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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 73829 | 2014-09-08 5:06 | 2015-02-26 6:13 | MySQL Server: Locking | Verified (2089 days) | S1 | 5.6, 5.6.21, 5.6.23, 5.7.6 | Any | Any | Multi-threaded mysqld lockup issue with ~50-55 second timeout |
| 58787 | 2010-12-07 15:18 | 2011-02-16 23:44 | MySQL Server: Locking | Verified (3563 days) | S1 | Any | Any | InnoDB enforcing order of DDL and DML in binary log? | |
| 67924 | 2012-12-17 15:01 | 2012-12-17 18:40 | MySQL Server: Locking | Verified (2833 days) | S2 | 5.1.59, 5.5.24 | Linux | Any | Row lock isn't released after evaluating WHERE condition in READ COMMITTED |
| 67452 | 2012-11-02 6:18 | 2014-01-08 8:45 | MySQL Server: Locking | Verified (2446 days) | S2 | 5.5.24+ | Any (Ubuntu and Windows XP) | Any | Setting a variable from a select acquires a lock when using read uncommitted |
| 82204 | 2016-07-12 19:46 | 2016-07-13 7:12 | MySQL Server: Locking | Verified (1529 days) | S2 | 5.5.50, 5.6.31, 5.7.13 | Any | Any | Metadata lock does not protect transaction if LOCK TABLE and ALTER involved |
| 71055 | 2013-12-03 5:18 | 2013-12-09 3:00 | MySQL Server: Locking | Verified (2476 days) | S2 | 5.5.12, 5.5.35, 5.6.16 | Microsoft Windows | Any | Using IF EXISTS(SELECT * ...) acquires a lock when using read uncommitted |
| 71060 | 2013-12-03 14:08 | 2013-12-05 13:31 | MySQL Server: Locking | Verified (2482 days) | S2 | 5.6.15, 5.6.16, 5.5.35, 5.1.74 | Any | Any | INSERT-SELECT statement takes shared locks in trigger and causes deadlock |
| 60951 | 2011-04-22 11:21 | 2011-08-05 18:27 | MySQL Server: Locking | Verified (3333 days) | S2 | 5.1.55-community-log, 5.1.59, 5.6.3 | Any | Any | DELETE statement locks |
| 86790 | 2017-06-22 9:18 | 2017-06-22 10:34 | MySQL Server: Locking | Verified (1185 days) | S2 | 5.7.18 | Any | Any | FTWRL continues to freeze the server even if it times out ... |
| 59663 | 2011-01-21 17:05 | 2011-02-16 23:44 | MySQL Server: Locking | Verified (3526 days) | S2 | 5.1.54 | Microsoft Windows (7/64 - 64 bit server) | Any | Error 11 - can't unlock file when using external_locking |
| 71110 | 2013-12-08 16:31 | 2013-12-09 19:00 | MySQL Server: Locking | Verified (2476 days) | S2 | mysql-5.6.14 | Linux | Any | "create temporary table select * from table" does not produce consistent data |
| 56764 | 2010-09-14 7:42 | 2011-02-16 23:44 | MySQL Server: Locking | Verified (3656 days) | S2 | 5.0.91, 5.1.39, 5.1.50, 5.5.7 | Linux | Any | if clause causes unnecessary locking |
| 80436 | 2016-02-19 2:34 | 2020-02-17 0:31 | MySQL Server: Locking | Verified (1135 days) | S2 | 5.6 | Linux | Any | Failed !lock->recursive assert in sync0rw.cc |
| 71580 | 2014-02-04 9:02 | 2014-02-06 17:01 | MySQL Server: Locking | Verified (2417 days) | S2 | 5.6.16, 5.5.36 | Any | Any | FLUSH TABLES WITH READ LOCK hangs when many clients run SELECT FOR UPDATE twice |
| 73463 | 2014-08-04 11:37 | 2014-08-05 19:42 | MySQL Server: Locking | Verified (2237 days) | S2 | 5.5.36, 5.6.21 | Linux (Centos 5) | Any | Out of memory error when concurrently write locking tables with triggers |
| 81348 | 2016-05-08 16:52 | 2016-05-10 15:43 | MySQL Server: Locking | Verified (1593 days) | S3 | 5.7 | Any | Any | table_locks_waited not updated in MySQL 5.7 |
| 75590 | 2015-01-22 22:39 | 2018-12-01 6:12 | MySQL Server: Locking | Verified (675 days) | S3 | 5.6 | Any | Any | SHOW VARIABLES WHERE ... materializes all variables into bigass temptable |
| 74893 | 2014-11-17 7:23 | 2015-04-10 8:14 | MySQL Server: Locking | Verified (1989 days) | S3 | 5.7.7 | Any | Any | mdl m_unused_lock_objects shouldn't be volatile |
| 85191 | 2017-02-27 6:40 | 2017-02-28 12:30 | MySQL Server: Locking | Verified (1299 days) | S3 | 5.7, 5.7.17 | Any | Any | performance regression with HANDLER READ syntax |
| 83180 | 2016-09-28 7:14 | 2016-09-28 7:47 | MySQL Server: Locking | Verified (1452 days) | S3 | 5.6.29, 5.7.15 | Any | Any | Long running DDL statement could cause information_schema.tables to wait on MDL |
| 71215 | 2013-12-23 10:57 | 2013-12-23 12:52 | MySQL Server: Locking | Verified (2462 days) | S3 | 5.6.16-bzr | Any | Any | WITH CONSISTENT SNAPSHOT doesn't isolate from some concurrent ALTER TABLEs |
| 93572 | 2018-12-12 11:37 | 2019-01-22 13:27 | MySQL Server: Locking | Verified (606 days) | S3 | 5.7.18 | Any | Any | parallel workers+slave_preserve_commit_order+flushtables with read lock deadlock |
| 93934 | 2019-01-15 13:33 | 2019-01-15 13:42 | MySQL Server: Locking | Verified (613 days) | S3 | Any | Any | Contribution: THR_LOCK_open reduce usage | |
| 93936 | 2019-01-15 13:33 | 2019-02-15 8:45 | MySQL Server: Locking | Verified (613 days) | S3 | Any | Any | Contribution: my_winfile_f{open|close}: correct DBUG_ENTER to reflect funct ... | |
| 94566 | 2019-03-05 16:33 | 2019-03-05 19:18 | MySQL Server: Locking | Verified (564 days) | S3 | Any | Any | Contribution: LOCK INSTANCE FOR BACKUP status | |
| 95049 | 2019-04-18 7:52 | 2019-04-22 9:11 | MySQL Server: Locking | Verified (516 days) | S3 | 5.7.25, 8.0.15 | Mac OS X | x86 | Modified rows are not locked after rolling back to savepoint |
| 97885 | 2019-12-04 22:30 | 2020-03-02 6:20 | MySQL Server: Locking | Verified (289 days) | S3 | 8.0.18, 5.7.28 | Any | Any | Session state tracking does not take MDL locks into account |
| 99206 | 2020-04-08 8:08 | 2020-04-09 13:06 | MySQL Server: Locking | Verified (164 days) | S3 | 5.7.29 | Any | Any | lock_wait_timeout is taking twice time while adding new partition in table |
| 100864 | 2020-09-16 9:16 | 2020-09-16 9:48 | MySQL Server: Locking | Verified (3 days) | S3 | 8.0.21, 8.0.11 | Any | Any | FLUSH TABLES WITH READ LOCK blocking SHOW TABLE STATUS |
| 59999 | 2011-02-07 21:11 | 2011-02-16 23:44 | MySQL Server: Locking | Verified | S3 | 5.5, 5.6.2 | Any | Any | mysqlhotcopy returns error and crashes debug server |
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