| Showing 1-90 of 733 (Edit, Save, CSV, Feed) | Show Next 90 Entries » |
| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 115328 | 2024-06-14 2:13 | 2024-07-06 14:02 | MySQL Server: InnoDB storage engine | Analyzing (391 days) | S5 | 8.4.0 | Red Hat (Rocky Linux 8.8) | x86 | Poor write performance due to new default value of innodb_doublewrite_pages |
| 112252 | 2023-09-04 16:20 | 2023-11-07 11:29 | MySQL Server: InnoDB storage engine | Analyzing (623 days) | S3 | 8.0.33, 8.0.34 | Any | Any | InnoDB page compression impacts checkpointing |
| 102313 | 2021-01-20 12:24 | 2021-01-21 13:16 | MySQL Server: InnoDB storage engine | Analyzing (1635 days) | S3 | 8.0.23 | Any | Any | Tablespace may still larger than limit after truncation |
| 95934 | 2019-06-23 17:13 | 2019-07-05 8:17 | MySQL Server: InnoDB storage engine | Analyzing (2201 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 | 2022-04-10 20:45 | MySQL Server: InnoDB storage engine | Analyzing (4154 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 (4506 days) | S5 | 5.6.10 | Any | Any | InnoDB Linux native aio should submit more i/o requests at once |
| 85585 | 2017-03-22 21:36 | 2023-06-01 12:05 | MySQL Server: InnoDB storage engine | In progress (1692 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 (3183 days) | S5 | 5.7 | Any | Any | New futex-mutex in InnoDB needs perf attention |
| 118411 | 2025-06-10 15:52 | 2025-07-03 12:02 | MySQL Server: InnoDB storage engine | Need Feedback (11 days) | S2 | 8.0.37 | CentOS | x86 | Performance degradation in write workload after rebuilding table with row_format=compressed |
| 60128 | 2011-02-15 7:22 | 2018-09-23 20:45 | MySQL Server: InnoDB storage engine | Patch queued (5263 days) | S3 | Any | Any | Add performance schema instrumentation on os_fast_mutex | |
| 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 |
| 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 | 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 | 2024-05-30 12:20 | 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 | 2020-06-26 12:24 | 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 |
| 81859 | 2016-06-15 10:14 | 2016-06-15 10:16 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.6.31 | 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 | 2021-06-30 16:50 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.7.17, 8.0.1 | Any | Any | InnoDB: tried to purge non-delete-marked record |
| 87222 | 2017-07-27 12:52 | 2023-06-29 13:12 | MySQL Server: InnoDB storage engine | Verified | S3 | 5.7.19 | Windows | Any | slow down on the spam! InnoDB: Trying to close/delete/truncate tablespace |
| 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 | 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 |
| 110060 | 2023-02-14 9:32 | 2023-03-07 5:40 | MySQL Server: InnoDB storage engine | Verified | S2 | 5.7.41 | Any | Any | shutdown: Failing assertion: UT_LIST_GET_LEN(rseg->update_undo_list) == 0 |
| 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 |
| 58460 | 2010-11-24 14:21 | 2013-04-14 20:45 | MySQL Server: InnoDB Plugin storage engine | Verified | S2 | 5.1 | Windows (Vista X86_64) | Any | Innodb plugin release built crash debug server built |
| 116813 | 2024-11-28 2:57 | 2025-07-11 2:28 | MySQL Server: InnoDB storage engine | Verified (3 days) | S5 | 8.0.40, 8.0.42 | Any | Any | The transaction commit takes a long time even if it doesn't affect any rows |
| 118624 | 2025-07-10 2:47 | 2025-07-10 8:15 | MySQL Server: InnoDB storage engine | Verified (4 days) | S1 | 8.3.0, 8.0.42, 8.3.0, 8.4.5, 9.3.0 | Any | Any | Wrong result when icp(push a 'like condition' into engine) |
| 118335 | 2025-06-03 7:50 | 2025-07-07 14:05 | MySQL Server: InnoDB storage engine | Verified (7 days) | S5 | 9.3.0 | Any | Any | drop big table affect performance when general space used |
| 118594 | 2025-07-07 14:16 | 2025-07-07 14:58 | MySQL Server: InnoDB storage engine | Verified (7 days) | S2 | 8.0.42 | Any | Any | In-place ALTER TABLE ... ADD FOREIGN KEY can sometimes fails with unwarranted error or even crashes |
| 118358 | 2025-06-04 12:04 | 2025-07-13 10:14 | MySQL Server: InnoDB storage engine | Verified (10 days) | S2 | 8.0.42, 8.4.5 9.3.0 | Any | Any | Startup without Signs of Progress when Rolling-Back Big Transaction. |
| 118516 | 2025-06-24 10:42 | 2025-07-03 18:36 | MySQL Server: InnoDB storage engine | Verified (11 days) | S3 | 8.0.39 | Any | Any | Unexpected blocked statement when different select statements are executed |
| 118515 | 2025-06-24 9:08 | 2025-07-01 4:35 | MySQL Server: InnoDB storage engine | Verified (14 days) | S2 | 8.4, 8.4.5 | Any | Any | Contribution by Tencent: trx_cleanup_at_db_startup did not clean up trx_sys->shards |
| 118403 | 2025-06-09 17:10 | 2025-06-20 10:13 | MySQL Server: InnoDB storage engine | Verified (24 days) | S3 | 8.0.37, 8.0.42 | Any | Any | innodb_fill_factor is not honored for InnoDB Compressed Tables |
| 118265 | 2025-05-25 23:12 | 2025-07-09 15:42 | MySQL Server: InnoDB storage engine | Verified (27 days) | S1 | 9.3.0 | MacOS (15.4.1 (24E263)) | x86 (Quad-Core Intel Core i7) | mysqld hangs durning startup |
| 118359 | 2025-06-04 13:43 | 2025-06-16 12:33 | MySQL Server: InnoDB storage engine | Verified (33 days) | S2 | mysql-8.0.41 | Any | Any | False-negative result in row_vers_impl_x_locked_low() — may miss identifying the active transaction on a secondary rec |
| 118363 | 2025-06-04 18:00 | 2025-06-16 12:33 | MySQL Server: InnoDB storage engine | Verified (33 days) | S3 | mysql-8.0.41 | Any | Any | Another Potential Optimization in row_ins_sec_index_entry_low() |
| 118355 | 2025-06-04 7:41 | 2025-06-10 13:59 | MySQL Server: InnoDB Plugin storage engine | Verified (34 days) | S3 | 8.0.42 | Any | Any | Temporary file write failure when creating an index |
| 118302 | 2025-05-29 16:46 | 2025-05-30 4:26 | MySQL Server: InnoDB storage engine | Verified (45 days) | S3 | 9.0.0, 9.3.0 | Any | Any | Contribution: Adding \'sb\' instruction to spin_delay() for ARM v8.5 onward |
| 118299 | 2025-05-29 6:57 | 2025-05-29 11:33 | MySQL Server: InnoDB storage engine | Verified (46 days) | S2 | 8.0.42, 8.4.5 | Any | Any | Multi-valued Index on Composite Key Returns Incomplete Results for Rows with Empty JSON Array('[]') |
| 118281 | 2025-05-27 15:24 | 2025-05-28 4:42 | MySQL Server: InnoDB storage engine | Verified (47 days) | S3 | 9.3.0 | Any | Any | Contribution: Fix incorrect byte size in mlog read_1_bytes comment |
| 81376 | 2016-05-11 6:48 | 2025-05-14 12:56 | MySQL Server: InnoDB storage engine | Verified (61 days) | S5 | 5.7 | Any | Any | Single page flushing should be removed |
| 118121 | 2025-05-06 14:40 | 2025-05-13 8:47 | MySQL Server: InnoDB storage engine | Verified (62 days) | S3 | 8.0.37, 8.0.42 | Any | Any | lob pages leak when mysqld crashed |
| 115480 | 2024-07-02 4:26 | 2025-07-11 5:06 | MySQL Server: InnoDB storage engine | Verified (63 days) | S3 | 8.0.42 | MacOS (14.5) | ARM | Test innodb.log_first_rec_group failing |
| 117835 | 2025-03-31 10:44 | 2025-05-12 12:18 | MySQL Server: InnoDB storage engine | Verified (63 days) | S2 | 9.2.0 | Any (Ubuntu 22.04) | Any | Non Repeatable Read WITH CONSISTENT SNAPSHOT |
| 100242 | 2020-07-17 5:48 | 2025-06-10 5:48 | MySQL Server: InnoDB storage engine | Verified (68 days) | S3 | 8.0.18 | Linux | Any | Upgrade from MySQL 8.0.16 to MySQL 8.0.18 failed |
| 117943 | 2025-04-11 8:07 | 2025-05-13 12:31 | MySQL Server: InnoDB storage engine | Verified (69 days) | S3 | 8.4.4, 9.2.0 | Any | Any | Startup ibd-file validation uses too much CPU threads |
| 118054 | 2025-04-24 16:23 | 2025-05-07 15:55 | MySQL Server: InnoDB storage engine | Verified (69 days) | S5 | Any | Any | Potential optimization in row_ins_sec_index_entry_low(): avoid second btr_cur_search_to_nth_level() under certain condit | |
| 117898 | 2025-04-07 8:26 | 2025-05-08 10:10 | MySQL Server: InnoDB storage engine | Verified (74 days) | S3 | 8.0.41 | Any | Any | User Records may be skipped when Persistent Cursor restores Infimum and Supremum Record |
| 117436 | 2025-02-11 7:22 | 2025-04-29 10:27 | MySQL Server: InnoDB storage engine | Verified (89 days) | S2 | 8.0 | Any | Any | PCursor::move_to_next_block may skip records incorrectly |
| 117962 | 2025-04-13 15:19 | 2025-04-13 17:26 | MySQL Server: InnoDB storage engine | Verified (92 days) | S3 | 8.0.37, 8.0.41, 9.2.0 | Any | Any | ibd2sdi failed when table COMPRESSION='lz4' |
| 117498 | 2025-02-18 9:37 | 2025-03-27 13:44 | MySQL Server: InnoDB storage engine | Verified (109 days) | S5 | 8.0.41 | Any | Any | Traversing a relatively long undo-chain will seriously affect write performance |
| 117533 | 2025-02-20 13:37 | 2025-03-27 9:50 | MySQL Server: InnoDB storage engine | Verified (109 days) | S5 | 8.0.41 | Any | Any | The performance is poor when concurrently reading undo records |
| 117691 | 2025-03-12 19:12 | 2025-03-28 9:54 | MySQL Server: InnoDB storage engine | Verified (110 days) | S2 | 8.4.0, 8.4.4, 9.2.0 | Linux | Any | MySQL 8.4 and 9 are not taking advantage of the Linux Page Cache (contrarily to 8.0). |
| 117778 | 2025-03-24 10:23 | 2025-05-12 9:23 | MySQL Server: InnoDB storage engine | Verified (112 days) | S3 | 8.0, 8.4, 9.2 | Any | Any | AHI hash table memory is invisible to Performance Schema |
| 117733 | 2025-03-18 2:59 | 2025-03-21 1:13 | MySQL Server: InnoDB storage engine | Verified (118 days) | S2 | 9.2.0 | Any (Ubuntu 22.04) | Any | Dirty reads due to isolation level settings |
| 117717 | 2025-03-16 5:05 | 2025-03-16 11:41 | MySQL Server: InnoDB storage engine | Verified (120 days) | S2 | 8.0.41, 8.4.4, 9.2.0 | Any | Any | Import Tablespace Fails Due to Inconsistent max_prefix in dict_col_t After Dropping Index |
| 114455 | 2024-03-22 14:23 | 2025-03-20 12:21 | MySQL Server: InnoDB storage engine | Verified (122 days) | S3 | 9.0 | Any | Any | Contribution: Fix build failure with WITH_INNODB_EXTRA_DEBUG set |
| 117553 | 2025-02-24 9:15 | 2025-03-11 8:25 | MySQL Server: InnoDB storage engine | Verified (125 days) | S2 | 8.4.4 | Any | Any | Crash caused by race condition between MVCC::view_open and purge view |
| 117448 | 2025-02-12 9:22 | 2025-02-12 16:15 | MySQL Server: InnoDB storage engine | Verified (152 days) | S5 | 8.0 | Any | Any | When a large number of undo logs accumulate, reading the undo logs during the undo purge process may become a bottleneck |
| 116005 | 2024-09-04 23:43 | 2025-02-09 14:10 | MySQL Server: InnoDB storage engine | Verified (155 days) | S5 | all versions | Any | Any | With NUMA and Read Committed, performance worsens under high concurrency. |
| 116878 | 2024-12-04 17:10 | 2025-02-21 12:40 | MySQL Server: InnoDB storage engine | Verified (157 days) | S5 | 8.0.21 and above | Any | Any | False sharing with hardcoded cache line size |
| 117256 | 2025-01-21 13:19 | 2025-01-28 18:24 | MySQL Server: InnoDB storage engine | Verified (167 days) | S2 | 8.4.4 | Any | Any | Repeating uncaused error "Column cannot be null" after single error on table with trigger |
| 117231 | 2025-01-17 20:50 | 2025-01-27 6:57 | MySQL Server: InnoDB storage engine | Verified (168 days) | S2 | 8.0.40, 8.4.3, 9.1.0 | Any | Any | Wrong SDI after upgrade from 8.0.23 because Bug#98501 (Exchanging partition does not update SDI). |
| 117237 | 2025-01-19 4:13 | 2025-01-21 11:41 | MySQL Server: InnoDB storage engine | Verified (174 days) | S2 | 8.0.40, 8.4.3, 9.1.0 | Any | Any | Unexpected Duplicate Error in DDL Row Log Apply |
| 117189 | 2025-01-13 8:26 | 2025-01-13 8:40 | MySQL Server: InnoDB storage engine | Verified (182 days) | S3 | 8.0.39, 8.0.40 | Any | Any | InnoDB index stats many orders of magnitude wrong |
| 115348 | 2024-06-16 15:56 | 2025-01-09 11:24 | MySQL Server: InnoDB storage engine | Verified (186 days) | S3 | 8.0.40 | Any | Any | Expansion of the undo tablespace |
| 117099 | 2025-01-02 18:20 | 2025-01-08 15:18 | MySQL Server: InnoDB storage engine | Verified (187 days) | S2 | 8.0.40 | Any | Any | Variable innodb_ddl_buffer_size does not limit memory usage in the first phase of an ALTER TABLE |
| 116933 | 2024-12-11 1:47 | 2024-12-11 5:33 | MySQL Server: InnoDB storage engine | Verified (215 days) | S3 | 8.0,8.4 | Any | Any | Function recv_single_rec doesn't handle corrupt_log correctly |
| 116934 | 2024-12-11 2:04 | 2024-12-11 5:33 | MySQL Server: InnoDB storage engine | Verified (215 days) | S3 | 8.0,8.4 | Any | Any | Recovery should abort immediatly if meet corrupt log |
| 115527 | 2024-07-05 14:35 | 2024-12-04 9:52 | MySQL Server: InnoDB storage engine | Verified (222 days) | S3 | 8.0 | Any | Any | Contribution: Ensure FTS auxiliary tables are cleaned up properly |
| 116794 | 2024-11-27 4:10 | 2024-11-28 14:27 | MySQL Server: InnoDB storage engine | Verified (228 days) | S3 | 8.0 | Any | Any | Blobs in dropped columns will be residual after a update. |
| 116793 | 2024-11-27 3:51 | 2024-11-27 7:14 | MySQL Server: InnoDB storage engine | Verified (229 days) | S2 | 8.0.40 | Any | Any | AHI crash : ut_a(old_index != nullptr) |
| 116761 | 2024-11-24 4:46 | 2024-11-26 7:51 | MySQL Server: InnoDB storage engine | Verified (230 days) | S3 | 8.0.40 | Any | Any | Page tracking stops working when disk is full |
| 116778 | 2024-11-26 4:28 | 2024-11-26 7:03 | MySQL Server: InnoDB storage engine | Verified (230 days) | S2 | 8.0.40, 8.4.3, 9.1.0 | Any | Any | mysql crash when optimize table and update |
| 116760 | 2024-11-23 13:44 | 2024-11-25 7:24 | MySQL Server: InnoDB storage engine | Verified (231 days) | S3 | 8.0.40,8.4.3,9.1.0 | Any | Any | Page deadlock occured when searching BTREE after nullable cols dropped by INSTAN |
| 116713 | 2024-11-19 15:57 | 2024-11-21 14:15 | MySQL Server: InnoDB storage engine | Verified (236 days) | S2 | 9.0 | Any | Any | Function rename_partition_files should not be in MySQL 9, and more. |
| 116714 | 2024-11-19 16:04 | 2024-11-21 14:17 | MySQL Server: InnoDB storage engine | Verified (236 days) | S3 | 8.0 | Any | Any | With 8000 to 15,999 Tablespaces, MySQL Startup Spawns one Useless Sub-Thread. |
| 116715 | 2024-11-19 17:03 | 2024-11-20 17:23 | MySQL Server: InnoDB storage engine | Verified (236 days) | S2 | 9, 8.4, 8.0 | Any | Any | Optimize Normal Startup with Many Tables. |
| 116709 | 2024-11-19 11:59 | 2024-11-19 12:22 | MySQL Server: InnoDB storage engine | Verified (237 days) | S3 | 9.1.0 | Any | Any | scripts/mysql_system_tables.sql still treating InnoDB as an optional SE |
| 116455 | 2024-10-23 3:31 | 2024-11-14 8:19 | MySQL Server: InnoDB storage engine | Verified (242 days) | S3 | 8.0.40 | Any | Any | Server upgrade progress will open all tablespaces and not close |
| 116647 | 2024-11-13 19:28 | 2025-04-25 16:55 | MySQL Server: InnoDB storage engine | Verified (242 days) | S3 | 8.4.2,9.0 | Any | Any | Bufferpool Index Stats are not decremented on btr_page_free |
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