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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 62286 | 2011-08-28 22:02 | 2011-09-06 9:56 | MySQL Server: Locking | Verified (5069 days) | S5 | 5.1, 5.5, ... | Any | Any | call multiple accepts per poll |
| 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 |
| 80060 | 2016-01-19 23:43 | 2017-09-27 19:45 | MySQL Server: InnoDB storage engine | Closed (3106 days) | S5 | 5.6.* | Any | Any | Concurrent TRUNCATE TABLEs cause stalls |
| 69029 | 2013-04-22 3:04 | 2013-04-25 4:55 | MySQL Server: InnoDB storage engine | Closed (4464 days) | S5 | 5.6.12 | Any | Any | Arbitrary flushing performance limitation is bad |
| 62288 | 2011-08-28 22:10 | 2013-08-08 18:02 | MySQL Server: Locking | Closed (4359 days) | S5 | 5.1, 5.5 | Any | Any | THD initialization too expensive for accept() thread |
| 77863 | 2015-07-28 19:00 | 2015-07-30 13:05 | MySQL Server: Performance Schema | Closed (3638 days) | S5 | 5.6.26 | Any | Any | slowdown caused by memset in sql_digest_storage.reset() |
| 62284 | 2011-08-28 21:57 | 2013-08-08 18:04 | MySQL Server: Locking | Closed (4359 days) | S5 | Any | Any | too much network initialization done in accept() thread | |
| 62283 | 2011-08-28 21:55 | 2013-08-08 18:05 | MySQL Server: Locking | Closed (4359 days) | S5 | 5.1, 5.5, ... | Any | Any | accept() socket gets too much of fcntl()s |
| 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 |
| 105644 | 2021-11-19 16:22 | 2021-11-23 14:10 | MySQL Server: Optimizer | Verified (1331 days) | S5 | 8.0 | Any | Any | ranges cannot use indexes on joined tables |
| 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 |
| 75592 | 2015-01-23 0:30 | 2015-07-13 1:09 | Connector / J | Closed (3731 days) | S3 | 5.1.34 | Any | Any | "SHOW VARIABLES WHERE" is expensive. |
| 77861 | 2015-07-28 17:30 | 2015-07-29 6:58 | MySQL Server: Information schema | Verified (3639 days) | S3 | 5.6, 5.6.26 | Any | Any | "SHOW PROCESSLIST" needs higher resolution time |
| 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' |
| 75590 | 2015-01-22 22:39 | 2018-12-01 6:12 | MySQL Server: Locking | Verified (2435 days) | S3 | 5.6 | Any | Any | SHOW VARIABLES WHERE ... materializes all variables into bigass temptable |
| 74919 | 2014-11-18 18:15 | 2015-11-25 16:01 | MySQL Server: InnoDB storage engine | Verified (3673 days) | S3 | all | Any | Any | purge should remove intermediate rows between far snapshots |
| 78413 | 2015-09-11 21:34 | 2015-09-18 7:51 | MySQL Server: Documentation | Closed (3588 days) | S3 | 5.6, 5.7 | Any | Any | 5.6 base64 functions in help tables should not have () |
| 78724 | 2015-10-06 22:37 | 2015-10-06 22:54 | MySQL Server: Documentation | Closed (3570 days) | S3 | 5.7 | Any | Any | Release notes don't point to public bugs |
| 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" | |
| 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 |
| 72945 | 2014-06-10 21:24 | 2018-11-02 9:41 | MySQL Server: Partitions | Verified (4052 days) | S3 | 5.* | Any | Any | Partitions are opened for information_schema.partitions queries |
| 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 |
| 82338 | 2016-07-25 21:05 | 2021-12-29 17:53 | MySQL Server: Optimizer | Verified (1294 days) | S3 | any, 5.6.31, 5.7.13 | Any | Any | Please support ASC/DESC index traversal on ASC/ASC indexing. |
| 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 |
| 82463 | 2016-08-04 17:40 | 2016-08-04 18:43 | MySQL Websites: bugs.mysql.com | Verified (3267 days) | S3 | Any | Any | planet.mysql.com cannot read feeds from wordpress.com hosted sites | |
| 72376 | 2014-04-17 23:18 | 2017-02-28 10:10 | MySQL Utilities: Binlog Events | Closed (3892 days) | S3 | 5.6.* | Any | Any | Seconds_behind_master distorted because of previous_gtid event |
| 84972 | 2017-02-14 1:09 | 2017-02-14 8:37 | MySQL Server: DML | Verified (3073 days) | S3 | 5.6,5.7.17, 5.6.35 | Any | Any | truncation warning gets eaten by assignment |
| 85331 | 2017-03-06 19:46 | 2017-09-27 2:00 | MySQL Server: Charsets | Closed (2848 days) | S3 | 5.6, 5.7, etc, 5.6.35 | Any | Any | _characterset specifications have lousy performance for some character sets |
| 93049 | 2018-11-01 23:03 | 2018-11-02 7:06 | MySQL Server: Optimizer | Verified (2447 days) | S3 | 8.0.13, 5.7.24, 5.6.42 | Any | Any | ORDER BY pk, otherdata should just use PK |
| 93050 | 2018-11-01 23:31 | 2018-11-02 0:23 | MySQL Server: Command-line Clients | Verified (2447 days) | S3 | 8.0 | Any | Any | 'mysqladmin shutdown' does not shutdown 5.6 servers |
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