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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 86215 | 2017-05-08 13:35 | 2017-07-11 22:44 | MySQL Server: Optimizer | Analyzing (2691 days) | S5 | 8.0.1 | Any | Any | MySQL is much slower in 5.7 vs 5.6 |
| 41101 | 2008-11-28 15:31 | 2023-02-12 20:45 | MySQL Server: Replication | In progress (5688 days) | S2 | 5.0.67 | Any | Any | set storage_engine and set create_table are not written to the binlog |
| 73763 | 2014-08-28 21:47 | 2016-10-26 15:20 | MySQL Server: InnoDB storage engine | In progress (2949 days) | S5 | 5.7 | Any | Any | New futex-mutex in InnoDB needs perf attention |
| 30342 | 2007-08-09 18:52 | 2015-10-07 14:54 | MySQL Server: Optimizer | Verified (3334 days) | S5 | 5.0.37, 5.6.17 | Any | Any | Equality propagation can make optimization much slower |
| 37613 | 2008-06-24 18:46 | 2011-02-16 23:43 | MySQL Server: General | Verified (5995 days) | S3 | 5.0.37, 5.0, 5.1, 6.0 bzr | Any | Any | user_var_entry allocations do not use the user_var_entry constructor |
| 37782 | 2008-07-01 17:58 | 2011-02-16 23:43 | MySQL Server: Security: Privileges | Verified (5617 days) | S3 | 5.0.62, 5.1, 4.1, 6.0 bzr | Any | Any | Program defensively in sql_acl.cc |
| 41311 | 2008-12-08 21:39 | 2022-12-04 20:45 | MySQL Server: Security: Privileges | Verified (5827 days) | S3 | 5.0.67, 5.0.72, 5.1.30 | Any | Any | set timestamp allows unprivileged users to change per-session clock |
| 43427 | 2009-03-05 17:17 | 2012-03-18 18:41 | MySQL Server: General | Verified (5738 days) | S5 | 5.0 | Any | Any | Don't limit table_cache_size as a function of max_connections |
| 43487 | 2009-03-08 19:46 | 2013-03-03 20:45 | MySQL Server: MyISAM storage engine | Verified (5617 days) | S5 | 5.0,5.1 | Any | Any | Change THR_LOCK_myisam to use MY_MUTEX_INIT_FAST |
| 47420 | 2009-09-17 18:34 | 2013-03-03 20:45 | MySQL Server: Information schema | Verified (5484 days) | S3 | 5.1.38 | Any | Any | information_schema.plugins.PLUGIN_VERSION doesn't specify the full version |
| 49609 | 2009-12-11 5:10 | 2012-05-18 20:19 | MySQL Server: General | Verified (5448 days) | S3 | 5.1.38, 5.1, next-mr | Any | Any | check_db_name is incorrect for single-byte character sets |
| 50168 | 2010-01-08 2:16 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5427 days) | S3 | 5.0,5.1 | Any | Any | The value of 'rows' in EXPLAIN output is not accurate for LIMIT |
| 52346 | 2010-03-24 20:59 | 2016-10-16 20:45 | MySQL Server: Replication | Verified (5357 days) | S3 | 5.1 | Any | Any | do not ignore const in ::do_apply_event |
| 53045 | 2010-04-22 4:58 | 2022-12-04 20:45 | MySQL Server: Locking | Verified (5328 days) | S5 | 5.1.45, 5.5 | Any | Any | LOCK_thread_count locked when per connection threads created |
| 53494 | 2010-05-07 15:32 | 2011-02-16 23:44 | MySQL Server: Options | Verified (5294 days) | S3 | 5.1 | Any | Any | Update docs for Queries and Questions in SHOW STATUS |
| 60343 | 2011-03-04 16:39 | 2011-09-13 19:21 | MySQL Server: Tests | Verified (4819 days) | S3 | 5.5 | Any | Any | where are the crash recovery tests? |
| 62018 | 2011-07-28 15:15 | 2018-02-11 20:45 | MySQL Server: InnoDB storage engine | Verified (4328 days) | S5 | 5.6.3 | Any | Any | innodb adaptive hash index mutex contention |
| 62545 | 2011-09-26 22:44 | 2011-09-27 11:49 | MySQL Server: Options | Verified (4805 days) | S3 | 5.5 | Any | Any | my_atof and getopt_double callers pass bogus end of string offsets |
| 63275 | 2011-11-16 0:04 | 2011-11-22 9:01 | MySQL Server: InnoDB Plugin storage engine | Verified (4755 days) | S3 | 5.1.52 | Any | Any | long sleep in srv_monitor_thread can delay shutdown |
| 64116 | 2012-01-23 20:05 | 2012-05-25 7:35 | MySQL Server: InnoDB Plugin storage engine | Verified (4686 days) | S5 | 5.1,5.5,5.6 | Any | Any | fil_space_get_size called too frequently |
| 64181 | 2012-01-31 14:41 | 2012-02-09 12:20 | MySQL Server: InnoDB Plugin storage engine | Verified (4675 days) | S5 | 5.1.52, 5.1.61 | Any | Any | unzip_LRU length management might need to be updated for SSD |
| 64340 | 2012-02-15 14:07 | 2013-06-14 15:35 | MySQL Server: InnoDB Plugin storage engine | Verified (4179 days) | S5 | 5.1.52, 5.1.61 | Any | Any | race on no_flush event during buf_flush_free_margin |
| 64344 | 2012-02-15 17:00 | 2015-01-16 19:40 | MySQL Server: InnoDB Plugin storage engine | Verified (4641 days) | S5 | 5.1.52 | Any | Any | malloc, free done for compressed pages when buffer pool mutex locked |
| 64347 | 2012-02-16 6:01 | 2012-02-16 16:35 | MySQL Server: Options | Verified (4663 days) | S3 | 5.1.52, 5.1.62, 5.5.22 | Any | Any | lower_case_table_names and my_database_names_init |
| 67727 | 2012-11-27 15:11 | 2012-12-28 12:57 | MySQL Server: DDL | Verified (4347 days) | S3 | 5.5 | Any | Any | How do I remove table options |
| 68207 | 2013-01-28 17:01 | 2013-01-31 13:41 | MySQL Server: InnoDB storage engine | Verified (4313 days) | S3 | 5.6 | Any | Any | too much contention on "os_mutex" |
| 68413 | 2013-02-18 2:45 | 2013-09-25 2:58 | MySQL Server: Performance Schema | Verified (4076 days) | S5 | 5.6.10, 5.6.13 | Any | Any | performance_schema overhead is at least 10% |
| 68481 | 2013-02-25 2:58 | 2014-11-04 11:47 | MySQL Server: InnoDB storage engine | Verified (4288 days) | S3 | 5.6.10 | Any | Any | InnoDB LRU flushing for MySQL 5.6 needs work |
| 68555 | 2013-03-03 21:34 | 2013-11-11 15:53 | MySQL Server: InnoDB storage engine | Verified (4029 days) | S5 | 5.6.10 | Any | Any | thread convoys from log_checkpoint_margin with innodb_buffer_pool_instances > 1 |
| 68825 | 2013-04-01 16:28 | 2018-07-11 15:09 | MySQL Server: Optimizer | Verified (3370 days) | S5 | 5.6.10 | Any | Any | performance regressions for single-threaded workloads |
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