 | 2011-09-06 9:56 | MySQL Server: Locking | Verified (4614 days) | S5 | 5.1, 5.5, ... | Any | Any | call multiple accepts per poll |
| 75590 | 2015-01-22 22:39 | 2018-12-01 6:12 | MySQL Server: Locking | Verified (1980 days) | S3 | 5.6 | Any | Any | SHOW VARIABLES WHERE ... materializes all variables into bigass temptable |
| 62288 | 2011-08-28 22:10 | 2013-08-08 18:02 | MySQL Server: Locking | Closed (3904 days) | S5 | 5.1, 5.5 | Any | Any | THD initialization too expensive for accept() thread |
| 62287 | 2011-08-28 22:07 | 2018-12-03 5:17 | MySQL Server: Locking | Verified (4614 days) | S3 | 5.1, 5.5 | Any | Any | don't serialize thread cache |
| 65077 | 2012-04-23 14:32 | 2012-08-29 15:11 | MySQL Server: MyISAM storage engine | Closed (4248 days) | S1 | 5.1 | Any | Any | internal temporary tables are contended on THR_LOCK_myisam |
| 54921 | 2010-06-30 16:41 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5039 days) | S3 | 5.0-bzr, 5.1-bzr | Any | Any | ORDER BY doesn't use index if ref lookup on VARBINARY column used |
| 105644 | 2021-11-19 16:22 | 2021-11-23 14:10 | MySQL Server: Optimizer | Verified (876 days) | S5 | 8.0 | Any | Any | ranges cannot use indexes on joined tables |
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