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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 82204 | 2016-07-12 19:46 | 2016-07-13 7:12 | MySQL Server: Locking | Verified (1648 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 |
| 71214 | 2013-12-23 10:47 | 2013-12-23 12:48 | MySQL Server: Locking | Verified (2581 days) | S3 | 5.6.16 | Any | Any | WITH CONSISTENT SNAPSHOT doesn't isolate from concurrent RENAME TABLE |
| 71216 | 2013-12-23 11:22 | 2013-12-23 12:56 | MySQL Server: Locking | Verified (2581 days) | S3 | 5.6.16-bzr | Any | Any | WITH CONSISTENT SNAPSHOT doesn't isolate from concurrent DDL on stored programs |
| 71580 | 2014-02-04 9:02 | 2014-02-06 17:01 | MySQL Server: Locking | Verified (2536 days) | S2 | 5.6.16, 5.5.36 | Any | Any | FLUSH TABLES WITH READ LOCK hangs when many clients run SELECT FOR UPDATE twice |
| 73666 | 2014-08-21 9:09 | 2014-08-21 19:12 | MySQL Server: Locking | Verified (2340 days) | S3 | 5.5.37-bzr, 5.6.21-bzr, 5.7.5-bzr | Any | Any | DEADLOCK WHEN DDL UNDER LOCK TABLES WRITE, READ LOCAL + PREPARE. |
| 73803 | 2014-09-04 8:40 | 2019-01-09 14:14 | MySQL Server: Locking | Verified (739 days) | S3 | 5.6.20 | Any | Any | don't acquire global_sid_lock->rdlock if gtid is disabled |
| 73829 | 2014-09-08 5:06 | 2015-02-26 6:13 | MySQL Server: Locking | Verified (2208 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 |
| 74893 | 2014-11-17 7:23 | 2015-04-10 8:14 | MySQL Server: Locking | Verified (2108 days) | S3 | 5.7.7 | Any | Any | mdl m_unused_lock_objects shouldn't be volatile |
| 75590 | 2015-01-22 22:39 | 2018-12-01 6:12 | MySQL Server: Locking | Verified (794 days) | S3 | 5.6 | Any | Any | SHOW VARIABLES WHERE ... materializes all variables into bigass temptable |
| 77689 | 2015-07-11 14:27 | 2019-09-04 11:53 | MySQL Server: Locking | Verified (502 days) | S5 | 5.6,5.7 | Any | Any | mysql_execute_command SQLCOM_UNLOCK_TABLES redundant trans_check_state check? |
| 81348 | 2016-05-08 16:52 | 2016-05-10 15:43 | MySQL Server: Locking | Verified (1712 days) | S3 | 5.7 | Any | Any | table_locks_waited not updated in MySQL 5.7 |
| 71215 | 2013-12-23 10:57 | 2013-12-23 12:52 | MySQL Server: Locking | Verified (2581 days) | S3 | 5.6.16-bzr | Any | Any | WITH CONSISTENT SNAPSHOT doesn't isolate from some concurrent ALTER TABLEs |
| 83180 | 2016-09-28 7:14 | 2016-09-28 7:47 | MySQL Server: Locking | Verified (1571 days) | S3 | 5.6.29, 5.7.15 | Any | Any | Long running DDL statement could cause information_schema.tables to wait on MDL |
| 85191 | 2017-02-27 6:40 | 2017-02-28 12:30 | MySQL Server: Locking | Verified (1418 days) | S3 | 5.7, 5.7.17 | Any | Any | performance regression with HANDLER READ syntax |
| 86790 | 2017-06-22 9:18 | 2017-06-22 10:34 | MySQL Server: Locking | Verified (1304 days) | S2 | 5.7.18 | Any | Any | FTWRL continues to freeze the server even if it times out ... |
| 93572 | 2018-12-12 11:37 | 2019-01-22 13:27 | MySQL Server: Locking | Verified (725 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 (732 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 (732 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 (683 days) | S3 | Any | Any | Contribution: LOCK INSTANCE FOR BACKUP status | |
| 97885 | 2019-12-04 22:30 | 2020-03-02 6:20 | MySQL Server: Locking | Verified (408 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 (283 days) | S3 | 5.7.29 | Any | Any | lock_wait_timeout is taking twice time while adding new partition in table |
| 71060 | 2013-12-03 14:08 | 2013-12-05 13:31 | MySQL Server: Locking | Verified (2601 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 |
| 44884 | 2009-05-14 18:50 | 2018-10-12 6:54 | MySQL Server: Locking | Verified | S3 | 5.0.51a,5.0.66a,5.1.31sp1 | Any | Any | KILL of FLUSH TABLES does not remove TDC version lock on tables in use |
| 47938 | 2009-10-09 9:13 | 2011-02-16 23:44 | MySQL Server: Locking | Verified (3964 days) | S3 | 6.0.14-alpha | Any | Any | "grant update on view" does not initialize the table_list lock_type. |
| 53045 | 2010-04-22 4:58 | 2011-02-16 23:44 | MySQL Server: Locking | Verified (3922 days) | S5 | 5.1.45, 5.5 | Any | Any | LOCK_thread_count locked when per connection threads created |
| 67452 | 2012-11-02 6:18 | 2014-01-08 8:45 | MySQL Server: Locking | Verified (2565 days) | S2 | 5.5.24+ | Any (Ubuntu and Windows XP) | Any | Setting a variable from a select acquires a lock when using read uncommitted |
| 64814 | 2012-03-30 12:26 | 2012-03-31 9:30 | MySQL Server: Locking | Verified (3213 days) | S3 | 5.5.19 | Any | Any | Inconsistent error when concurrently dropping table and trigger |
| 62287 | 2011-08-28 22:07 | 2018-12-03 5:17 | MySQL Server: Locking | Verified (3428 days) | S3 | 5.1, 5.5 | Any | Any | don't serialize thread cache |
| 62286 | 2011-08-28 22:02 | 2011-09-06 9:56 | MySQL Server: Locking | Verified (3428 days) | S5 | 5.1, 5.5, ... | Any | Any | call multiple accepts per poll |
| 60951 | 2011-04-22 11:21 | 2011-08-05 18:27 | MySQL Server: Locking | Verified (3452 days) | S2 | 5.1.55-community-log, 5.1.59, 5.6.3 | Any | Any | DELETE statement locks |
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