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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 68439 | 2013-02-20 2:35 | 2018-03-08 23:39 | MySQL Server: DML | Can't repeat (2233 days) | S2 | 5.1 | Any | Any | Unsigned INTs underflow in case of math |
| 66921 | 2012-09-21 20:33 | 2016-01-20 20:03 | MySQL Server: Replication | Can't repeat (3985 days) | S3 | 5.1, probably others | Any | Any | Seconds_behind_master distorted because of verbatim master's FDE in relaylog |
| 102157 | 2021-01-06 3:36 | 2022-01-03 20:14 | MySQL Server: Data Types | Closed (836 days) | S3 | 8.0, all of them | Any (any modern OS) | Any (any 64 bit) | UNIX_TIMESTAMP() and FROM_UNIXTIME() should support unix timestamps |
| 98806 | 2020-03-02 19:31 | 2020-03-11 13:14 | MySQL Server: Documentation | Closed (1499 days) | S3 | 5.6, 8.0 | Any | Any | Please update type conversion in expressions manual |
| 72027 | 2014-03-12 23:05 | 2018-12-17 19:18 | MySQL Server: DML | Closed (1949 days) | S3 | 5.6, * | Linux | Any | LOAD_FILE() does not work on dynamic files |
| 61517 | 2011-06-14 18:32 | 2018-10-29 18:01 | MySQL Server: Optimizer | Closed (1998 days) | S3 | 5.1, 5.5 | Any | Any | loose index scan not done when LIMIT provided |
| 69002 | 2013-04-18 21:03 | 2018-10-29 18:06 | MySQL Server: InnoDB storage engine | Closed (1998 days) | S3 | 5.6.12 | Linux | Any | InnoDB reads transaction logs on writes |
| 81368 | 2016-05-10 17:13 | 2018-10-29 18:08 | MySQL Server: InnoDB storage engine | Closed (1998 days) | S5 | 5.6 | Any | Any | multithreaded purge should hash out work to threads by table |
| 85213 | 2017-02-27 18:55 | 2018-10-22 16:50 | MySQL Server: C API (client library) | Closed (2005 days) | S1 | 5.7.17 | Any | Any | ssl_mode=PREFERRED doesn't prefer SSL |
| 84958 | 2017-02-10 23:18 | 2018-08-14 11:18 | MySQL Server: InnoDB storage engine | Closed (2085 days) | S2 | 5.6.*, 5.6.35 | Any | Any | InnoDB's MVCC has O(N^2) behaviors |
| 85331 | 2017-03-06 19:46 | 2017-09-27 2:00 | MySQL Server: Charsets | Closed (2395 days) | S3 | 5.6, 5.7, etc, 5.6.35 | Any | Any | _characterset specifications have lousy performance for some character sets |
| 80060 | 2016-01-19 23:43 | 2017-09-27 19:45 | MySQL Server: InnoDB storage engine | Closed (2653 days) | S5 | 5.6.* | Any | Any | Concurrent TRUNCATE TABLEs cause stalls |
| 78725 | 2015-10-06 23:23 | 2016-09-16 11:41 | MySQL Server: Documentation | Closed (2771 days) | S3 | Any | Any | jemalloc not mentioned in "Configuring the Memory Allocator for InnoDB" | |
| 78724 | 2015-10-06 22:37 | 2015-10-06 22:54 | MySQL Server: Documentation | Closed (3117 days) | S3 | 5.7 | Any | Any | Release notes don't point to public bugs |
| 78413 | 2015-09-11 21:34 | 2015-09-18 7:51 | MySQL Server: Documentation | Closed (3135 days) | S3 | 5.6, 5.7 | Any | Any | 5.6 base64 functions in help tables should not have () |
| 77863 | 2015-07-28 19:00 | 2015-07-30 13:05 | MySQL Server: Performance Schema | Closed (3185 days) | S5 | 5.6.26 | Any | Any | slowdown caused by memset in sql_digest_storage.reset() |
| 75592 | 2015-01-23 0:30 | 2015-07-13 1:09 | Connector / J | Closed (3278 days) | S3 | 5.1.34 | Any | Any | "SHOW VARIABLES WHERE" is expensive. |
| 72376 | 2014-04-17 23:18 | 2017-02-28 10:10 | MySQL Utilities: Binlog Events | Closed (3439 days) | S3 | 5.6.* | Any | Any | Seconds_behind_master distorted because of previous_gtid event |
| 72701 | 2014-05-21 0:45 | 2014-12-03 15:16 | MySQL Server: Command-line Clients | Closed (3459 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 (3572 days) | S3 | 5.6, 5.6.19 | Any | Any | mysqlbinlog --raw does not check for errors |
| 62534 | 2011-09-25 12:46 | 2014-06-02 18:28 | MySQL Server: InnoDB storage engine | Closed (3689 days) | S3 | 5.1-head, 5.5-head | Any | Any | off by one error in innodb_max_dirty_pages_pct logic |
| 61736 | 2011-07-04 11:34 | 2013-11-27 16:29 | MySQL Server: InnoDB storage engine | Closed (3795 days) | S3 | 5.1, ... | Any | Any | multiple unnecessary page reads done in latching code |
| 69913 | 2013-08-02 21:57 | 2013-10-02 11:51 | MySQL Server: Documentation | Closed (3851 days) | S3 | 5.x | Any | Any | temporary-files.html ignores --slave-load-tmpdir |
| 62288 | 2011-08-28 22:10 | 2013-08-08 18:02 | MySQL Server: Locking | Closed (3906 days) | S5 | 5.1, 5.5 | Any | Any | THD initialization too expensive for accept() thread |
| 62283 | 2011-08-28 21:55 | 2013-08-08 18:05 | MySQL Server: Locking | Closed (3906 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 (3906 days) | S5 | Any | Any | too much network initialization done in accept() thread | |
| 69029 | 2013-04-22 3:04 | 2013-04-25 4:55 | MySQL Server: InnoDB storage engine | Closed (4011 days) | S5 | 5.6.12 | Any | Any | Arbitrary flushing performance limitation is bad |
| 69028 | 2013-04-22 0:35 | 2013-04-22 7:49 | MySQL Server: Replication | Closed (4014 days) | S3 | 5.6.11 | Any | Any | Not-So-Multithreaded-Slave |
| 68069 | 2013-01-10 20:02 | 2013-02-12 20:06 | MySQL Server: InnoDB storage engine | Closed (4083 days) | S3 | 5.1, maybe others | Any | Any | mtr_memo_release and dyn_array together are very inefficient |
| 67736 | 2012-11-28 3:55 | 2012-11-28 18:24 | MySQL Server: Performance Schema | Closed (4159 days) | S1 | 5.6-head | Any | Any | default P_S configuration wastes CPU on a busy server |
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