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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121144 | 2026-08-20 11:08 | 2026-08-20 11:20 | MySQL Server: Performance Schema | Open (18 days) | S2 | 8.4.4 (Any) | Any | Any | Performance Schema reports ROWS_EXAMINED inside stored programs wrongly as a running total |
| 121122 | 2026-08-19 5:49 | 2026-08-19 5:55 | MySQL Server: Performance Schema | Open | S3 | 26.7.0 | Any | Any | Race in Performance Schema shared memory-stat capacity accounting can underflow size_t and corrupt high/low watermarks |
| 121045 | 2026-07-31 23:14 | 2026-07-31 23:14 | MySQL Server: Performance Schema | Open | S3 | 9.7.2, 8.4 (present since 8.2.0) | Any | Any | Server telemetry metrics (mysql.stats, mysql.stats.handler) always report 0 |
| 121039 | 2026-07-30 9:04 | 2026-07-30 9:04 | MySQL Server: Performance Schema | Open | S4 | 8.0 | Any | Any | Bug: Alter_stage::aggregate() loses the log_index phase work, |
| 121037 | 2026-07-30 8:58 | 2026-07-30 8:58 | MySQL Server: Performance Schema | Open | S4 | 8.0 | Any | Any | Bug: Alter_stage::aggregate() skips merge_sort/insert phases due to wrong comparison thresholds |
| 120597 | 2026-06-02 6:58 | 2026-06-02 6:58 | MySQL Server: Performance Schema | Open | S5 | 8.0.46, 8.4.9 | Linux | x86 | performance_schema atomic values maintaining CPU cache-friendliness |
| 119766 | 2026-01-23 19:18 | 2026-01-23 19:18 | MySQL Server: Performance Schema | Open | S2 | 8.0.44 | Any | Any | Rows unexpectedly added in performance_schema for failed connections |
| 119223 | 2025-10-24 3:16 | 2026-01-13 20:35 | MySQL Server: Performance Schema | Open | S3 | 8.0.30 | Any | Any | The pfs_thread.processlist_id is set to NULL after using Srv_session |
| 119215 | 2025-10-23 9:16 | 2026-01-13 20:35 | MySQL Server: Performance Schema | Open (319 days) | S3 | 8.0.30 | Any | Any | pfs_thread.processlist_id will be null after select group_replication_reset_member_actions() |
| 118976 | 2025-09-09 12:43 | 2025-09-11 13:07 | MySQL Server: Performance Schema | Not a Bug (361 days) | S3 | 8.0.41 | Any | Any | Executing "show full columns from table" under high concurrency results in poor performance. |
| 118865 | 2025-08-20 18:17 | 2025-08-21 6:21 | MySQL Server: Performance Schema | Verified (382 days) | S3 | 9.4 | Any | Any | Contribution: Optimize process of thread counter |
| 118724 | 2025-07-26 12:08 | 2025-08-11 12:06 | MySQL Server: Performance Schema | Verified (392 days) | S5 | 8.0.42 | Any | Any | optimzie for performance_schema |
| 118114 | 2025-05-05 12:38 | 2026-03-04 13:29 | MySQL Server: Performance Schema | Verified (490 days) | S3 | 8.0.42 | Any | Any | INFO column in processlist tables truncates long queries despite using longtext type |
| 117772 | 2025-03-22 8:41 | 2026-08-07 15:19 | MySQL Server: Performance Schema | Closed (447 days) | S5 | 8.0, 8.4., 9.2.0 | Any | Any | Debug code in pfs_get_thread_statement_locker_vc() leaking to release builds |
| 117625 | 2025-03-05 21:35 | 2026-04-01 9:13 | MySQL Server: Performance Schema | Closed (447 days) | S3 | 9.2.0, 8.4.4, 8.0.41 | Any | Any | Error in code comment in P_S: s/start_file_open_wait/end_file_open_wait/. |
| 117176 | 2025-01-10 6:20 | 2025-01-10 7:00 | MySQL Server: Performance Schema | Verified (605 days) | S3 | 8.0.40 | Any | Any | The stages about DDL in PFS.events_stages_history_long are wrong |
| 117174 | 2025-01-10 6:20 | 2025-04-28 6:36 | MySQL Server: Performance Schema | Verified (497 days) | S4 | 8.4.3 / 9.1.0 | Any | Any | Provide secondary password usage in P_S table rather than logging on each connect |
| 117175 | 2025-01-10 6:20 | 2025-01-10 6:34 | MySQL Server: Performance Schema | Duplicate (605 days) | S4 | 8.4.3 / 9.1.0 | Any | Any | Provide secondary password usage in P_S table rather than logging on each connect |
| 116659 | 2024-11-14 13:04 | 2024-11-15 11:06 | MySQL Server: Performance Schema | Duplicate (661 days) | S3 | 8.0 | Any | Any | p_s.metadata_locks displaying the wrong LOCK_TYPE after upgrade_shared_lock |
| 116625 | 2024-11-12 7:15 | 2025-03-03 17:15 | MySQL Server: Performance Schema | Closed (643 days) | S3 | 8.0.40 | Any | Any | The LOCK_TYPE in PFS.metadata_locks not change after MDL upgrade or downgrade |
| 116526 | 2024-11-01 10:40 | 2024-11-04 9:59 | MySQL Server: Performance Schema | Verified (675 days) | S3 | 8.0 | Any | Any | Performance_schema consumer not affecting immediately |
| 116328 | 2024-10-10 6:36 | 2024-10-10 9:09 | MySQL Server: Performance Schema | Verified (697 days) | S3 | 8.0.39 | Any | Any | Incorrect result performance_schema.events_waits_current when using PK index |
| 116172 | 2024-09-20 4:58 | 2024-09-20 16:48 | MySQL Server: Performance Schema | Verified (717 days) | S4 | 9.0.1 | Any | Any | Additional variable_scope value and columns in variables_metadata |
| 116153 | 2024-09-19 1:40 | 2024-09-23 12:51 | MySQL Server: Performance Schema | Can't repeat (714 days) | S3 | 8.0.24 | Any | Any | Performance_schema.processlist’s INFO column of execute command is NULL |
| 115943 | 2024-08-28 6:50 | 2026-07-27 19:34 | MySQL Server: Performance Schema | Closed (42 days) | S3 | 8.0, 8.4, 9.0, 8.0.39, 8.4.2 | Any | Any | STATEMENT_DIGEST() adds trailing semicolon to digest |
| 115844 | 2024-08-15 13:09 | 2026-08-07 15:15 | MySQL Server: Performance Schema | Closed (748 days) | S3 | 9.0 | Any | Any | Contribution: Fix erroneous comment in table_hosts.h |
| 115372 | 2024-06-18 17:43 | 2024-06-20 9:55 | MySQL Server: Performance Schema | Verified (811 days) | S4 | 8.4, 8.0 | Any | Any | Please consider adding fields to P_S "Digest" table. |
| 115298 | 2024-06-12 10:21 | 2024-06-12 14:04 | MySQL Server: Performance Schema | Verified (817 days) | S3 | 8.0 | Any | Any | partition table's io wait summary is not updated correct in PERFORMANCE_SCHEMA |
| 115181 | 2024-05-31 2:11 | 2024-06-03 13:36 | MySQL Server: Performance Schema | Verified (826 days) | S3 | 8.0 | Any | Any | performance_schema.metadata_locks table doesn't show EXCLUSIVE locks correctly |
| 114598 | 2024-04-09 15:19 | 2024-04-10 14:14 | MySQL Server: Performance Schema | Verified (880 days) | S3 | 8.0 | Windows | Any | The `variables_info` table in MySQL for Windows shows incorrect results. |
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