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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 95934 | 2019-06-23 17:13 | 2019-07-05 8:17 | MySQL Server: InnoDB storage engine | Analyzing (336 days) | S5 | 8.0.* | Any | Any | innodb_flush_log_at_trx_commit = 0 get performance regression on 8 core machine |
| 71727 | 2014-02-14 23:30 | 2014-03-05 0:31 | MySQL Server: InnoDB storage engine | Analyzing (2289 days) | S5 | 5.6.16 | Any | Any | Follow up work on Bug#16249481- INNODB DOES NOT SCALE WELL ON 12 CORE ... |
| 68659 | 2013-03-13 7:47 | 2013-03-13 9:01 | MySQL Server: InnoDB storage engine | Analyzing (2641 days) | S5 | 5.6.10 | Any | Any | InnoDB Linux native aio should submit more i/o requests at once |
| 99717 | 2020-05-28 7:47 | 2020-05-28 12:18 | MySQL Server: InnoDB storage engine | In progress (8 days) | S3 | 8.0.18,8.0.20 | Any | Any | Peformance regression of parallel count |
| 85585 | 2017-03-22 21:36 | 2017-04-27 9:09 | MySQL Server: InnoDB storage engine | In progress (1135 days) | S1 | 5.6.35-80.0-debug-log | Any | Any | InnoDB: Failing assertion: UT_LIST_GET_LEN(buf_pool->flush_list) == 0 |
| 73763 | 2014-08-28 21:47 | 2016-10-26 15:20 | MySQL Server: InnoDB storage engine | In progress (1318 days) | S5 | 5.7 | Any | Any | New futex-mutex in InnoDB needs perf attention |
| 99695 | 2020-05-26 13:38 | 2020-06-04 12:29 | MySQL Server: InnoDB storage engine | Need Feedback (2 days) | S5 | 8.0 | Any | Any | Remove bloat caused by InnoDB logger class |
| 99714 | 2020-05-28 3:30 | 2020-06-01 13:23 | MySQL Server: InnoDB storage engine | Need Feedback (4 days) | S3 | 8.0.15 | Linux | Any | Updates to JSON column type are not |
| 52806 | 2010-04-14 6:32 | 2016-12-04 20:45 | MySQL Server: InnoDB Plugin storage engine | Patch pending (2788 days) | S5 | 5.1 | Any | Any | Make InnoDB mutexes green |
| 60128 | 2011-02-15 7:22 | 2018-09-23 20:45 | MySQL Server: InnoDB storage engine | Patch queued (3398 days) | S3 | Any | Any | Add performance schema instrumentation on os_fast_mutex | |
| 59710 | 2011-01-25 10:11 | 2016-12-04 20:45 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6+ | Any | Any | InnoDB mutex_t size should be trimmed |
| 59727 | 2011-01-25 21:36 | 2016-12-04 20:45 | MySQL Server: InnoDB storage engine | Verified | S5 | 5.1 plugin, 5.5, 5.6 | Any | Any | LRU search can be inefficient with compression |
| 67600 | 2012-11-15 21:40 | 2016-02-25 12:24 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.6.8-rc | Any | Any | Server crashes when opening InnoDB table on read-only media |
| 68109 | 2013-01-17 18:36 | 2013-01-17 18:37 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.1.69, 5.5.31, 5.7.1 | Any | Any | Add more debugging information for InnoDB purge thread |
| 69326 | 2013-05-27 12:09 | 2013-05-27 12:11 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.11 | Microsoft Windows | Any | windows: cant alter partitioned innodb table - posix 2048 file handles limit hit |
| 71325 | 2014-01-09 12:38 | 2014-01-09 12:46 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.15 | Any | Any | stats_sample_pages is limited to 65535 |
| 71507 | 2014-01-29 12:51 | 2019-11-14 20:47 | MySQL Server: InnoDB storage engine | Verified | S5 | 5.7 | Any | Any | innodb is excessively slow to replace duplicate values in a table |
| 73114 | 2014-06-25 13:30 | 2015-07-08 21:04 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.19 | Any | Any | trx_active_transactions counter in innodb_metrics goes negative after errors |
| 73386 | 2014-07-25 8:57 | 2015-08-24 13:58 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.21, 5.7.5 | Any | Any | for ranges, innodb doubles estimates, or caps estimates to half the table |
| 76252 | 2015-03-11 1:02 | 2017-04-28 21:13 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.6.23 | Any | Any | InnoDB ROW event handling too zelous for large transactions on table without PK |
| 76750 | 2015-04-20 8:34 | 2018-02-12 15:46 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.5.44 | Any | Any | innodb History list length (trx_rseg_history_len) never reaches 0 |
| 80115 | 2016-01-22 12:04 | 2017-08-31 9:41 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7.10 | Any (Linux) | Any | Misleading message about Page cleaner thread priority |
| 80986 | 2016-04-07 5:29 | 2016-04-07 5:53 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7.13 | Any | Any | innodb complains about innodb_table_stats even if persistent stats disabled |
| 81859 | 2016-06-15 10:14 | 2016-06-15 10:16 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.31 | Microsoft Windows (x64) | Any | On win64 the checksums in buf_page_print can be wrong (e.g. none 8030895855 ) |
| 82013 | 2016-06-27 9:30 | 2016-11-13 8:32 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7 | Any | Any | assertion: state == TRX_STATE_NOT_STARTED || state == TRX_STATE_FORCED_ROLLBACK |
| 82184 | 2016-07-11 10:52 | 2016-08-18 13:30 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7.13 | Any | Any | table status inconsistent, requires ANALYZE TABLE executed twice |
| 82185 | 2016-07-11 10:52 | 2016-07-11 10:57 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.31 5.7.13 | Any | Any | table status inconsistent with transactions and blobs |
| 82917 | 2016-09-09 4:12 | 2016-09-09 4:13 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7.13 | Any | Any | error "Over 95 percent of the buffer pool is" shows *instance* size, not total |
| 86485 | 2017-05-27 11:15 | 2017-06-11 16:37 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.7.17, 8.0.1 | Any | Any | InnoDB: tried to purge non-delete-marked record |
| 89158 | 2018-01-09 12:12 | 2018-01-09 13:36 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7.20 | Any | Any | "inplace" table rebuild creates much larger ibd file than "copy" rebuild! |
| 91977 | 2018-08-11 3:57 | 2020-03-23 11:12 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.7.17 | Any | Any | Dropping Large Table Causes Semaphore Waits; No Other Work Possible |
| 58460 | 2010-11-24 14:21 | 2013-04-14 20:45 | MySQL Server: InnoDB Plugin storage engine | Verified | S2 | 5.1 | Microsoft Windows (Vista X86_64) | Any | Innodb plugin release built crash debug server built |
| 55818 | 2010-08-07 6:23 | 2013-08-25 20:45 | MySQL Server: InnoDB Plugin storage engine | Verified | S3 | 5.1.49 | Any | Any | innodb_io_capacity can't be set below 100 |
| 99763 | 2020-06-03 6:28 | 2020-06-03 6:44 | MySQL Server: InnoDB storage engine | Verified (2 days) | S2 | 8.0, 8.0.20 | Any | Any | error log reports Invalid (old?) table or database name |
| 99643 | 2020-05-20 7:24 | 2020-05-21 12:49 | MySQL Server: InnoDB storage engine | Verified (15 days) | S3 | 8.0 | Any | Any | innobase_commit_by_xid/innobase_rollback_by_xid is not thread safe |
| 99641 | 2020-05-20 7:15 | 2020-05-20 9:23 | MySQL Server: InnoDB storage engine | Verified (16 days) | S3 | 8.0, 8.0.20 | Any | Any | crashed in srv_free if -DDISABLE_PSI_MEMORY=1 |
| 99596 | 2020-05-15 20:27 | 2020-05-20 13:20 | MySQL Server: InnoDB storage engine | Verified (16 days) | S3 | 8.0.* | Any | Any | create Fil_shard::create_node return wrong file node |
| 99642 | 2020-05-20 7:17 | 2020-05-20 8:15 | MySQL Server: InnoDB storage engine | Verified (16 days) | S3 | 8.0.20 | Any | Any | some mysql_pfs_key_t variables are not defined under macro |
| 99458 | 2020-05-06 7:51 | 2020-05-08 12:16 | MySQL Server: InnoDB storage engine | Verified (29 days) | S3 | 8.0.19 | CentOS | x86 | i_s_fts_index_cache_fill_one_index() is not protect by the lock |
| 99432 | 2020-05-04 8:09 | 2020-05-05 12:04 | MySQL Server: InnoDB storage engine | Verified (32 days) | S5 | 8.0.20 | Any | ARM | Improving memory barrier during rseg allocation |
| 99339 | 2020-04-23 20:22 | 2020-04-24 6:39 | MySQL Server: InnoDB storage engine | Verified (42 days) | S2 | 8.0.19 | Red Hat | x86 | .idb grows indefenitely (Bug #96466 with REPLACE) |
| 99286 | 2020-04-17 7:11 | 2020-04-21 12:22 | MySQL Server: InnoDB storage engine | Verified (45 days) | S2 | 5.7.29 | CentOS | Any | Concurrent update cause crash in row_search_mvcc |
| 99295 | 2020-04-18 7:56 | 2020-04-20 10:04 | MySQL Server: InnoDB storage engine | Verified (46 days) | S2 | 8.0.19 | Any | Any | InnoDB in-memory estimate is wrong after an index is created |
| 76398 | 2015-03-19 20:27 | 2020-04-11 2:21 | MySQL Server: InnoDB storage engine | Verified (55 days) | S3 | 5.6.23, 5.6.25, 5.5.44 | Any (CentOS, Mac OS X) | Any | MySQL doing full scan depending on limit value with ORDER BY query |
| 99100 | 2020-03-27 13:22 | 2020-04-07 12:11 | MySQL Server: InnoDB storage engine | Verified (60 days) | S3 | 8.0.19 | Any | Any | GROUP BY will throw table is full when temptable memory allocation exceed limit |
| 99171 | 2020-04-03 12:21 | 2020-04-15 13:13 | MySQL Server: InnoDB storage engine | Verified (63 days) | S3 | 8.0.19 | Any | Any | Inconsistent and Incorrect rw-lock stats |
| 98324 | 2020-01-22 9:57 | 2020-04-01 14:14 | MySQL Server: InnoDB storage engine | Verified (65 days) | S3 | 5.7.26, 5.7.29 | Any | Any | Deadlocks more frequent since version 5.7.26 |
| 99118 | 2020-03-31 5:20 | 2020-04-29 5:56 | MySQL Server: InnoDB storage engine | Verified (66 days) | S5 | 8.0.19 | Linux | ARM | ARM CRC32 intrinsic call to accelerate table-checksum (not crc32c but crc32) |
| 99098 | 2020-03-27 11:11 | 2020-03-27 14:49 | MySQL Server: InnoDB storage engine | Verified (70 days) | S3 | 5.5, 5.6, 5.7, 8.0 | Any | Any | Unnecessary calling of __atomic_thread_fence() as a workaround of gcc bug#77673 |
| 99097 | 2020-03-27 10:41 | 2020-03-27 14:45 | MySQL Server: InnoDB storage engine | Verified (70 days) | S3 | 8.0 | Any | Any | Suboptimal impl of integer load/store InnoDB functions for big-endian arch |
| 98869 | 2020-03-08 15:46 | 2020-06-01 12:23 | MySQL Server: InnoDB storage engine | Verified (75 days) | S5 | 8.0.19 | Any | Any | Temp ibt tablespace truncation at disconnection stuck InnoDB under large BP |
| 98859 | 2020-03-06 14:01 | 2020-03-09 14:40 | MySQL Server: InnoDB storage engine | Verified (88 days) | S3 | 8.0.19 | Any | Any | multiple undo tablespace having same file name. |
| 98642 | 2020-02-18 6:08 | 2020-03-09 12:53 | MySQL Server: InnoDB storage engine | Verified (92 days) | S2 | 5.6 after 5.6.38, 5.7 after 5.7.18 | Linux | Any | CONSISTENT SNAPSHOT CAN BE CORRUPTED BY OTHER TRANSACTIONS |
| 98782 | 2020-02-28 18:57 | 2020-05-22 12:19 | MySQL Server: InnoDB storage engine | Verified (94 days) | S5 | 8.0.19 | Any | Any | Using TempTable engine for GROUP BY is slower than using MEMORY engine |
| 98530 | 2020-02-10 9:27 | 2020-02-12 11:31 | MySQL Server: InnoDB storage engine | Verified (114 days) | S2 | 8.0, 8.0.19 | Any | Any | crash when inplace encryption resumes makes tablespace unusable |
| 98546 | 2020-02-11 6:38 | 2020-02-12 15:20 | MySQL Server: InnoDB storage engine | Verified (114 days) | S5 | 8, 5.7 | Any | Any | Transient indexes statistics are updated in foreground causing performance issue |
| 98564 | 2020-02-12 10:28 | 2020-02-12 13:16 | MySQL Server: InnoDB storage engine | Verified (114 days) | S3 | 8.0, 8.0.19 | Any | Any | [InnoDB] Assertion failure: space->encryption_op_in_progress == NONE |
| 98537 | 2020-02-10 13:56 | 2020-02-11 14:04 | MySQL Server: InnoDB storage engine | Verified (115 days) | S2 | 8.0 | Any | Any | inplace encryption resume thread doesn't update DD properly |
| 97950 | 2019-12-10 15:51 | 2020-02-11 13:57 | MySQL Server: InnoDB storage engine | Verified (115 days) | S3 | 8.0.18 | Any | Any | buf_read_page_handle_error can trigger assert failure |
| 98091 | 2019-12-29 15:01 | 2020-02-09 10:08 | MySQL Server: InnoDB storage engine | Verified (117 days) | S3 | 8.0.18, 5.7.29, 8.0.19 | Linux | x86 | InnoDB does not initialize raw disk partitions |
| 88321 | 2017-11-01 19:19 | 2020-02-02 22:29 | MySQL Server: InnoDB storage engine | Verified (124 days) | S2 | 5.6.35, 5.6.38, 5.7.20, 8.0.12 | Any | Any | Regression: InnoDB AUTO_INCREMENT produces same value twice |
| 98427 | 2020-01-29 11:59 | 2020-01-30 9:04 | MySQL Server: InnoDB storage engine | Verified (127 days) | S2 | 8.0, 8.0.19 | Any | Any | InnoDB FullText AUX Tables are broken in 8.0 |
| 98428 | 2020-01-29 12:48 | 2020-01-30 9:23 | MySQL Server: InnoDB storage engine | Verified (127 days) | S2 | 5.7, 8.0, 5.7.29, 8.0.19 | Any | Any | FTS AUX Tables are never encrypted |
| 98132 | 2020-01-06 10:55 | 2020-01-07 12:21 | MySQL Server: InnoDB storage engine | Verified (150 days) | S2 | 5.6, 5.7, 8.0, 5.7.28, 8.0.18 | Any | Any | Analyze table leads to empty statistics during online rebuild DDL |
| 98072 | 2019-12-25 13:27 | 2020-01-02 13:05 | MySQL Server: InnoDB storage engine | Verified (155 days) | S3 | 8.0.18, 8.0.11 | Any | Any | innochecksum summary shows blob pages as other type of page for 8.0 tables |
| 94692 | 2019-03-18 12:59 | 2020-01-03 6:07 | MySQL Server: InnoDB storage engine | Verified (158 days) | S3 | 8.0 | Any | Any | Contribution: Allow innodb to use multiple large page sizes |
| 94693 | 2019-03-18 12:59 | 2019-12-30 5:30 | MySQL Server: InnoDB storage engine | Verified (158 days) | S3 | 8.0 | Any | Any | Contribution: innodb buffer pool size not consistent with large pages |
| 94694 | 2019-03-18 13:09 | 2019-12-30 5:31 | MySQL Server: InnoDB storage engine | Verified (158 days) | S3 | 8.0 | Any | Any | Contribution: innodb_system tablespace information missing from I_S innodb_ ... |
| 97913 | 2019-12-06 11:15 | 2019-12-23 5:55 | MySQL Server: InnoDB storage engine | Verified (179 days) | S3 | 5.7.28 | Any | Any | Undo logs growing during partitioning ALTER queries |
| 97767 | 2019-11-25 8:27 | 2019-11-25 8:36 | MySQL Server: InnoDB storage engine | Verified (193 days) | S5 | 8.0 | Any | ARM | innobase/dict: refine zip_pad_info->pad with c++11 atomics |
| 97766 | 2019-11-25 8:20 | 2019-11-25 8:35 | MySQL Server: InnoDB storage engine | Verified (193 days) | S5 | 8.0 | Any | ARM | innobase/os_once: optimize os_once with c++11 atomics |
| 97765 | 2019-11-25 8:09 | 2019-11-25 8:35 | MySQL Server: InnoDB storage engine | Verified (193 days) | S5 | 8.0 | Any | ARM | innobase/os: refine os_total_large_mem_allocated with c++11 atomics |
| 97704 | 2019-11-20 9:17 | 2019-11-22 16:24 | MySQL Server: InnoDB storage engine | Verified (198 days) | S5 | 8.0 | Any | ARM | innobase/srv: refine srv0conc with c++11 atomics |
| 97703 | 2019-11-20 9:09 | 2019-11-22 16:23 | MySQL Server: InnoDB storage engine | Verified (198 days) | S5 | 8.0 | Any | ARM | innobase/dict: refine dict_temp_file_num with c++11 atomics |
| 97358 | 2019-10-24 11:59 | 2019-10-25 12:21 | MySQL Server: InnoDB storage engine | Verified (224 days) | S5 | 8.0.* | Any | Any | The log.flush_notifier_mutex in log_sys is useless |
| 97228 | 2019-10-15 10:40 | 2019-10-25 12:07 | MySQL Server: InnoDB storage engine | Verified (224 days) | S5 | 8.0 | Any | ARM | rwlock: refine lock->lock_word with C11 atomics |
| 97230 | 2019-10-15 10:44 | 2019-10-15 14:06 | MySQL Server: InnoDB storage engine | Verified (234 days) | S5 | 8.0 | Any | ARM | rwlock: refine lock->waiters with C++11 atomics |
| 96874 | 2019-09-14 10:38 | 2019-09-25 14:06 | MySQL Server: InnoDB storage engine | Verified (254 days) | S5 | Any | Any | The write_notifier_mutex in log_sys is useless | |
| 96924 | 2019-09-18 11:06 | 2019-09-18 12:31 | MySQL Server: InnoDB storage engine | Verified (261 days) | S3 | 5.7.27 | CentOS (7.7) | Any | information_schema.innodb_buffer_page is not updated when loading ib_buffer_pool |
| 90209 | 2018-03-24 21:19 | 2019-08-28 11:36 | MySQL Server: InnoDB storage engine | Verified (283 days) | S5 | 8.0, 8.0.17 | Any | Any | Performance regression with > 15K tables in MySQL 8.0 (with general tablespaces) |
| 96374 | 2019-07-30 6:53 | 2019-08-22 7:53 | MySQL Server: InnoDB storage engine | Verified (289 days) | S3 | 8.0.16 8.0.17 5.7.25 | Any | Any | binlog rotation deadlock when innodb concurrency limit setted |
| 96476 | 2019-08-08 20:18 | 2020-03-19 13:05 | MySQL Server: InnoDB storage engine | Verified (296 days) | S3 | 5.7.27 | Any | Any | Interrupting an ALTER TABLE t IMPORT TABLESPACE corrupts ibd file. |
| 95898 | 2019-06-20 14:02 | 2019-08-13 15:34 | MySQL Server: InnoDB storage engine | Verified (297 days) | S2 | 5.7, 5.7.26, 8.0.17, 5.7.27 | Any | Any | InnoDB releases memory of table only on shutdown if table has FK constraint |
| 96504 | 2019-08-12 4:42 | 2019-08-12 18:21 | MySQL Server: InnoDB storage engine | Verified (298 days) | S5 | 8.0 | Any | ARM | Refine atomics and barriers for weak memory order platform |
| 96475 | 2019-08-08 19:39 | 2020-03-19 13:05 | MySQL Server: InnoDB storage engine | Verified (301 days) | S3 | 5.7.27 | Any | Any | ALTER TABLE t IMPORT TABLESPACE blocks SELECT on I_S.tables. |
| 96391 | 2019-08-01 1:00 | 2019-08-05 13:49 | MySQL Server: InnoDB storage engine | Verified (308 days) | S3 | 5.6 5.7 | Any | Any | a mrec_buf_t[] index bug in row_merge_blocks(). |
| 96396 | 2019-08-01 9:36 | 2019-08-01 11:03 | MySQL Server: InnoDB storage engine | Verified (309 days) | S3 | 5.7, 5.7.27, 8.0.17 | Any | Any | redundant code in function que_fork_start_command |
| 88757 | 2017-12-05 10:43 | 2019-08-01 4:59 | MySQL Server: InnoDB storage engine | Verified (309 days) | S2 | 5.7.26 | Any | Any | convert trx_search_latch_release_if_reserved to a debug assertion/log message |
| 96236 | 2019-07-17 14:56 | 2019-07-18 5:30 | MySQL Server: InnoDB storage engine | Verified (323 days) | S1 | 5.7.25, 8.0.16 | Any | Any | Big intrinsic tmp InnoDB table make InnoDB engine get totally stuck |
| 95928 | 2019-06-22 15:20 | 2019-06-28 4:06 | MySQL Server: InnoDB storage engine | Verified (343 days) | S3 | 5.7.x, 8.0.x | Linux | Any | InnoDB crashes on compressed and encrypted table when changing FS block size |
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