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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 119222 | 2025-10-23 16:49 | 2025-10-24 9:06 | Shell Dump & Load | Verified (1 day) | S3 | 9.5.0 | Any | Any | util.dumpInstance() chunking based on partial primary key leads to unbalanced dump performance |
| 119190 | 2025-10-19 12:28 | 2025-10-19 12:30 | MySQL Server: Optimizer | Open | S5 | 8.4.6 | Any | Any | Comparing the result of EXISTS(subquery) with a constant severely reduces query performance |
| 119094 | 2025-09-29 13:03 | 2025-10-11 3:24 | MySQL Server: Optimizer | Open (14 days) | S3 | Any | Any | Performance optimization patches | |
| 119052 | 2025-09-22 9:22 | 2025-09-23 2:43 | MySQL Server: Optimizer | Verified (32 days) | S5 | 8.0.43 | Linux (5.10.134-19.al8.x86_64) | x86 (x86_64) | Performance regression in 8.0.40 |
| 119049 | 2025-09-22 7:23 | 2025-09-22 7:53 | MySQL Server: Optimizer | Closed (33 days) | S2 | 8.0.41 | Linux (5.10.134-19.al8.x86_64) | x86 (x86_64) | Performance regression in 8.0.41 compared to 5.7.37 for queries using limit |
| 119040 | 2025-09-19 6:46 | 2025-09-23 1:39 | MySQL Server: Optimizer | Verified (36 days) | S3 | 8.0.41 | Linux | x86 | The execution performance of the default execution plan is poor. If ignore index is used, the query performance is great |
| 119037 | 2025-09-18 20:48 | 2025-09-23 1:21 | MySQL Server: Data Dictionary | Verified (33 days) | S5 | 8.0.42 | Linux | Any | High memory consumption engine upgrade with ~1 million tables |
| 119030 | 2025-09-18 5:07 | 2025-09-23 11:56 | MySQL Server: Optimizer | Can't repeat (32 days) | S5 | 9.4.0 | Ubuntu (22.04) | Any | Significant performance regression of INTERSECT operation in MySQL 9.4.0 |
| 118976 | 2025-09-09 12:43 | 2025-09-11 13:07 | MySQL Server: Performance Schema | Not a Bug (44 days) | S3 | 8.0.41 | Any | Any | Executing "show full columns from table" under high concurrency results in poor performance. |
| 118879 | 2025-08-22 7:05 | 2025-08-23 9:47 | MySQL Server | Not a Bug (63 days) | S3 | 8.0 | Windows | Any | facing bug issue |
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