| Showing all 314 (Edit, Save, CSV, Feed) |
| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 92133 | 2018-08-22 17:43 | 2022-11-24 15:40 | MySQL Server: Data Dictionary | Verified (2230 days) | S5 | 8.0.12 | Any | Any | DICT_SYS mutex contention causes complete stall when running with 40 mill tables |
| 66648 | 2012-09-02 1:36 | 2012-11-30 2:27 | MySQL Workbench: Modeling | Closed (4387 days) | S3 | 5.2.42/5.2.43/5.2.44 | Windows (Microsoft Windows 7 Service Pack 1 (build 7601), 64-bit) | Any | Forward Engineer |
| 76686 | 2015-04-14 9:14 | 2016-09-02 16:24 | MySQL Server: Replication | Verified (3298 days) | S3 | 5.7 | Any | Any | reduce mutex contention of LOCK_done during Group Commit |
| 76728 | 2015-04-17 4:48 | 2016-06-07 8:56 | MySQL Server: InnoDB storage engine | Closed (3106 days) | S3 | 5.7.7 | Any | Any | reduce lock_sys->mutex contention for transaction that only contains SELECT |
| 91977 | 2018-08-11 3:57 | 2023-12-09 19:04 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.7.17 | Any | Any | Dropping Large Table Causes Semaphore Waits; No Other Work Possible |
| 96224 | 2019-07-17 3:12 | 2022-06-16 3:01 | MySQL Server: InnoDB storage engine | Closed (1871 days) | S1 | 8.0.16 | CentOS | x86 | The MTR case innodb.innodb_corrupt_bit get a randomly coredump |
| 42546 | 2009-02-02 15:00 | 2011-02-16 23:43 | MySQL Server: Locking | Closed (5104 days) | S3 | 6.0-bzr | Linux | Any | Backup: RESTORE fails, thinking it finds an existing table |
| 56832 | 2010-09-17 0:24 | 2011-02-16 23:44 | MySQL Server: Performance Schema | Closed (5176 days) | S3 | 5.5.6-m3-release | Any | Any | perfschema.server_init test output not consistent |
| 80359 | 2016-02-13 15:47 | 2017-01-25 23:24 | MySQL Workbench | Closed (2870 days) | S2 | 6.3 | MacOS (El Capitan) | Any | Mac OS X (el capitan). Workbench 6.3 crashes when I try to add connection w/ SSH |
| 47768 | 2009-10-01 17:15 | 2011-02-16 23:44 | MySQL Server: General | Closed (5465 days) | S2 | 5.0+ | Windows | Any | pthread_cond_timedwait() is broken on windows |
| 68979 | 2013-04-17 3:47 | 2018-07-11 15:11 | MySQL Server: Optimizer | Verified (4214 days) | S5 | 5.6.10 | Linux | Any | performance regression of MySQL 5.6.10? |
| 77862 | 2015-07-28 18:10 | 2015-08-11 15:44 | MySQL Server: Locking | Closed (3403 days) | S3 | 5.7.7, 5.7.9 | Linux | Any | data race on safe mutex mp->file |
| 85205 | 2017-02-27 13:09 | 2017-03-01 15:23 | MySQL Server: InnoDB storage engine | Verified (2835 days) | S3 | 8.0.0 | Any | Any | A follow-up fix for buffer pool mutex split patch might be suboptimal, commit 1 |
| 95223 | 2019-05-02 12:57 | 2019-07-17 12:23 | MySQL Server: Locking | Closed (1968 days) | S3 | 8.0.15 | Any | Any | Locking loop between LOCK_event_queue and event MDL lock |
| 98945 | 2020-03-13 17:57 | 2020-03-20 12:59 | MySQL Server: Documentation | Closed (1721 days) | S3 | 8.0.* | Any | Any | show engine innodb mutex contain mutex of buffer pool blocks |
| 113665 | 2024-01-17 14:06 | 2024-10-17 12:59 | MySQL Server: Tests | Verified (48 days) | S3 | 8.0.40, 8.4.3, 9.1.0 | MacOS (12.4.1) | ARM | perfschema.relaylog fails with a result difference |
| 28186 | 2007-05-01 20:50 | 2007-09-13 19:17 | MySQL Server: Documentation | Closed (6292 days) | S3 | 5.1.17-beta | Any | Any | SHOW ENGINE INNODB MUTEX documentation is incomplete |
| 85208 | 2017-02-27 13:35 | 2017-03-01 15:26 | MySQL Server: InnoDB storage engine | Verified (2835 days) | S3 | 8.0.0 | Any | Any | A follow-up fix for buffer pool mutex split patch might be suboptimal, commit 2 |
| 88693 | 2017-11-29 9:53 | 2018-05-21 11:40 | MySQL Server | Closed (2561 days) | S1 | 5.7.17 | Any | Any | Mutex deadlock causing mysqld to hang and cease to work |
| 83079 | 2016-09-21 13:16 | 2019-01-10 14:59 | MySQL Server: InnoDB storage engine | Closed (2781 days) | S2 | 5.7 | Any | Any | long semaphore wait often resulting in crash, DICT_SYS mutex held by statistics |
| 83532 | 2016-10-25 14:11 | 2018-02-18 18:29 | MySQL Server: InnoDB storage engine | Verified (2928 days) | S3 | 8.0 | Any | ARM | InnoDB mutex bs: memory barriers |
| 97825 | 2019-11-28 9:27 | 2020-03-10 13:01 | MySQL Server: InnoDB storage engine | Closed (1731 days) | S3 | 8.0.18 | Any | Any | dd_mdl_acquire in dd_table_open with dict_sys->mutex hold may cause deadlock |
| 47213 | 2009-09-09 9:46 | 2018-02-23 0:44 | MySQL Server: InnoDB storage engine | Closed (3792 days) | S3 | 5.0, 5.1.36 + plugin 1.0.3 | Linux (PowerPC SMP) | ARM | InnoDB mutex/rw_lock should be conscious about memory ordering other than Intel |
| 61188 | 2011-05-16 16:43 | 2011-11-02 16:32 | MySQL Server: InnoDB storage engine | Closed (4781 days) | S3 | 5.5.12-log | Linux (CentOS release 5.3 (Final)) | Any | DROP TABLE extremely slow |
| 69276 | 2013-05-18 19:23 | 2014-11-05 15:15 | MySQL Server: InnoDB storage engine | Verified (4217 days) | S5 | 5.6.11 | Any | Any | fil_system->mutex contention limits block read rate with fast storage |
| 70819 | 2013-11-05 11:55 | 2014-10-22 15:30 | MySQL Server: InnoDB storage engine | Closed (3696 days) | S3 | 5.6.14 | Any | Any | SHOW ENGINE INNODB MUTEX does NOT work with timed_mutex properly |
| 70950 | 2013-11-19 7:03 | 2015-06-28 20:45 | MySQL Server: InnoDB storage engine | Verified (4032 days) | S5 | 5.7+ | Any | Any | log_sys->mutex is so hot in pure write cases |
| 71092 | 2013-12-05 13:06 | 2014-02-10 11:30 | MySQL Server: InnoDB storage engine | Closed (3957 days) | S2 | 5.6.15 | Any | Any | InnoDB FTS introduced new mutex sync level in 5.6.15, broke UNIV_SYNC_DEBUG |
| 76460 | 2015-03-23 13:01 | 2015-04-08 13:31 | MySQL Server: Optimizer | Closed (3528 days) | S3 | 5.7.5 | Any | Any | Cost constant cache's mutex not instrumented by performance schema |
| 89101 | 2018-01-04 1:52 | 2020-03-30 12:12 | MySQL Server: DML | Verified (2512 days) | S2 | 5.7.20 | Any | Any | MySQL server hang when gtid_mode=on and innodb_thread_concurrency>0 |
| 7146 | 2004-12-09 20:26 | 2005-02-21 7:50 | MySQL Server: Compiling | Closed (7226 days) | S2 | 4.1.7 | Linux (Debian GNU/Linux on Sparc) | Any | Fails to build on sparc |
| 24392 | 2006-11-17 14:09 | 2007-03-09 4:28 | MySQL Server: Parser | Closed (6480 days) | S3 | 5.1-BK | Linux (Linux) | Any | SHOW ENGINE <unknown> STATUS is a synonym for SHOW ENGINE ALL STATUS |
| 36499 | 2008-05-05 8:33 | 2008-08-26 12:34 | MySQL Server: Maria storage engine | Closed (5944 days) | S3 | 5.1-maria | Any | Any | Maria: potential deadlock |
| 36525 | 2008-05-06 10:34 | 2008-08-12 16:27 | MySQL Server | Closed (5958 days) | S2 | 5.0.45 | Linux (EDT 2007 x86_64 x86_64 x86_64 GNU/Linux ) | Any | Mysql Server becomes very slow. |
| 43357 | 2009-03-04 9:35 | 2010-02-25 0:19 | MySQL Server: Backup | Closed (5396 days) | S3 | 6.0,5.4 | Any | Any | Server crash when selecting from INFORMATION_SCHEMA |
| 55581 | 2010-07-27 11:50 | 2011-02-16 23:44 | MySQL Server: InnoDB Plugin storage engine | Closed (5153 days) | S2 | 5.1 | Any | Any | shutdown with innodb-use-sys-malloc=0: assert mutex->magic_n == MUTEX_MAGIC_N |
| 56299 | 2010-08-26 16:16 | 2011-11-07 17:24 | MySQL Server: Locking | Closed (4776 days) | S1 | 5.1.50,5.5.5 | Any | Any | mutex deadlock with COM_BINLOG_DUMP, binlog purge, and processlist/kill |
| 62294 | 2011-08-30 0:34 | 2011-10-07 0:56 | MySQL Server: InnoDB Plugin storage engine | Closed (4807 days) | S3 | 5.1,5.5 | Any | Any | buf_buddy_relocate calls gettimeofday while holder buffer pool mutex |
| 69146 | 2013-05-05 7:50 | 2015-06-04 8:02 | MySQL Server: InnoDB storage engine | Verified (3472 days) | S5 | 5.5, 5.6, 5.7 | Any | Any | Needless log flush order mutex acquisition in buf_pool_get_oldest_modification |
| 70406 | 2013-09-24 9:31 | 2013-09-25 7:28 | MySQL Server: InnoDB storage engine | Verified (4088 days) | S3 | 5.6 | Any | Any | buf_pool_get_dirty_pages_count() needs not to lock the buffer pool mutex |
| 71959 | 2014-03-06 22:30 | 2014-03-12 9:58 | MySQL Server: Replication | Verified (3920 days) | S2 | 5.7.2 | Any | Any | non blocking SHOW MASTER STATUS / SHOW BINARY LOGS |
| 73168 | 2014-07-02 4:14 | 2015-02-25 10:51 | MySQL Server: InnoDB storage engine | Verified (3808 days) | S5 | 5.6/5.7 | Any | Any | locking/unlocking overhead for THD::LOCK_thd_data |
| 77094 | 2015-05-19 13:13 | 2018-10-09 14:11 | MySQL Server: InnoDB storage engine | Closed (3025 days) | S3 | 5.7.7 | Any | Any | Reduce log_sys->mutex contention by allowing concurrent mtr commit and log write |
| 79477 | 2015-12-01 10:36 | 2016-12-02 14:53 | MySQL Server: InnoDB storage engine | Verified (2924 days) | S3 | Any | Any | Remove sync_arr_wake_threads_if_sema_free hack | |
| 79665 | 2015-12-16 10:50 | 2017-05-31 20:02 | MySQL Server: Documentation | Closed (2744 days) | S3 | any | Any | Any | Manual does NOT explain locks set by INSERT ... ON DUPLICATE KEY UPDATE properly |
| 80234 | 2016-02-02 11:58 | 2016-02-19 17:55 | MySQL Server: C API (client library) | Closed (3215 days) | S2 | 5.7 | Any | Any | Client library fails to close handle on mutex used by shared memory connections |
| 85304 | 2017-03-04 8:26 | 2017-09-02 12:52 | MySQL Server: InnoDB storage engine | Verified (2650 days) | S3 | 5.7 | Any | Any | Reduce mutex contention of fil_system->mutex |
| 95122 | 2019-04-25 7:03 | 2019-04-25 13:54 | MySQL Server: InnoDB storage engine | Verified (2050 days) | S3 | 5.6, 5.7 | Any | Any | No need to get log_sys->log_flush_order_mutex during InnoDB crash recovery |
| 97955 | 2019-12-11 4:26 | 2019-12-11 11:28 | MySQL Server: Replication | Verified (1820 days) | S2 | 5.6/5.7/8.0, 8.0.18 | Any | Any | Multi 'show binary logs' statement may block transaction commit |
| 104982 | 2021-09-18 8:02 | 2021-09-18 8:04 | MySQL Server | Closed (1173 days) | S2 | 8.0.19 | Any | Any | long wait for log_wait_for_flush |
| 107858 | 2022-07-13 7:14 | 2022-08-22 22:40 | MySQL Server: InnoDB storage engine | Closed (835 days) | S3 | 5.7 | Any | Any | truncate table not free mutex in some case |
| 110494 | 2023-03-24 13:04 | 2024-07-02 17:44 | MySQL Server: DML | Closed (566 days) | S2 | 8.0 | Any | Any | Deadlock between FLUSH STATUS, COM_CHANGE_USER and SELECT FROM I_S.PROCESSLIST |
| 113312 | 2023-12-01 22:48 | 2024-10-23 11:29 | MySQL Server: InnoDB storage engine | Verified (300 days) | S2 | 8.0.35, 8.1.0 | Any | Any | Server stall during Alter/Drop table while clearing AHIs from the buffer pool |
| 3824 | 2004-05-19 1:34 | 2004-05-29 10:34 | MySQL Server | Closed (7494 days) | S2 | 4.1.1 alpha | Linux (Redhat 9) | Any | mysql_execute, mysql_insert_id, and threads |
| 7823 | 2005-01-12 2:49 | 2005-04-28 16:07 | MySQL Server | Closed (7160 days) | S3 | 4.0.23 | Linux (Red Hat Enterprise Linux) | Any | FLUSH TABLES WITH READ LOCK + INSERT DELAYED = deadlock |
| 11615 | 2005-06-28 17:29 | 2005-08-02 18:14 | Connector / J | Closed (7064 days) | S3 | 3.1.10 | Windows (Windows XP) | Any | Synchronization problem in realClose |
| 14417 | 2005-10-28 8:55 | 2005-12-01 19:30 | MySQL Server: Replication | Closed (6943 days) | S2 | 5.0-wl1012 | Any (ALL) | Any | RBR: Thread-safety and table maps |
| 33296 | 2007-12-17 18:58 | 2008-02-26 2:15 | MySQL Server: Backup | Closed (6126 days) | S3 | 6.0 | Any | Any | Error deleting mutex in locking thread |
| 36428 | 2008-04-30 14:53 | 2011-04-09 11:03 | MySQL Server: General | Closed (4988 days) | S1 | 5.0, 5.1, 6.0 | Any | Any | MY_MUTEX_INIT_FAST is used before initialization |
| 38694 | 2008-08-09 18:24 | 2011-02-16 23:43 | MySQL Server: Replication | Closed (5678 days) | S2 | 5.0.37, 5.0.68, 5.0.76-debug | Any | Any | Race condition in replication thread shutdown |
| 38941 | 2008-08-21 15:38 | 2008-11-13 3:32 | MySQL Server | Closed (5865 days) | S5 | 5.1, 6.0 BZR | Any | Any | fast mutexes in MySQL 5.1 have mutex contention when calling random() |
| 39492 | 2008-09-17 0:58 | 2011-02-16 23:43 | MySQL Server: General | Closed (5832 days) | S5 | 5.0.51a | Solaris | Any | solaris should use a separate alarm thread |
| 41399 | 2008-12-11 15:11 | 2009-11-13 16:01 | MySQL Server: Maria storage engine | Closed (5500 days) | S3 | 6.0-maria | Linux | Any | Maria: mutex deadlock detection warning LOCK_audit_mask LOCK_plugin |
| 51851 | 2010-03-09 5:32 | 2011-02-16 23:44 | MySQL Server: Partitions | Closed (5132 days) | S2 | 5.1, 5.6.99-m4, 5.5.3-m3 | Any | Any | Server with SBR locks mutex twice on LOAD DATA into partitioned MyISAM table |
| 53916 | 2010-05-22 21:44 | 2011-02-16 23:44 | MySQL Server: InnoDB Plugin storage engine | Closed (5104 days) | S3 | 5.1.46 | Other (NetBSD/sparc64) | Any | storage/innodb_plugin does not compile on NetBSD/sparc64 |
| 54726 | 2010-06-23 9:28 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5117 days) | S3 | 5.5 | Any | Any | Inconsistent reporting between mutex and RW lock spin rounds |
| 55576 | 2010-07-27 2:59 | 2011-02-16 23:44 | MySQL Server: Performance Schema | Closed (5108 days) | S3 | 5.6, 5,5 | Any | Any | Two perfschema tests failed on mysql-next-mr-innodb PB2 tests |
| 58975 | 2010-12-16 14:14 | 2014-01-29 20:21 | MySQL Server: InnoDB storage engine | Closed (5076 days) | S2 | 5.6 | Any | Any | Possible infinite loop during shutdown, waiting for page cleaner thread |
| 64344 | 2012-02-15 17:00 | 2015-01-16 19:40 | MySQL Server: InnoDB Plugin storage engine | Verified (4653 days) | S5 | 5.1.52 | Any | Any | malloc, free done for compressed pages when buffer pool mutex locked |
| 67808 | 2012-12-05 2:45 | 2012-12-26 2:34 | MySQL Server: InnoDB storage engine | Verified (4361 days) | S2 | 5.5.* | Any | Any | in innodb engine, double write and multi-buffer pool instance reduce concurrency |
| 68251 | 2013-02-02 1:09 | 2013-05-28 6:58 | MySQL Server: Replication | Closed (4208 days) | S3 | 5.6.9 | Any | Any | 3-way deadlock on semisync replication and binlog rotate |
| 69413 | 2013-06-06 8:09 | 2013-06-27 18:05 | MySQL Server: Documentation | Closed (4178 days) | S3 | 5.6.12 | Any | Any | description of bug#16268289 in the changelog may confuse people |
| 70639 | 2013-10-16 19:36 | 2014-02-12 22:57 | MySQL Server: Locking | Closed (3948 days) | S3 | 5.5,5.6,5.7 | Any | Any | THR_LOCK_mutex is used before being initialized |
| 70768 | 2013-10-29 22:41 | 2018-02-15 5:32 | MySQL Server: InnoDB storage engine | Closed (3967 days) | S5 | 5.6.14 | Any | Any | Persistent optimizer statistics often causes LOCK_open stalls |
| 72755 | 2014-05-27 2:22 | 2016-04-14 0:17 | MySQL Server: InnoDB storage engine | Verified (3841 days) | S3 | 5.6 | Any | Any | InnoDB mutex spin loop is missing GCC barrier |
| 73246 | 2014-07-09 16:18 | 2015-02-19 16:06 | MySQL Utilities: Binlog Events | Closed (3576 days) | S2 | 5.7 | Any | Any | Shutdown after heuristic crash recovery locks mutex twice instead of unlocking |
| 73361 | 2014-07-23 4:38 | 2015-04-27 8:37 | MySQL Server: InnoDB storage engine | Closed (3607 days) | S5 | 5.6.19 | Any | Any | mutex contention caused by dummy table/index creation/free |
| 73903 | 2014-09-12 8:34 | 2014-10-30 23:55 | MySQL Cluster: Replication | Closed (3688 days) | S5 | All | Any | Any | Optimize the log_lock mutex for mysql_binlog_send call |
| 75388 | 2015-01-01 20:29 | 2015-06-02 14:45 | MySQL Server: Documentation | Closed (3473 days) | S3 | 5.6, 5.7 | Any | Any | Manual does not really explain how to get information on InnoDB mutexes from P_S |
| 75640 | 2015-01-27 4:50 | 2015-01-27 7:58 | MySQL Server: DML | Verified (3599 days) | S3 | 5.6.21-debug, 5.6.24 | Linux (CentOS 7) | Any | Failing assertion: array->n_elems < array->max_elems in sync_thread_add_level |
| 76821 | 2015-04-24 10:36 | 2016-02-08 12:45 | MySQL Cluster: Cluster (NDB) storage engine | Closed (3491 days) | S3 | 7.2.21 | Any | Any | WatchDog detects no progress in send thread and kills datanode |
| 77314 | 2015-06-11 11:28 | 2015-06-29 18:17 | MySQL Server: InnoDB storage engine | Closed (3446 days) | S3 | 5.7.7-rc | Linux | Any | Missing mutex metrics in 5.7.7 |
| 77717 | 2015-07-14 11:23 | 2016-06-18 21:26 | Tests: Server | Closed (3299 days) | S3 | 8.0 | Any | Any | perfschema.no_threads : fails sporadically on daily-trunk |
| 79311 | 2015-11-17 11:25 | 2016-02-08 12:43 | MySQL Cluster: Cluster (NDB) storage engine | Closed (3298 days) | S3 | 7.2.22 | Any | Any | NDB binlog injector use incorrect mutex in condition signaling |
| 79784 | 2015-12-28 6:50 | 2016-01-21 15:06 | MySQL Server: Performance Schema | Closed (3240 days) | S3 | 5.6.24 5.7.10 | Any | Any | update setup_instruments do not affect the global mutex/rwlock/cond |
| 89127 | 2018-01-07 14:12 | 2018-03-09 22:31 | MySQL Server: InnoDB storage engine | Closed (2501 days) | S3 | 8.0 | Any | Any | Optimize trx_rw_is_active() by tracking the lowest active transaction id |
| 95115 | 2019-04-24 17:16 | 2019-07-18 13:18 | MySQL Server: Replication | Closed (1966 days) | S1 | 5.7.24 | CentOS (CentOS Linux release 7.6.1810 (Core)) | x86 (x86_64, ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked (uses shared libs) | mysqld deadlock of all client threads originating from 3-way deadlock |
| 96374 | 2019-07-30 6:53 | 2021-05-31 16:29 | MySQL Server: InnoDB storage engine | Closed (1283 days) | S3 | 8.0.16 8.0.17 5.7.25 | Any | Any | binlog rotation deadlock when innodb concurrency limit setted |
| 103275 | 2021-04-12 5:41 | 2024-03-06 14:56 | MySQL Server: Memcached | Verified (1323 days) | S2 | 8.0.23, 8.0.24 | Any | Any | MySQL starup hangs when used with memcached |
| 103620 | 2021-05-07 8:31 | 2021-05-08 3:48 | MySQL Server: InnoDB storage engine | Verified (1306 days) | S3 | 8.0.24 | Any | Any | No need to acquire shard mutex if setting to O_DIRECT_NO_FSYNC |
| 105914 | 2021-12-16 6:48 | 2021-12-17 3:25 | MySQL Server: InnoDB storage engine | Verified (1083 days) | S3 | 5.7 | Any | Any | some undo logs may be truncated, but were not be purged |
| 2277 | 2004-01-04 19:35 | 2004-01-30 10:24 | MySQL Server | Closed (7614 days) | S1 | 4.0.17 | MacOS (Mac OS X 10.3.2 Panther) | Any | Problems running mysql_install_db (MySQL-4.0.17) Mac OS X 10.3.2 Panther |
| 2921 | 2004-02-22 14:11 | 2004-03-11 7:27 | MySQL Server: Replication | Closed (7573 days) | S2 | 4.0.18 | Linux (RedHat 7.3) | Any | Replication problem on mutex lock in mySQL-4.0.18 |
| 7143 | 2004-12-09 20:21 | 2005-02-21 7:49 | MySQL Server: Compiling | Closed (7226 days) | S2 | 4.1.7 | Linux (Debian GNU/Linux on Alpha) | Any | Fails to build on Alpha |
| 7620 | 2005-01-02 20:31 | 2005-02-25 17:17 | MySQL Server | Closed (7222 days) | S3 | 5.0.3-alpha-debug | Linux (SUSE 9.2) | Any | Stored procedure packet error if show mutex status |
| 8653 | 2005-02-21 16:33 | 2005-04-06 15:09 | MySQL Server | Closed (7182 days) | S1 | Any | 5.0.3 leaves an InnoDB trx open after connection ends; InnoDB shutdown hangs | ||
| 11704 | 2005-07-02 18:52 | 2011-02-16 23:43 | MySQL Server: Optimizer | Closed (5281 days) | S2 | 5.0.9, 4.1 | Linux (Linux/x86) | Any | Found locks from different threads in write -> crash with OPTIMIZE table? |
| 12003 | 2005-07-18 12:12 | 2005-07-18 13:14 | MySQL Server | Closed (7079 days) | S1 | 4.1 | Linux (linux) | Any | assertion failure in testsuite (double lock of LOCK_thread_count) |
| 20821 | 2006-07-03 13:41 | 2006-07-13 20:09 | MySQL Server: Replication | Closed (6719 days) | S3 | 5.1-bk | Linux (linux) | Any | INSERT DELAYED fails to write some rows to binlog |
| 20850 | 2006-07-04 13:48 | 2006-07-28 4:11 | MySQL Server: Replication | Closed (6704 days) | S3 | 5.0.24, 5.1.12 | Linux (Linux) | Any | Assert during slave shutdown in many rpl_* tests |
| 21298 | 2006-07-26 13:07 | 2006-09-01 8:14 | MySQL Cluster: Cluster (NDB) storage engine | Closed (6669 days) | S2 | 5.1.12 | Any (all) | Any | ndbcluster_log_schema_op locks already freed mutex |
| 21647 | 2006-08-15 6:10 | 2006-09-01 7:56 | MySQL Server: Tests | Closed (6669 days) | S3 | 5.1.12bk | Any | events tests fails with --with-ndbcluster | |
| 23176 | 2006-10-11 14:44 | 2006-10-24 21:33 | MySQL Server: Falcon storage engine | Closed (6616 days) | S3 | Any | Any | Falcon hangs on update key sysbench test with 256 threads | |
| 24386 | 2006-11-17 10:53 | 2011-02-16 23:43 | MySQL Server: InnoDB storage engine | Closed (5282 days) | S2 | 5.0, 5.1 | Any (all) | Any | Performance degradation caused by instrumentation in mutex_struct |
| 25042 | 2006-12-13 15:15 | 2007-03-30 19:37 | MySQL Server | Closed (6459 days) | S2 | 5.0.15/5.0BK/5.1BK | Windows (Windows (XP)) | Any | OPTIMIZE TABLE cause race condition in IO CACHE SHARE |
| 27062 | 2007-03-13 3:19 | 2007-08-07 19:51 | MySQL Server | Closed (6329 days) | S5 | 5.1, 5.0 | Any (any) | Any | Creation of temp tables (memory/heap) sets a global mutex |
| 27676 | 2007-04-05 20:09 | 2007-04-05 22:04 | MySQL Server: Falcon storage engine | Closed (6453 days) | S3 | 5.2.4-falcon-alpha-debug | Linux (SUSE 10 64-bit) | Any | Falcon: crash if show mutex status |
| 29560 | 2007-07-05 2:06 | 2011-02-16 23:43 | MySQL Server: InnoDB storage engine | Closed (5915 days) | S2 | 5.0.41 | Any (Multi CPU) | Any | InnoDB >= 5.0.30 hangs on adaptive hash rw-lock 'waiting for an X-lock' |
| 30274 | 2007-08-07 13:04 | 2007-08-08 15:27 | MySQL Server | Closed (6328 days) | S1 | 5.1.21 | Other (if HAVE_GETHRTIME) | Any | Debug server crashes because mutex isn't initialized |
| 32970 | 2007-12-04 17:28 | 2008-02-26 1:39 | MySQL Server: Backup | Closed (6126 days) | S3 | 6.0 | Any | Any | Locking thread not added to process list properly |
| 36098 | 2008-04-15 17:48 | 2011-02-16 23:43 | MySQL Server: General | Closed (5387 days) | S2 | 6.0 | Any | Any | Audit plugin (wl 3771) feature disabled in 6.0 |
| 37961 | 2008-07-08 10:41 | 2008-10-26 0:27 | MySQL Server | Closed (5883 days) | S3 | 6.0 | Any | Any | "Trying to destroy unitialized mutex" crash when server can not start |
| 38563 | 2008-08-05 9:50 | 2008-10-05 16:29 | MySQL Cluster: Cluster (NDB) storage engine | Closed (5904 days) | S3 | 6.2 | Any | Any | ndb_mgmd performs network I/O with client(s) while holding mutex |
| 38967 | 2008-08-22 17:25 | 2011-02-16 23:43 | MySQL Server | Closed (5501 days) | S5 | 5.0-bzr, 5.1-bzr, 6.0-bzr | Any | Any | Unused mutex LOCK_Acl |
| 38969 | 2008-08-22 17:31 | 2008-11-03 2:00 | MySQL Server | Closed (5875 days) | S5 | 6.0-bzr | Any | Any | Unused mutex LOCK_hostname |
| 39483 | 2008-09-16 15:29 | 2011-02-16 23:43 | MySQL Server: InnoDB storage engine | Closed (5282 days) | S2 | 5.0, 5.1 | Any | Any | InnoDB hang on adaptive hash because of out of order ::open() call by MySQL |
| 40155 | 2008-10-19 19:28 | 2009-05-15 17:04 | MySQL Server: Falcon storage engine | Closed (5682 days) | S2 | 6.0-rpl | Any | Any | [Falcon] Error: assertion (ret == 0) failed at line 80 in file Mutex.cpp |
| 40899 | 2008-11-20 19:16 | 2021-05-02 20:45 | MySQL Cluster: Cluster (NDB) storage engine | Verified (5789 days) | S2 | mysql-5.1 | Any | Any | Mutex not unlocked in ndb_util_thread_func |
| 41663 | 2008-12-21 14:21 | 2009-05-07 16:16 | MySQL Server: Falcon storage engine | Closed (5690 days) | S1 | 6.0-falcon-team | Any | Any | Falcon assertion (deferredIndex->virtualOffset) failed at Index.cpp:264 |
| 42649 | 2009-02-06 14:18 | 2011-02-16 23:43 | MySQL Server: Charsets | Closed (5590 days) | S5 | 5.0,5.1 | Any | Any | THR_LOCK_charset global mutex abused by InnoDB |
| 42757 | 2009-02-11 12:01 | 2011-02-16 23:43 | MySQL Server: Replication | Closed (5406 days) | S3 | Any | Any | Redundant use of LOCK_log in MYSQL_BIN_LOG::write(Log_event*) | |
| 44091 | 2009-04-04 23:17 | 2011-02-16 23:43 | MySQL Server: Embedded Library ( libmysqld ) | Closed (5682 days) | S2 | 5.1.33 | Linux (Fedora 10 x86_64) | Any | libmysqld gets stuck waiting on mutex on initialization |
| 47304 | 2009-09-14 9:38 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5387 days) | S2 | 5.4.4 | Linux (x86_64) | Any | Test main.mdl_sync fails on embedded server |
| 48048 | 2009-10-14 16:37 | 2011-02-16 23:44 | MySQL Server: General | Closed (5386 days) | S3 | 5.5.0 | Any | Any | Deprecated constructs need removal in Betony |
| 48930 | 2009-11-20 8:10 | 2010-03-07 19:32 | MySQL Server: Backup | Closed (5386 days) | S2 | Any | Any | Backup: Lock thread race condition for default backup driver | |
| 49207 | 2009-11-30 13:59 | 2011-02-16 23:44 | MySQL Cluster: Cluster (NDB) storage engine | Closed (5474 days) | S3 | mysql-5.1-telco-6.3 | Any | Any | Nodefailure can "hang" ndb_mgmd with node id allocation |
| 49342 | 2009-12-02 12:16 | 2010-03-07 19:00 | MySQL Server: Backup | Closed (5386 days) | S2 | 6.0-backup | Any | Any | backup locking thread: trying to destroy a mutex LOCK_thd_data that was locked |
| 49536 | 2009-12-08 16:23 | 2011-02-16 23:44 | MySQL Cluster: Replication | Closed (5378 days) | S1 | Any | Any | Mutex deadlock when expire_logs_days is used | |
| 50436 | 2010-01-19 9:53 | 2011-02-16 23:44 | MySQL Server: Performance Schema | Closed (5387 days) | S1 | 6.0, 5.5.99-m3 | HP/UX | Any | perfschema.aggregate fails on HPUX in 6.0 |
| 51738 | 2010-03-04 21:43 | 2011-02-16 23:44 | MySQL Server: Performance Schema | Closed (5383 days) | S3 | 5.5.99 | Linux (Ubuntu 32 bit) | Any | Unit test pfs_instr-t crashes |
| 52266 | 2010-03-22 6:18 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5193 days) | S2 | mysql-trunk-runtime-exp | Any | Any | Trying to lock unitialized mutex at storage/myisam/ha_myisam.cc, line 1712 |
| 52806 | 2010-04-14 6:32 | 2024-05-06 13:49 | MySQL Server: InnoDB Plugin storage engine | Closed (212 days) | S5 | 5.1 | Any | Any | Make InnoDB mutexes green |
| 54583 | 2010-06-17 12:14 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5164 days) | S3 | 5.5.5pre-debug | Any | Any | InnoDB: Assertion failure in thread <..> in file sync/sync0sync.c line 1226 |
| 54815 | 2010-06-25 17:32 | 2013-06-14 8:39 | MySQL Server: InnoDB Plugin storage engine | Closed (4191 days) | S5 | 5.1.47 | Any | Any | reduce the overhead from buf_flush_free_margin |
| 55878 | 2010-08-10 12:17 | 2022-12-04 20:45 | MySQL Server: InnoDB storage engine | Verified (5194 days) | S3 | 5.5 | Any | Any | Possible race condition in INNOBASE_SHARE (no race condition) |
| 56096 | 2010-08-18 19:24 | 2011-02-16 23:44 | MySQL Server | Closed (5128 days) | S3 | 5.5.5-m3, 5.6.1-m4 | Any | Any | STOP SLAVE hangs if executed in parallel with user sleep |
| 56791 | 2010-09-15 10:32 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5109 days) | S3 | 5.5 | Any | Any | Remove ios_mutex from InnoDB code |
| 57627 | 2010-10-21 12:45 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5075 days) | S3 | 5.6 | Any | Any | Use atomic memory access instead of mutexes for updating counters |
| 58746 | 2010-12-06 5:57 | 2012-02-13 3:30 | MySQL Server: InnoDB storage engine | Closed (4678 days) | S2 | trunk | Any | Any | lock_number_of_rows_locked() is not thread safe |
| 59625 | 2011-01-20 7:39 | 2012-02-13 3:38 | MySQL Server: InnoDB storage engine | Closed (4678 days) | S1 | 5.5+ | Any | Any | Multiple RBS break the get rseg with mininum trx_t::no code during purge |
| 59710 | 2011-01-25 10:11 | 2022-04-10 20:45 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6+ | Any | Any | InnoDB mutex_t size should be trimmed |
| 61132 | 2011-05-11 11:21 | 2013-08-21 14:51 | MySQL Server: InnoDB Plugin storage engine | Closed (4123 days) | S3 | 5.1, 5.5 | Any | Any | Infinite loop in buf_page_get_gen() when handling compressed pages |
| 62018 | 2011-07-28 15:15 | 2018-02-11 20:45 | MySQL Server: InnoDB storage engine | Verified (4340 days) | S5 | 5.6.3 | Any | Any | innodb adaptive hash index mutex contention |
| 62030 | 2011-07-29 18:17 | 2014-05-14 12:37 | MySQL Server: InnoDB Plugin storage engine | Closed (3857 days) | S5 | 5.6.3 | Any | Any | trx_sys_flush_max_trx_id stalls transaction start |
| 64116 | 2012-01-23 20:05 | 2012-05-25 7:35 | MySQL Server: InnoDB Plugin storage engine | Verified (4698 days) | S5 | 5.1,5.5,5.6 | Any | Any | fil_space_get_size called too frequently |
| 64284 | 2012-02-09 19:33 | 2012-03-26 23:09 | MySQL Server: InnoDB storage engine | Closed (4636 days) | S3 | 5.5, 5.6 | Any | Any | Eliminate LRU scan when dropping a table |
| 66473 | 2012-08-21 1:49 | 2016-08-04 0:38 | MySQL Server: Locking | Closed (4300 days) | S5 | 5.6.6-m9 | Any | Any | MySQL 5.6.6-m9 has more mutex contention than MySQL 5.1 |
| 68079 | 2013-01-14 12:01 | 2014-02-28 6:40 | MySQL Server: InnoDB storage engine | Closed (3975 days) | S2 | 5.5.29, 5.6.9-rc | Linux (x86_64) | Any | InnoDB does not scale well on 12 core system for specific all in memory SELECT |
| 68116 | 2013-01-18 9:32 | 2015-05-08 15:07 | MySQL Server: InnoDB storage engine | Closed (3647 days) | S3 | 5.1, 5.5, 5.6 | Any | Any | InnoDB monitor may hit an assertion error in buf_page_get_gen in debug builds |
| 68244 | 2013-02-01 13:24 | 2013-06-06 15:13 | MySQL Server: InnoDB storage engine | Closed (4199 days) | S3 | 5.5 | Any | Any | lock_rec_validate_page() may dereference a pointer to a freed lock |
| 68768 | 2013-03-25 21:28 | 2013-04-09 14:25 | MySQL Server: Performance Schema | Closed (4257 days) | S3 | Any | Any | MIN_TIMER_WAIT in events_waits_summary_global_by_event_name overflows | |
| 69341 | 2013-05-29 0:55 | 2016-04-07 5:46 | MySQL Server: Replication | Closed (4170 days) | S5 | 5.6.11 | Any | Any | semi-sync replication is very slow with many clients |
| 69653 | 2013-07-03 5:34 | 2013-10-01 15:41 | MySQL Server: Logging | Closed (4082 days) | S3 | 5.6 | Any | Any | Use of uninitialized pthread_getspecific() key in debug builds |
| 70218 | 2013-09-02 21:42 | 2014-03-28 19:21 | MySQL Server: Replication | Closed (3964 days) | S5 | 5.6.13 | Any | Any | Semisync master plugin with many slaves causes plugin_lock mutex contentions |
| 71358 | 2014-01-13 1:27 | 2014-04-12 10:51 | MySQL Proxy: Core | Verified (3889 days) | S3 | 0.8.4 | Any | Any | mutex required fot network-connection-pool object. |
| 74280 | 2014-10-08 16:41 | 2014-10-10 13:50 | MySQL Server: InnoDB storage engine | Verified (3708 days) | S5 | 5.7.5 | Any | Any | covering secondary scans worse than PK scan at high concurrency |
| 75014 | 2014-11-26 21:41 | 2017-06-14 8:26 | MySQL Server: Replication | Closed (3506 days) | S3 | 5.7 | Any | Any | gtid_executed table compression thread may not wake up |
| 75534 | 2015-01-16 19:28 | 2017-02-27 13:36 | MySQL Server: InnoDB storage engine | Closed (2837 days) | S5 | Any | Any | Solve buffer pool mutex contention by splitting it | |
| 76509 | 2015-03-27 14:45 | 2015-04-06 23:36 | MySQL Server: Parser | Closed (3537 days) | S3 | 5.7 | Any | Any | use atomics to avoid MUTEX CONTENTION ON LOCK_PLUGIN DUE TO QUERY REWRITE FRAMEW |
| 79703 | 2015-12-18 12:54 | 2016-06-29 12:36 | MySQL Server: InnoDB storage engine | Closed (3080 days) | S3 | 5.6,5.7 | Any | Any | Spin rounds per wait will be negative in InnoDB status if spin waits > max32int |
| 80060 | 2016-01-19 23:43 | 2017-09-27 19:45 | MySQL Server: InnoDB storage engine | Closed (2883 days) | S5 | 5.6.* | Any | Any | Concurrent TRUNCATE TABLEs cause stalls |
| 81134 | 2016-04-19 6:51 | 2016-05-23 23:37 | MySQL Cluster: Cluster (NDB) storage engine | Closed (3138 days) | S3 | 7.5.2 | Any | Any | TransporterFacade useless usage of dynamic memory |
| 81304 | 2016-05-04 8:41 | 2016-06-13 13:02 | MySQL Cluster: Cluster (NDB) storage engine | Closed (3109 days) | S3 | 7.5.2 | Any | Any | ndbcluster ndb_mutex_t wrapper |
| 81868 | 2016-06-15 17:06 | 2016-06-17 13:00 | MySQL Server: Tests | Closed (3092 days) | S3 | 5.7.13 | Any | Any | pfs_instr-oom unit test fails on MySQL Server 5.7.13 |
| 85394 | 2017-03-10 1:59 | 2017-03-10 17:56 | MySQL Server: InnoDB storage engine | Verified (2826 days) | S3 | 5.7.17 | Any | Any | Some confusing code in function row_vers_build_for_semi_consistent_read |
| 87827 | 2017-09-21 14:09 | 2023-11-02 6:39 | MySQL Server: InnoDB storage engine | Closed (2511 days) | S5 | 8.0.3 | Any | Any | Performance regression in "create table" speed and scalability in 8.0.3 |
| 89421 | 2018-01-25 16:42 | 2018-06-20 11:11 | MySQL Server: Replication | Closed (2359 days) | S3 | 5.7 | Any | Any | Missing mutex_unlock in Slave_reporting_capability::va_report |
| 91509 | 2018-06-30 5:50 | 2018-07-03 9:51 | MySQL Server: Documentation | Closed (2346 days) | S3 | 5.5.60 | Any | Any | gethostbyaddr_r() and gethostbyname_r() are no longer used |
| 91671 | 2018-07-17 2:08 | 2018-11-27 12:05 | MySQL Server: Group Replication | Closed (2199 days) | S3 | 5.7.22 | Any | Any | stop slave sql_thread for channel 'group_replication_applier' could not return |
| 91759 | 2018-07-23 6:43 | 2018-07-26 11:20 | MySQL Server: InnoDB storage engine | Closed (2323 days) | S5 | 5.7 | CentOS | ARM | Simplified away ReadView::complete()ï…‚ |
| 94610 | 2019-03-08 19:09 | 2020-08-05 0:00 | MySQL Server: DDL | Verified (1582 days) | S5 | 5.6.41 | CentOS (7.5) | x86 | Server stalls because ALTER TABLE on partitioned table holds dict mutex |
| 97352 | 2019-10-24 6:18 | 2019-12-13 19:34 | MySQL Server: InnoDB storage engine | Closed (1818 days) | S1 | 8.0.17 | Any | Any | MySQL hangs with DROP UNDO TABLESPACE and ALTER INSTANCE ROTATE MASTER KEY |
| 98546 | 2020-02-11 6:38 | 2020-02-12 15:20 | MySQL Server: InnoDB storage engine | Verified (1757 days) | S5 | 8, 5.7 | Any | Any | Transient indexes statistics are updated in foreground causing performance issue |
| 99094 | 2020-03-27 4:52 | 2020-03-27 10:38 | MySQL Server: Information schema | Verified (1713 days) | S1 | 8.0, 8.0.19 | Any | Any | coredump when install information schema plugin |
| 99638 | 2020-05-20 0:53 | 2020-12-04 12:54 | MySQL Server: InnoDB storage engine | Closed (1462 days) | S5 | 8.0.18 | Any | Any | xa transaction with low performance |
| 100132 | 2020-07-07 5:13 | 2020-10-20 6:55 | MySQL Server: InnoDB storage engine | Closed (1534 days) | S5 | 8.0.20 | Any | ARM | Using optimal memory-barrier (in form of acquire/release) for event-mutex |
| 101200 | 2020-10-16 3:25 | 2020-10-17 1:19 | MySQL Server: InnoDB storage engine | Verified (1510 days) | S5 | 8.0 | Any | Any | All commits are unnecessarily blocked for more than 1ms at binlog rotate |
| 102289 | 2021-01-19 6:06 | 2021-01-20 13:32 | MySQL Server: InnoDB storage engine | Verified (1414 days) | S5 | 5.7, 8.0 | Any | Any | buf_flush_or_remove_pages causes large tps fluctuation with write-heavy workload |
| 103646 | 2021-05-11 6:25 | 2021-05-24 8:03 | MySQL Server: InnoDB Plugin storage engine | Verified (1290 days) | S5 | 8.0 | Any | Any | This judgment(trx->no < m_low_limit_no) in ReadView::prepare is not necessary |
| 104639 | 2021-08-17 7:16 | 2021-08-18 12:33 | MySQL Server: InnoDB storage engine | Verified (1204 days) | S5 | 8.0 | Any | Any | Simplify the purge_sys->read_view creation to reduce mutex contention |
| 116795 | 2024-11-27 5:02 | 2024-11-27 11:07 | MySQL Server | Closed (7 days) | S3 | 8.0.32 | Any | Any | get_oldest_view cost too much and block other oprator |
| 444 | 2003-05-17 13:04 | 2003-08-29 6:32 | MySQL Server: MyISAM storage engine | Closed (7768 days) | S1 | 4.1.1 | Linux (Linux) | Any | MySQL-4.1 fails to run on a production server : 'opening table' table status |
| 2154 | 2003-12-18 6:16 | 2003-12-28 5:16 | MySQL Server | Closed (7647 days) | S3 | 4.1.2 and maybe 4.0.17 | Linux (Linux) | Any | mysqld forgets to release mutex when dying when wrong language file |
| 2481 | 2004-01-22 6:38 | 2004-01-22 6:38 | MySQL Server | Closed (7622 days) | S3 | 4.0.17 | Any (all) | Any | mysqld crash if started with lower-case-table-names=0 and filesystem case-insen |
| 3643 | 2004-05-04 1:48 | 2004-05-05 0:13 | MySQL Server | Closed (7518 days) | S1 | 4.1.2 latest bktree | Linux (Linux) | Any | MySQL could crash when a TABLE is altered and used at the same time |
| 4810 | 2004-07-29 17:41 | 2004-07-31 22:39 | MySQL Server | Closed (7431 days) | S2 | 3.23 | Any | deadlock with KILL when the victim was in a wait state | |
| 4827 | 2004-07-30 14:44 | 2004-07-31 22:39 | MySQL Server: Replication | Closed (7431 days) | S3 | 4.0 | Any (all) | Any | KILL while START SLAVE may lead to replication slave crash |
| 4844 | 2004-07-31 23:16 | 2004-08-02 18:03 | MySQL Server | Closed (7429 days) | S1 | 4.1.3 | FreeBSD (freebsd) | Any | mysqld 4.1.3 with linuxthreads@freebsd crash after load privilege tables |
| 6817 | 2004-11-24 23:58 | 2004-11-25 22:45 | MySQL Server | Closed (7314 days) | S1 | 4.1.7 | Linux (Linux) | Any | mysqld crashes after innodb buffer pool fills up |
| 9401 | 2005-03-25 9:04 | 2005-04-07 2:05 | MySQL Server | Closed (7181 days) | S3 | 4.1 | Linux (linux) | Any | type_timestamp segfaults mysqld |
| 10224 | 2005-04-27 23:55 | 2005-06-03 23:34 | MySQL Server: MyISAM storage engine | Closed (7124 days) | S1 | 4.0.25 forward | Any | ANALYZE TABLE crashing with simultaneous CREATE ... SELECT statement. | |
| 10957 | 2005-05-30 11:38 | 2005-08-24 17:34 | Instance Manager | Closed (7042 days) | S3 | 5.0.x | Linux (Suse Linux) | Any | stop instance, issued after flush instances causes IM to crash |
| 11796 | 2005-07-07 13:42 | 2005-11-20 4:36 | MySQL Server | Closed (6954 days) | S1 | 4.1.12/BK source | Windows (Windows XP, Windows 2000) | Any | Access Violation in when stopping MySQL Server while MySQLAdministrator running |
| 14809 | 2005-11-10 0:22 | 2005-12-17 0:03 | MySQL Server: BDB | Closed (6927 days) | S3 | 5.1 | Any (All) | Any | Don't set DB_NOOVERWRITE when using hidden primary key |
| 17404 | 2006-02-14 23:53 | 2006-05-23 13:06 | MySQL Server: Stored Routines | Closed (6770 days) | S3 | 5.1.7-beta-debug | Linux (SUSE 10.0) | Any | Events: crash if frequent enable/disable |
| 18116 | 2006-03-09 20:49 | 2006-04-06 0:17 | MySQL Server: Replication | Closed (6817 days) | S2 | 5.0.18 | Linux (linux) | Any | MySQL 5.0 deadlocks while writing binary log |
| 21113 | 2006-07-18 12:48 | 2011-02-16 23:43 | MySQL Server: InnoDB storage engine | Closed (5281 days) | S3 | 5.0.19 | Any (All) | Any | Duplicate printout in SHOW INNODB STATUS |
| 22082 | 2006-09-07 14:04 | 2016-03-17 23:13 | MySQL Server: Replication | Closed (5740 days) | S3 | Tried on 5.0.25, 5.0.51, 5.0.67 | Any | Any | Slave hangs(holds mutex) on "disk full" |
| 24148 | 2006-11-09 18:46 | 2007-01-31 19:31 | MySQL Server | Closed (6517 days) | S3 | 5.0.27 | Linux (Fedora Core 5) | Any | regression tests hang with SSL enabled |
| 25883 | 2007-01-26 22:14 | 2007-02-03 14:01 | MySQL Server: General | Closed (6514 days) | S1 | 5.1.14-beta-log | Linux (Ubuntu Linux/Sparc ) | Any | Pthread failed assertion |
| 27177 | 2007-03-15 15:14 | 2007-07-03 15:05 | MySQL Server: Documentation | Closed (6364 days) | S3 | All Versions | Any | Any | SHOW PROCESSLIST Syntax - add descriptions for state |
| 27622 | 2007-04-03 18:44 | 2007-06-19 13:16 | MySQL Cluster: Replication | Closed (6378 days) | S3 | 5.1 | Any | Any | mysqld shutdown, util thread continues, while binlog thread exits |
| 27971 | 2007-04-20 3:43 | 2008-01-04 18:06 | MySQL Server: InnoDB storage engine | Closed (6179 days) | S1 | 5.0.37,5.0.45 | FreeBSD (FreeBSD 6.2-RELEASE) | Any | mysqld stop running after 'a long semaphore wait' appear |
| 29968 | 2007-07-23 7:22 | 2007-09-06 12:18 | MySQL Cluster: Replication | Closed (6299 days) | S2 | 5.1.21 | Linux (valgrind) | Any | rpl_ndb_circular.test and rpl_ndb_log.test fail |
| 30992 | 2007-09-13 7:55 | 2007-10-24 19:31 | MySQL Server: C API (client library) | Closed (6251 days) | S3 | 5.0 | Any | Any | Wrong implementation of pthread_mutex_trylock() |
| 31868 | 2007-10-26 6:27 | 2008-01-14 20:29 | MySQL Server: Embedded Library ( libmysqld ) | Closed (6169 days) | S3 | 5.1 | Windows | Any | mysql_server_init crash when language path is not correctly set |
| 32676 | 2007-11-23 18:20 | 2008-01-11 16:09 | MySQL Server: Locking | Closed (6172 days) | S1 | 5.0.50, 5.1.23, 6.0.3 | Any | Any | insert delayed crash with wrong column and function specified .. |
| 34634 | 2008-02-18 10:11 | 2008-03-05 8:18 | MySQL Server: Maria storage engine | Closed (6118 days) | S3 | Any | Any | Concurrent pagecache_delete() and eviction of the same page cause crash | |
| 34818 | 2008-02-25 20:36 | 2011-02-16 23:43 | MySQL Server | Closed (5501 days) | S3 | 6.0 | Any | Any | --default-table-type option should be removed |
| 35544 | 2008-03-25 9:19 | 2013-04-14 20:45 | MySQL Server: Storage Engine API | Verified (5081 days) | S3 | 5.1+ | Any | Any | ABI compatibility of pluggable storage engines |
| 37936 | 2008-07-07 16:07 | 2011-02-16 23:43 | MySQL Server: Optimizer | Closed (5788 days) | S1 | 5.1.28-bzr, 6.0, 6.0.7-bzr | Any | Any | ASSERT_COLUMN_MARKED_FOR_WRITE in Field_datetime::store , Field_varstring::store |
| 38108 | 2008-07-14 16:23 | 2010-01-04 14:02 | MySQL Server: Backup | Closed (5949 days) | S3 | 6.0.6 | Any | Any | Race condition in MyISAM backup driver |
| 38240 | 2008-07-19 15:49 | 2011-02-16 23:43 | MySQL Server: Replication | Closed (5376 days) | S1 | 5.0.66a-debug, 5.0.89, 5.1.26-debug, 5.1.30 | Any | Any | crash in rotate_relay_log during 'flush logs' and 'kill' or shutdown of server |
| 38594 | 2008-08-06 8:36 | 2009-01-08 10:31 | MySQL Server: Falcon storage engine | Closed (5809 days) | S3 | 6.0.6 | Solaris (Solaris 10 on AMD Opteron) | Any | Falcon crash in MemMgr and Sync object during exit of mysqld |
| 38968 | 2008-08-22 17:28 | 2011-02-16 23:43 | MySQL Server | Closed (5501 days) | S5 | 5.1-bzr, 5.0-bzr, 6.0-bzr | Any | Any | Unused mutex LOCK_bytes_sent, LOCK_bytes_received |
| 38996 | 2008-08-25 6:39 | 2011-02-16 23:43 | MySQL Server: InnoDB storage engine | Closed (5283 days) | S3 | 5.1 | Any | Any | Race condition in ANALYZE TABLE |
| 39158 | 2008-09-01 14:39 | 2008-10-05 16:34 | MySQL Cluster: Cluster (NDB) storage engine | Closed (5904 days) | S2 | 6.2 | Any | Any | MgmtSrvr::allocNodeId leaves mutex locked after "Ambiguity for node if %d" error |
| 39180 | 2008-09-02 9:59 | 2008-11-14 14:13 | MySQL Cluster: Cluster (NDB) storage engine | Closed (5864 days) | S3 | 6.2 | Any | Any | Segfault in Logger::Log causes ndbd to hang indefinately - part2 |
| 40337 | 2008-10-27 3:05 | 2011-02-16 23:43 | MySQL Server: Replication | Closed (5501 days) | S5 | 5.0, 5.1, 6.0 | Any | Any | Fsyncing master and relay log to disk after every event is too slow |
| 41301 | 2008-12-08 13:34 | 2011-02-16 23:43 | MySQL Cluster: Cluster (NDB) storage engine | Closed (5830 days) | S3 | Solaris | Any | Collection of optimization for mt-NDB | |
| 42279 | 2009-01-22 20:09 | 2011-02-16 23:43 | MySQL Server: InnoDB storage engine | Closed (5282 days) | S2 | 5.0, 5.1, 4.1 | Any | Any | Race condition in btr_search_drop_page_hash_when_freed() |
| 42930 | 2009-02-17 11:44 | 2012-10-05 16:42 | MySQL Server: Locking | Closed (4443 days) | S5 | 5.0, 5.1, 6.0 | Any | Any | 'show global status' causes lock contention on LOCK_thread_count |
| 43726 | 2009-03-18 12:07 | 2013-03-03 20:45 | MySQL Server: MyISAM storage engine | Verified (5740 days) | S5 | 5.1.32/6.0 | Any | Any | THR_LOCK_myisam is locked while flushing unwritten key blocks to disk |
| 43733 | 2009-03-18 16:11 | 2011-02-16 23:43 | MySQL Server: Embedded Library ( libmysqld ) | Closed (5465 days) | S1 | 5.1.33-debug, 5.1-bugteam | Linux (suse-linux-gnu on i686) | Any | Select on processlist let the embedded server crash (concurrent_innodb_safelog) |
| 45058 | 2009-05-25 3:52 | 2016-08-29 8:56 | MySQL Server | Closed (5252 days) | S3 | 5.0, 5.1 | Any | Any | init_available_charsets uses double checked locking |
| 45160 | 2009-05-28 14:28 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5636 days) | S2 | 5.0.22 | Linux ( 2.6.18-53.el5) | Any | Mysql crashes after getting hanged with following error in error log |
| 45892 | 2009-07-02 0:24 | 2013-03-12 22:52 | MySQL Server: InnoDB storage engine | Closed (4285 days) | S5 | 5.0,5.1 | Any | Any | Innodb calls fsync for writes with innodb_flush_method=O_DIRECT |
| 46461 | 2009-07-29 20:08 | 2011-02-16 23:44 | MySQL Server: Archive storage engine | Closed (5552 days) | S5 | azalea-bzr | Linux | Any | Running test case archive_aio_posix with valgrind takes several minutes |
| 46833 | 2009-08-20 13:20 | 2022-12-04 20:45 | MySQL Server: Parser | Verified (5567 days) | S3 | 5.4 | Any | Any | SHOW ENGINE ALL exist in code but are not documented |
| 47187 | 2009-09-08 7:45 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5251 days) | S1 | 5.1 | Linux (Ubuntu amd64) | Any | Inserting 4 million rows not possible InnoDB |
| 48250 | 2009-10-22 23:51 | 2011-02-16 23:44 | Tools: MTR / mysql-test-run | Closed (5284 days) | S3 | Any | Any | mysqtest_embedded can lock destroyed mutex | |
| 48724 | 2009-11-12 12:33 | 2011-02-16 23:44 | MySQL Server: DML | Closed (5386 days) | S2 | 6.0.14-bzr, 6.0-codebase-bugfixing | Any | Any | Deadlock between INSERT DELAYED and FLUSH TABLES |
| 50998 | 2010-02-08 15:00 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5386 days) | S2 | mysql-next-4284 | Any | Any | Deadlock in MDL code during test rqg_mdl_stability |
| 51263 | 2010-02-18 1:10 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5250 days) | S2 | mysql-next-4284,5.5-m3 | Any | Any | Deadlock between transactional SELECT and ALTER TABLE ... REBUILD PARTITION |
| 51391 | 2010-02-22 15:06 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5324 days) | S2 | 5.5.3-m3 | Any | Any | Deadlock involving events during rqg_info_schema test |
| 51557 | 2010-02-26 15:41 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5263 days) | S2 | 5.0.84 | Any | Any | LOCK_open and kernel_mutex are not happy together |
| 52606 | 2010-04-05 21:50 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5264 days) | S1 | mysql-5.5.4-m3 | Linux | Any | crash recovery fails, compr,UNIV_DEBUG: sync0sync.ic:207 !mutex_own(mutex) |
| 52633 | 2010-04-06 20:49 | 2011-06-30 22:15 | MySQL Server: Documentation | Closed (4906 days) | S2 | 5.1.45, 5.1 bzr | Linux (CentOS 5) | Any | When building with -DNO_ALARM on Linux, wait_timeout is effective 10x longer |
| 53155 | 2010-04-26 10:58 | 2011-02-16 23:44 | MySQL Cluster: Cluster (NDB) storage engine | Closed (5156 days) | S1 | mysql-5.1 | FreeBSD (8.0-STABLE amd64) | Any | Crash in safe_mutex_init(), using uninitialized mutex attr |
| 53204 | 2010-04-27 14:17 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5216 days) | S3 | 5.1+ | Windows | Any | os_fastmutex_trylock is implemented incorrectly on Windows |
| 53657 | 2010-05-14 16:32 | 2011-02-16 23:44 | MySQL Server: Replication | Closed (5165 days) | S2 | 5.1.47-debug | Any | Any | Slave crashed with error 22 when trying to lock mutex at mf_iocache.c, line 1722 |
| 53947 | 2010-05-24 18:11 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5271 days) | S1 | 5.5, 5.1/plugin | Windows | Any | InnoDB: Assertion failure in thread 4224 in file .\sync\sync0sync.c line 324 |
| 54200 | 2010-06-03 12:13 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5277 days) | S3 | 5.5.4 | Any | Any | Deadlock between FLUSH TABLES WITH READ LOCK and DML in 5.5.4 |
| 55027 | 2010-07-06 13:32 | 2011-02-16 23:44 | MySQL Server: InnoDB storage engine | Closed (5153 days) | S2 | 5.1 | Any | Any | assertion: mutex_own(&dict_sys->mutex) in dict_table_get_on_id() |
| 55415 | 2010-07-20 19:46 | 2011-02-16 23:44 | MySQL Server: Replication | Closed (5175 days) | S3 | trunk | Any | Any | wait_for_update_bin_log enters a condition but does not leave |
| 56324 | 2010-08-27 11:06 | 2011-02-16 23:44 | MySQL Server: Performance Schema | Closed (5144 days) | S3 | next-mr, next-mr-bugfixing | Any | Any | Race Condition while shutting down MySQL: "PSI_server" |
| 56405 | 2010-08-31 13:26 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5128 days) | S1 | 5.5 | Linux (Ubuntu 64 bit) | Any | Deadlock in the MDL deadlock detector |
| 56676 | 2010-09-09 8:52 | 2013-01-10 11:12 | MySQL Server: Replication | Closed (4346 days) | S3 | 5.1.50 | Any | Any | 'show slave status' ,'show global status' hang when 'stop slave' takes too long |
| 56715 | 2010-09-10 14:32 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5128 days) | S3 | 5.5.6-m3 | Any | Any | Concurrent transactions + FLUSH result in sporadical unwarranted deadlock errors |
| 58136 | 2010-11-11 13:05 | 2011-02-16 23:44 | MySQL Server: Locking | Closed (5076 days) | S1 | MySQL 5.5 | Any | Any | Crash in vio_close at concurrent disconnect and KILL |
| 58766 | 2010-12-06 22:48 | 2014-01-29 0:51 | MySQL Server | Closed (3962 days) | S2 | 5.5.8 | Any (Linux) | Any | Server binary was compiled without fast-mutexes |
| 59309 | 2011-01-05 13:56 | 2011-02-16 23:44 | MySQL Server: Tests | Closed (5057 days) | S3 | 5.6 | Any | Any | Cleanup MDL - THD interface |
| 59460 | 2011-01-13 0:37 | 2011-11-30 18:57 | MySQL Server: Documentation | Closed (4753 days) | S3 | Any | Any | UNIV_DEBUG | |
| 59682 | 2011-01-23 21:49 | 2012-02-13 3:39 | MySQL Server: InnoDB storage engine | Closed (4678 days) | S3 | 5.1-plugin+ | Any | Any | SIGSEGV while running ibtests + SHOW INNODB STATUS with UNIV_SYNC_DEBUG enabled |
| 59683 | 2011-01-23 21:58 | 2012-02-13 3:40 | MySQL Server: InnoDB storage engine | Closed (4678 days) | S3 | 5.5+ | Any | Any | InnoDB latch deadlock detector/violation debug code is very slow |
| 59733 | 2011-01-26 7:32 | 2011-10-07 20:59 | MySQL Server: InnoDB storage engine | Closed (4807 days) | S2 | 3.23.53,4.0,4.1,5.0,5.1,5.5 | Any | Any | Possible deadlock when buffered changes are to be discarded in buf_page_create() |
| 59888 | 2011-02-02 10:28 | 2011-04-06 1:39 | MySQL Server: Locking | Closed (4991 days) | S1 | 5.1.56 | Any | Any | debug assertion/crash when attempt to create spatial index on char > 31 bytes |
| 60114 | 2011-02-11 12:39 | 2012-10-15 14:05 | MySQL Server: Locking | Closed (4433 days) | S3 | mysql-trunk | Any | Any | INSERT DELAYED can call ha_release_auto_increment without having a lock. |
| 60180 | 2011-02-19 19:31 | 2011-03-21 19:11 | MySQL Server: General | Closed (5007 days) | S5 | mysql-5.1, mysql-6.0.11-alpha, mysql-trunk | Any | Any | Unused mutex THR_LOCK_isam |
| 60225 | 2011-02-23 17:52 | 2013-06-25 13:11 | MySQL Server: InnoDB storage engine | Closed (4180 days) | S3 | mysql-5.0.15, 5.5.11, mysql-6.0.11-alpha | Any | Any | Unused mutex commit_threads_m |
| 60323 | 2011-03-03 20:40 | 2011-03-04 12:02 | MySQL Server: General | Closed (5024 days) | S5 | 5.1.55 | Any | Any | Unused mutex Lock_Acl |
| 62055 | 2011-08-02 10:24 | 2011-12-19 1:29 | MySQL Server: Replication | Closed (4734 days) | S3 | 5.1.59, 5.5.15 | Any | Any | Race condition in check_temp_dir() from multiple mysqld instances |
| 62535 | 2011-09-25 14:46 | 2017-05-14 20:45 | MySQL Server: InnoDB storage engine | Verified (4753 days) | S3 | 5.5, 5.1, etc | Linux | Any | os_event_create() has inefficient memory allocation |
| 63815 | 2011-12-21 2:51 | 2012-10-18 22:06 | MySQL Server: InnoDB Plugin storage engine | Closed (4430 days) | S1 | Any | Any | Reorganization May Make a Page Incompressible | |
| 64340 | 2012-02-15 14:07 | 2013-06-14 15:35 | MySQL Server: InnoDB Plugin storage engine | Verified (4191 days) | S5 | 5.1.52, 5.1.61 | Any | Any | race on no_flush event during buf_flush_free_margin |
| 64715 | 2012-03-21 4:24 | 2012-03-21 20:00 | MySQL Server: InnoDB Plugin storage engine | Verified (4641 days) | S5 | 5.1.52, 5.1.63 | Any | Any | buf_LRU_free_block() calls page_zip_calc_checksum() unnecessarily. |
| 66363 | 2012-08-13 21:33 | 2013-03-13 22:32 | MySQL Server: Replication | Verified (4284 days) | S2 | 5.1.58, 5.1.67 | Linux (rhel 6.1) | Any | Large transaction writing rbr with sync_binlog hangs entire server on fsync |
| 68022 | 2013-01-03 18:00 | 2013-07-07 11:28 | MySQL Server: InnoDB Plugin storage engine | Closed (4168 days) | S1 | 5.1,5.5 | Any | Any | DROP TABLE slow when it decompress compressed-only pages |
| 68077 | 2013-01-14 3:37 | 2013-04-03 11:33 | MySQL Server: InnoDB storage engine | Closed (4263 days) | S5 | 5.6 | Any | Any | Mixing 4K/16K blocks increases 8K free blocks and holds buf pool mutex longer |
| 68207 | 2013-01-28 17:01 | 2013-01-31 13:41 | MySQL Server: InnoDB storage engine | Verified (4325 days) | S3 | 5.6 | Any | Any | too much contention on "os_mutex" |
| 68487 | 2013-02-25 16:40 | 2016-08-04 0:39 | MySQL Server: Locking | Closed (4081 days) | S3 | 5.6.10 | Any | Any | MDL hash can still be concurrency bottleneck |
| 68506 | 2013-02-27 7:23 | 2015-05-08 15:06 | MySQL Server: Replication | Closed (4220 days) | S2 | 5.6.10 | Any | Any | Got SIGSEGV on MTS recovery + SQL thread error |
| 68917 | 2013-04-10 12:54 | 2013-04-10 19:32 | MySQL Server: Documentation | Closed (4256 days) | S3 | 5.6.10 | Any | Any | document of innodb_sync_array_size seems incorrect |
| 69270 | 2013-05-17 15:56 | 2018-04-03 16:17 | MySQL Server: InnoDB storage engine | Closed (2437 days) | S3 | 5.6.11 | Any | Any | Needn't execute srv_wake_master_thread while executing drop/truncate table |
| 69477 | 2013-06-14 19:06 | 2014-09-19 17:06 | MySQL Server: InnoDB storage engine | Closed (3845 days) | S2 | All | Any | Any | InnoDB: Use of large externally-stored fields makes crash recovery lose data |
| 70172 | 2013-08-28 4:37 | 2013-10-29 11:50 | MySQL Server: InnoDB storage engine | Closed (4054 days) | S5 | 5.6.13 | Any | Any | trx_create() and trx_free() are called at every memcached get request |
| 70414 | 2013-09-25 9:31 | 2013-10-21 16:06 | MySQL Server: Replication | Closed (4062 days) | S3 | 5.6,5.7 | Any | Any | redundant code in ReplSemiSyncMaster::updateSyncHeader |
| 71289 | 2014-01-04 15:21 | 2015-12-10 22:34 | MySQL Server: Documentation | Closed (3282 days) | S3 | 5.6.15 | Any | Any | PERFORMANCE_SCHEMA.THREADS table misses port in PROCESSLIST_HOST column |
| 72286 | 2014-04-09 8:49 | 2014-04-10 15:51 | MySQL Server | Verified (3892 days) | S3 | 5.6+ | Any | Any | server-system-variables.html and "Dynamic variable" setting is incomplete |
| 72701 | 2014-05-21 0:45 | 2014-12-03 15:16 | MySQL Server: Command-line Clients | Closed (3689 days) | S5 | 5.6, * | Linux | Any | mysqlbinlog uses localtime() to print events, causes kernel mutex contention |
| 72754 | 2014-05-27 2:17 | 2014-10-24 14:16 | MySQL Server: InnoDB storage engine | Closed (3708 days) | S3 | 5.6 | Any | Any | Set thread priority in InnoDB mutex spinloop |
| 72805 | 2014-05-30 6:17 | 2015-04-29 0:14 | MySQL Server: Compiling | Closed (3507 days) | S3 | 5.7.7 | Any | Any | mutex_delay() creating excess memory traffic, GCC mem barrier needed |
| 72809 | 2014-05-30 7:20 | 2014-12-10 13:03 | MySQL Server: InnoDB storage engine | Closed (3732 days) | S2 | 5.6, 5.7 | Any | Any | InnoDB Linux native aio setup missing barrier after setup |
| 73109 | 2014-06-25 8:38 | 2014-10-23 12:43 | MySQL Server: InnoDB storage engine | Closed (3732 days) | S3 | 5.7.4 | Any | Any | unnecessary redo log writing occasionally in function log_write_up_to |
| 74011 | 2014-09-22 12:27 | 2014-10-22 21:55 | MySQL Cluster: Cluster (NDB) storage engine | Closed (3701 days) | S1 | 7.3.6 | Any | Any | Race condition between ::performReceive and ::update_connections() |
| 74832 | 2014-11-13 5:54 | 2017-10-01 13:59 | MySQL Server: InnoDB storage engine | Closed (3256 days) | S3 | 5.7.7 | Any | Any | ut_delay missing compiler barrier, UT_RELAX_CPU isn't at all relaxing |
| 74849 | 2014-11-14 3:07 | 2014-11-21 15:10 | MySQL Server: Options | Closed (3666 days) | S3 | 5.7.5 | Any | Any | default_password_lifetime is volatile, doesn't need to be - protected by mutex |
| 75590 | 2015-01-22 22:39 | 2018-12-01 6:12 | MySQL Server: Locking | Verified (2212 days) | S3 | 5.6 | Any | Any | SHOW VARIABLES WHERE ... materializes all variables into bigass temptable |
| 75842 | 2015-02-10 15:06 | 2015-04-07 21:03 | MySQL Server: InnoDB storage engine | Closed (3572 days) | S3 | 5.7 | Any | Any | static SyncDebug syncDebug; |
| 77225 | 2015-06-02 13:08 | 2016-02-08 12:46 | MySQL Cluster: NDB API | Closed (3467 days) | S2 | 7.3.9 | Any | Any | Signals delivered to incorrect or garbled 'trp_client' -> Client crash or hangs |
| 79510 | 2015-12-03 16:41 | 2016-05-25 17:59 | MySQL Server: C API (client library) | Closed (3115 days) | S2 | 5.6 and 5.7 | Any | Any | mysql_real_connect is not thread safe |
| 80354 | 2016-02-12 14:26 | 2019-07-10 18:15 | MySQL Server: InnoDB storage engine | Closed (1974 days) | S5 | 5.6, 5.7 | Any | Any | Cache line contention on ut_rnd_ulint_counter |
| 83375 | 2016-10-13 16:26 | 2016-10-28 20:03 | MySQL Server: InnoDB storage engine | Closed (2959 days) | S3 | 5.7 | Linux | Any | Incorrect argument is passed by InnoDB to syscall(SYS_futex) |
| 83529 | 2016-10-25 13:15 | 2018-03-29 13:04 | MySQL Server: InnoDB storage engine | Closed (2442 days) | S3 | 8.0 | Any | ARM | InnoDB mutex bs: duplicate code block |
| 83708 | 2016-11-06 17:38 | 2020-03-18 17:21 | MySQL Server: DDL | Closed (1722 days) | S3 | 5.7 | Any | Any | uint expression is used for the value that is passed as my_off_t for DDL log |
| 86607 | 2017-06-07 9:38 | 2017-11-07 17:35 | MySQL Server: InnoDB storage engine | Closed (2584 days) | S3 | MySQL 5.6, 5.7, 5.6.36, 5.7.18 | Red Hat | Any | InnoDB crashed when master thread evict dict_table_t object |
| 87068 | 2017-07-14 10:08 | 2017-08-23 0:00 | MySQL Server: Compiling | Closed (2660 days) | S3 | 8.0.3 | Any | Any | always enable safe_mutex in debug builds, make memcached ubsan clean |
| 87933 | 2017-10-02 4:06 | 2018-12-12 21:04 | MySQL Server: InnoDB storage engine | Verified (2184 days) | S2 | 5.7.19 | CentOS | ARM | Scalibility issue on Arm platform with the current UT_RELAX_CPU () code. |
| 88399 | 2017-11-08 8:39 | 2018-02-18 18:29 | MySQL Server: InnoDB storage engine | Verified (2541 days) | S5 | 5.7,8.0 | Linux | ARM | Using CAS for trylock in place of TAS for EventMutex (arm64) |
| 88422 | 2017-11-09 12:20 | 2024-11-28 16:41 | MySQL Server: InnoDB storage engine | Verified (2577 days) | S2 | 5.7.19 | Any | Any | MySQL 5.7 innodb purge thread get oldest readview could block other transaction |
| 88572 | 2017-11-21 2:27 | 2017-11-24 5:29 | MySQL Server | Closed (2568 days) | S3 | Current | Windows (7) | Any | It seems Fetch is not a thread safe on windows 7 |
| 89637 | 2018-02-13 1:38 | 2024-06-18 17:45 | MySQL Server: Logging | Closed (2242 days) | S3 | 8.0.4 | Any | Any | Contribution by Facebook: Slow Query Log Changes |
| 92040 | 2018-08-16 10:45 | 2018-08-29 18:15 | MySQL Server: Compiling | Closed (2289 days) | S3 | 8.0.14 | Any | Any | TSAN: Data race in safe_mutex implementation |
| 95491 | 2019-05-23 11:23 | 2019-06-05 11:48 | MySQL Server: InnoDB storage engine | Verified (2012 days) | S5 | ALL | Any | Any | The unused wake up in simulator AIO of function reserve_slot |
| 96874 | 2019-09-14 10:38 | 2019-09-25 14:06 | MySQL Server: InnoDB storage engine | Verified (1897 days) | S5 | Any | Any | The write_notifier_mutex in log_sys is useless | |
| 99021 | 2020-03-22 9:22 | 2020-07-07 12:25 | MySQL Server: InnoDB storage engine | Closed (1717 days) | S3 | 8.0.19 | Any | Any | BUF_REMOVE_ALL_NO_WRITE is not needed for undo tablespace |
| 100383 | 2020-07-30 15:34 | 2020-09-21 12:55 | MySQL Server: InnoDB storage engine | Verified (1555 days) | S5 | 8.0 | Any | Any | Improve InnoDB buffer pool initialization |
| 102306 | 2021-01-20 6:36 | 2021-01-20 6:54 | MySQL Server: DDL | Verified (1414 days) | S1 | 8.0 | Any | Any | Improper locking in alter_part_normal::try_commit |
| 103391 | 2021-04-21 4:24 | 2021-05-14 13:03 | MySQL Server: InnoDB storage engine | Closed (1300 days) | S3 | 8.0.24 | Any | Any | buf_get_LRU_mutex can be optimized for flushing from FLUSH_LIST |
| 104566 | 2021-08-08 10:04 | 2021-11-07 18:49 | MySQL Server: Replication | Closed (1123 days) | S1 | 8.0.25 | Any | Any | show slave hosts maybe crash |
| 106953 | 2022-04-08 6:42 | 2022-06-14 8:27 | MySQL Server: Locking | Verified (904 days) | S3 | 5.7 | Linux | Any | LOCK_grant and LOCK_open can deadlock on a gtid slave |
| 110402 | 2023-03-16 21:04 | 2024-07-18 23:13 | MySQL Server: InnoDB storage engine | Closed (139 days) | S5 | 8.0 | Any | Any | The parallel tablespace scan in 8.0 doesn't work as expected |
| 110578 | 2023-03-31 12:43 | 2024-03-19 10:58 | MySQL Server: InnoDB storage engine | Verified (614 days) | S5 | 8.0 | Any | Any | optimize for prefetch trx sys page |
| 116791 | 2024-11-27 3:39 | 2024-11-27 9:04 | MySQL Server: Partitions | Verified (7 days) | S3 | 8.0.40 | Any | Any | Contribution by Tencent: add partition rollback crash |
| Showing all 314 (Edit, Save, CSV, Feed) |
