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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 77439 | 2015-06-22 18:00 | 2016-09-02 13:42 | MySQL Server: Optimizer | Verified (3675 days) | S4 | all of them | Any (really all of them) | Any | ORDER BY creates temporary tables when implicit order is declared explicitly |
| 62534 | 2011-09-25 12:46 | 2014-06-02 18:28 | MySQL Server: InnoDB storage engine | Closed (4142 days) | S3 | 5.1-head, 5.5-head | Any | Any | off by one error in innodb_max_dirty_pages_pct logic |
| 69028 | 2013-04-22 0:35 | 2013-04-22 7:49 | MySQL Server: Replication | Closed (4467 days) | S3 | 5.6.11 | Any | Any | Not-So-Multithreaded-Slave |
| 72701 | 2014-05-21 0:45 | 2014-12-03 15:16 | MySQL Server: Command-line Clients | Closed (3912 days) | S5 | 5.6, * | Linux | Any | mysqlbinlog uses localtime() to print events, causes kernel mutex contention |
| 72597 | 2014-05-09 20:50 | 2014-07-08 12:54 | MySQL Server: Command-line Clients | Closed (4025 days) | S3 | 5.6, 5.6.19 | Any | Any | mysqlbinlog --raw does not check for errors |
| 55405 | 2010-07-20 16:02 | 2011-02-16 23:44 | MySQL Server: C API (client library) | Verified (5474 days) | S4 | 5.1-bzr | Any | Any | mysql_thread_init() should complain when using non-thread-safe client |
| 67840 | 2012-12-07 19:43 | 2013-01-10 19:19 | MySQL Server: Replication | Verified (4569 days) | S3 | 5.1, 5.5, 5.5.30, 5.7.1 | Any | Any | MySQL replication start inefficient at large RTTs |
| 78809 | 2015-10-12 19:26 | 2023-09-14 20:32 | MySQL Server: Connection Handling | Verified (670 days) | S3 | all of them, 5.6.26, 5.6.27 | Any | Any | MySQL keeps running queries for disconnected users |
| 106003 | 2021-12-29 20:06 | 2022-11-29 7:53 | MySQL Server: Optimizer | Verified (1293 days) | S3 | 8.0.27/5.7 | Any | Any | MySQL does not use indexes correctly for backwards ORDER BY conditions |
| 99805 | 2020-06-08 15:27 | 2025-02-21 11:07 | MySQL Server: C API (client library) | Verified (144 days) | S4 | 8.0.16+ | Any | Any | mysql async client is incomplete |
| 81368 | 2016-05-10 17:13 | 2018-10-29 18:08 | MySQL Server: InnoDB storage engine | Closed (2451 days) | S5 | 5.6 | Any | Any | multithreaded purge should hash out work to threads by table |
| 61736 | 2011-07-04 11:34 | 2013-11-27 16:29 | MySQL Server: InnoDB storage engine | Closed (4248 days) | S3 | 5.1, ... | Any | Any | multiple unnecessary page reads done in latching code |
| 68069 | 2013-01-10 20:02 | 2013-02-12 20:06 | MySQL Server: InnoDB storage engine | Closed (4536 days) | S3 | 5.1, maybe others | Any | Any | mtr_memo_release and dyn_array together are very inefficient |
| 55582 | 2010-07-27 13:25 | 2011-02-16 23:44 | Tools: MTR / mysql-test-run | Closed (5358 days) | S3 | 5.1-bzr | Any (MacOSX 10.6) | Any | mtr root detection (and if-expression execution) broken |
| 61517 | 2011-06-14 18:32 | 2018-10-29 18:01 | MySQL Server: Optimizer | Closed (2451 days) | S3 | 5.1, 5.5 | Any | Any | loose index scan not done when LIMIT provided |
| 104619 | 2021-08-13 14:45 | 2022-09-01 5:55 | MySQL Server: InnoDB storage engine | Verified (1429 days) | S3 | 8.0 | Any | Any | long MVCC snapshots will cause commit stalls via GTID persistor periodic compres |
| 62282 | 2011-08-28 21:52 | 2012-05-31 17:31 | MySQL Server: DML | Closed (4793 days) | S5 | 5.5, 5.1, ... | Any | Any | LOCK_thread_count is used for random functions |
| 72027 | 2014-03-12 23:05 | 2018-12-17 19:18 | MySQL Server: DML | Closed (2402 days) | S3 | 5.6, * | Linux | Any | LOAD_FILE() does not work on dynamic files |
| 78725 | 2015-10-06 23:23 | 2016-09-16 11:41 | MySQL Server: Documentation | Closed (3224 days) | S3 | Any | Any | jemalloc not mentioned in "Configuring the Memory Allocator for InnoDB" | |
| 65077 | 2012-04-23 14:32 | 2012-08-29 15:11 | MySQL Server: MyISAM storage engine | Closed (4703 days) | S1 | 5.1 | Any | Any | internal temporary tables are contended on THR_LOCK_myisam |
| 103576 | 2021-05-04 17:56 | 2021-05-05 6:05 | MySQL Server: InnoDB storage engine | Duplicate (1532 days) | S3 | 8.0.20 | Any | Any | insert ... on duplicate key ... disjoint sets of rows deadlock on supremum |
| 84958 | 2017-02-10 23:18 | 2018-08-14 11:18 | MySQL Server: InnoDB storage engine | Closed (2538 days) | S2 | 5.6.*, 5.6.35 | Any | Any | InnoDB's MVCC has O(N^2) behaviors |
| 71144 | 2013-12-13 23:04 | 2013-12-14 0:03 | MySQL Server: InnoDB storage engine | Not a Bug (4231 days) | S3 | 5.6.15 | Any | Any | InnoDB will not reclaim space if records are shrunk |
| 71145 | 2013-12-13 23:18 | 2013-12-14 0:03 | MySQL Server: InnoDB storage engine | Not a Bug (4231 days) | S3 | 5.6.15 | Any | Any | InnoDB will not reclaim space if records are deleted |
| 69002 | 2013-04-18 21:03 | 2018-10-29 18:06 | MySQL Server: InnoDB storage engine | Closed (2451 days) | S3 | 5.6.12 | Linux | Any | InnoDB reads transaction logs on writes |
| 62025 | 2011-07-29 12:57 | 2013-01-30 17:29 | MySQL Server: InnoDB storage engine | Closed (4549 days) | S4 | 3.23-5.6 | Any | Any | InnoDB indexes not used properly |
| 83026 | 2016-09-16 19:02 | 2016-09-30 7:25 | MySQL Server: InnoDB storage engine | Verified (3210 days) | S3 | 5.6 | Any | Any | innodb history list length missing in 'show global status' |
| 61735 | 2011-07-04 11:30 | 2011-07-08 6:02 | MySQL Server: InnoDB storage engine | Verified (5121 days) | S3 | 5.1, etc | Any | Any | index->lock held while preads are done |
| 82363 | 2016-07-27 19:28 | 2016-07-28 8:11 | MySQL Server: Optimizer | Verified (3274 days) | S3 | 5.7 and every other | Any | Any | impossible const condition still followed in a JOIN |
| 81226 | 2016-04-28 20:30 | 2016-06-18 21:37 | MySQL Server: Information schema | Duplicate (3364 days) | S3 | 5.6,5.6.30, 5.7.12, 8.0.0 | Any | Any | i_s.processlist should not whine about incorrect strings |
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