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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 33381 | 2007-12-19 19:27 | 2018-09-09 20:45 | MySQL Server: Data Types | Verified (5315 days) | S5 | 5.0.45, 5.0.52, 5.1.40 | Linux | Any | Temporary table created on disk when it should be in ram |
| 107741 | 2022-07-04 7:40 | 2022-07-06 9:03 | MySQL Server: Stored Routines | Verified (659 days) | S5 | 8.0.25, 8.0.29 | Linux | Any | Event_Scheduler memory leak in MySQL 8 version |
| 114056 | 2024-02-19 23:03 | 2024-02-22 10:56 | MySQL Server: Prepared statements | Verified (63 days) | S5 | 8.0.32, 8.0.22+ | Any | Any | Performance degredation using REGEXP in statement with parameters vs query |
| 101391 | 2020-10-30 3:04 | 2020-11-19 16:59 | MySQL Server: Performance Schema | Verified (1253 days) | S5 | 8.0, 8.0.22 | Any | Any | Performance Schema storage engine doesn't use index optimizations on group by |
| 89379 | 2018-01-24 11:41 | 2022-03-31 8:21 | MySQL Server: Performance Schema | Verified (2283 days) | S5 | 5.7.20, 5.7.21 | Any | Any | summary_by_user tables get extremely slow with many users. |
| 68413 | 2013-02-18 2:45 | 2013-09-25 2:58 | MySQL Server: Performance Schema | Verified (3865 days) | S5 | 5.6.10, 5.6.13 | Any | Any | performance_schema overhead is at least 10% |
| 70265 | 2013-09-06 18:10 | 2015-08-23 20:45 | MySQL Server: Partitions | Verified (3881 days) | S5 | 5.6.13 | Any | Any | Optimizer under-estimates rows when there are many unmatched partitions |
| 105644 | 2021-11-19 16:22 | 2021-11-23 14:10 | MySQL Server: Optimizer | Verified (885 days) | S5 | 8.0 | Any | Any | ranges cannot use indexes on joined tables |
| 114237 | 2024-03-06 6:57 | 2024-03-06 8:30 | MySQL Server: Optimizer | Verified (50 days) | S5 | 8.2.0, 8.3.0 | Any | Any | Unexpected Cardinality by Index |
| 112192 | 2023-08-28 2:55 | 2023-08-30 11:05 | MySQL Server: Optimizer | Verified (239 days) | S5 | 8.0.28 | Any | Any | In MySQL 8.0, one queries need 1000 times more data than MySQL 5.7 |
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