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ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
---|---|---|---|---|---|---|---|---|---|
86215 | 2017-05-08 13:35 | 2017-07-11 22:44 | MySQL Server: Optimizer | Analyzing (2475 days) | S5 | 8.0.1 | Any | Any | MySQL is much slower in 5.7 vs 5.6 |
73763 | 2014-08-28 21:47 | 2016-10-26 15:20 | MySQL Server: InnoDB storage engine | In progress (2733 days) | S5 | 5.7 | Any | Any | New futex-mutex in InnoDB needs perf attention |
41101 | 2008-11-28 15:31 | 2023-02-12 20:45 | MySQL Server: Replication | In progress (5472 days) | S2 | 5.0.67 | Any | Any | set storage_engine and set create_table are not written to the binlog |
113505 | 2023-12-24 18:23 | 2024-01-12 9:30 | MySQL Server: InnoDB storage engine | Verified (100 days) | S5 | 8.0.35 | Any | Any | Performance schema counter increments make parallel index create slow |
113270 | 2023-11-29 0:18 | 2023-11-29 10:34 | MySQL Server: Compiling | Verified (143 days) | S3 | 8.0.35 | Any | Any | Unable to compile 8.0.35 with DISABLE_PSI_THREAD |
110872 | 2023-04-30 2:06 | 2023-05-04 11:32 | MySQL Server: DDL | Verified (353 days) | S3 | 8.0 | Any | Any | Unable to create indexes concurrently on the same table |
110471 | 2023-03-22 20:40 | 2024-02-02 19:26 | MySQL Server: Errors | Verified (394 days) | S3 | 8.0 | Any | Any | Fix docs for error 1093 |
110226 | 2023-02-27 18:39 | 2023-02-28 6:46 | MySQL Server: Compiling | Verified (417 days) | S3 | 8.0.31 | Any | Any | Build fails when CMAKE_CXX_FLAGS_RELEASE is set because -DNDEBUG isn't set |
109251 | 2022-11-30 16:06 | 2023-01-18 23:58 | MySQL Server: Compiling | Verified (458 days) | S3 | 5.7.39, 5.7.40 | Ubuntu | x86 | Cannot compile 5.7.39 on Ubuntu 22.04 because ssl is not found |
109429 | 2022-12-19 15:59 | 2022-12-20 14:23 | MySQL Server: Compiling | Verified (488 days) | S3 | 8.0 | Linux | ARM | Update the directories malloc-lib supports because ARM |
91139 | 2018-06-04 20:37 | 2021-01-13 11:59 | MySQL Server: Optimizer | Verified (1194 days) | S5 | 8.0.11 | Any | Any | use index dives less often |
98919 | 2020-03-11 22:32 | 2020-03-12 7:10 | Connector / J | Verified (1500 days) | S3 | 5.1.48, 8.0.19 | Any | Any | Connector/J 5.1.48 assumes that MySQl 5.6 is built with perf schema support |
88827 | 2017-12-08 1:30 | 2018-05-31 13:08 | MySQL Server: InnoDB storage engine | Verified (2210 days) | S3 | 5.6.35, 5.6.38, 5.7.20, 8.0.4 | Any | Any | innodb uses too much space in the PK for concurrent inserts into the same table |
74283 | 2014-10-08 17:00 | 2020-11-23 7:43 | MySQL Server: InnoDB storage engine | Verified (2518 days) | S5 | 5.7.5 | Any | Any | Non-covering secondary index scans degrade more in 5.7 than 5.6 |
30342 | 2007-08-09 18:52 | 2015-10-07 14:54 | MySQL Server: Optimizer | Verified (3118 days) | S5 | 5.0.37, 5.6.17 | Any | Any | Equality propagation can make optimization much slower |
78672 | 2015-10-01 15:03 | 2015-10-12 12:54 | MySQL Server: InnoDB storage engine | Verified (3120 days) | S3 | 5.7.8 | Any | Any | assert fails in fil_io during linkbench with transparent innodb compression |
68825 | 2013-04-01 16:28 | 2018-07-11 15:09 | MySQL Server: Optimizer | Verified (3154 days) | S5 | 5.6.10 | Any | Any | performance regressions for single-threaded workloads |
69236 | 2013-05-14 22:12 | 2016-03-31 12:22 | MySQL Server: InnoDB storage engine | Verified (3154 days) | S5 | 5.6.11 | Any | Any | performance regressions for single-threaded workloads, part 2 |
74303 | 2014-10-09 17:56 | 2022-04-10 20:45 | MySQL Server: InnoDB storage engine | Verified (3478 days) | S3 | 5.7.5 | Any | Any | commited rows are visible before log sync when binlog not used |
74198 | 2014-10-03 0:07 | 2014-10-12 17:45 | MySQL Server: Memory storage engine | Verified (3478 days) | S3 | 5.7.5 | Any | Any | Get full table scan after FORCE INDEX for HEAP |
74280 | 2014-10-08 16:41 | 2014-10-10 13:50 | MySQL Server: InnoDB storage engine | Verified (3480 days) | S5 | 5.7.5 | Any | Any | covering secondary scans worse than PK scan at high concurrency |
72466 | 2014-04-26 14:57 | 2014-04-28 7:17 | MySQL Server: InnoDB storage engine | Verified (3645 days) | S3 | 5.7.4 | Any | Any | More memory overhead per page in the InnoDB buffer pool |
68555 | 2013-03-03 21:34 | 2013-11-11 15:53 | MySQL Server: InnoDB storage engine | Verified (3813 days) | S5 | 5.6.10 | Any | Any | thread convoys from log_checkpoint_margin with innodb_buffer_pool_instances > 1 |
70419 | 2013-09-25 15:14 | 2019-04-05 12:29 | MySQL Server: InnoDB storage engine | Verified (3860 days) | S3 | 5.6.14 | Any | Any | buffer vs Buffer for subsystem name in innodb_metrics |
68413 | 2013-02-18 2:45 | 2013-09-25 2:58 | MySQL Server: Performance Schema | Verified (3860 days) | S5 | 5.6.10, 5.6.13 | Any | Any | performance_schema overhead is at least 10% |
64340 | 2012-02-15 14:07 | 2013-06-14 15:35 | MySQL Server: InnoDB Plugin storage engine | Verified (3963 days) | S5 | 5.1.52, 5.1.61 | Any | Any | race on no_flush event during buf_flush_free_margin |
69276 | 2013-05-18 19:23 | 2014-11-05 15:15 | MySQL Server: InnoDB storage engine | Verified (3989 days) | S5 | 5.6.11 | Any | Any | fil_system->mutex contention limits block read rate with fast storage |
69170 | 2013-05-07 22:50 | 2017-05-14 20:45 | MySQL Server: InnoDB storage engine | Verified (3995 days) | S3 | 5.6.11 | Any | Any | buf_flush_LRU is lazy |
68481 | 2013-02-25 2:58 | 2014-11-04 11:47 | MySQL Server: InnoDB storage engine | Verified (4072 days) | S3 | 5.6.10 | Any | Any | InnoDB LRU flushing for MySQL 5.6 needs work |
68207 | 2013-01-28 17:01 | 2013-01-31 13:41 | MySQL Server: InnoDB storage engine | Verified (4097 days) | S3 | 5.6 | Any | Any | too much contention on "os_mutex" |
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