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ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
---|---|---|---|---|---|---|---|---|---|
96949 | 2019-09-19 16:20 | 2024-03-25 21:01 | MySQL Workbench | Can't repeat (1652 days) | S5 | 8.0.17 | Linux (Ubuntu 18.04 x86_64) | Any | Mysql Workbench takes very long time to execute the first query after connecting |
114331 | 2024-03-12 21:53 | 2024-03-19 9:48 | MySQL Server: InnoDB storage engine | Verified (9 days) | S5 | 8.0.*, 8.0.36 | Linux | x86 | MySQL get high insert latency in low concurrency |
100537 | 2020-08-15 8:11 | 2024-03-06 10:29 | MySQL Server: InnoDB storage engine | Verified (1319 days) | S5 | 8.0.21 | Ubuntu (18.04 LTS) | x86 | Performance degradation caused by monitoring sys.innodb_lock_waits in MySQL 8.0 |
113711 | 2024-01-22 16:35 | 2024-02-28 14:47 | MySQL Server: Optimizer | Closed (29 days) | S5 | 8.0.36 | Linux (debian11) | x86 | Mrr implement runs much slower than before |
114092 | 2024-02-22 23:40 | 2024-02-26 14:58 | MySQL Server: Optimizer | Verified (33 days) | S5 | Ver 8.0.36-0 | Ubuntu (ubuntu 22.04.1) | x86 (Linux on x86_64 ((Ubuntu))) | WHERE statement on an indexed decimal column hangs |
112902 | 2023-10-31 14:39 | 2024-02-26 11:07 | MySQL Server: Optimizer | Verified (31 days) | S5 | 8.0.31, 8.0.35 | Linux (n.a.) | x86 (x86_64) | Optimizer in MySQL 8 is significantly slower on dependent subqueries than 5.7 |
113844 | 2024-02-01 3:30 | 2024-02-02 11:15 | MySQL Server | Can't repeat (55 days) | S5 | 8.0.16 | Ubuntu | Any | The execution time of queries and written statements took a long time |
113800 | 2024-01-30 5:30 | 2024-01-31 8:28 | MySQL Server: DML | Verified (57 days) | S5 | 8.0.22, 8.0.36, 8.0.11 | Linux | x86 | Performance degradation of Blob operations comparing with MySQL 5.7 |
104546 | 2021-08-05 9:50 | 2024-01-30 15:57 | MySQL Server: Row Based Replication ( RBR ) | Verified (58 days) | S5 | 8.0.26 | Ubuntu (18.04.5 LTS) | x86 (Skylake-SP) | MySQL 8.0.26 single thread replication performance is slower than MySQL 5.7.35. |
93734 | 2018-12-24 18:44 | 2024-01-29 11:07 | MySQL Server: InnoDB storage engine | Closed (143 days) | S5 | Ubuntu (18.04) | x86 | MySQL 8.0 is 36 times slower than MySQL 5.7 | |
93684 | 2018-12-19 12:28 | 2023-12-05 13:54 | MySQL Server: mysqldump Command-line Client | Not a Bug (1893 days) | S5 | 8.0.13 | Debian (9.6 Stretch) | x86 (Intel CPU) | mysql innodb dump restore slows down after upgrade mysql 5.7 to 8.0 |
110998 | 2023-05-11 15:33 | 2023-12-01 6:49 | MySQL Server: Optimizer | Verified (316 days) | S5 | 8.0.20+, 8.0.33 | Linux | Any | Performance regression with SELECT query when sorting on limited fields |
89963 | 2018-03-08 13:45 | 2023-11-24 12:41 | MySQL Server: Connection Handling | Not a Bug (125 days) | S5 | 8.0.4 | Ubuntu | x86 | Slowdown in creating new SSL connection |
109595 | 2023-01-11 21:56 | 2023-11-09 5:37 | MySQL Server: Optimizer | Closed (168 days) | S5 | 8.0.31 | Linux | Any | records_in_range does too many disk reads |
103710 | 2021-05-15 14:26 | 2023-11-02 6:38 | MySQL Server: Optimizer | Closed (1028 days) | S5 | 8.0.25 | Linux | x86 | Prepared statement performance slower with prefer_ordering_index optimization |
111909 | 2023-07-28 7:02 | 2023-10-18 10:21 | MySQL Websites: bugs.mysql.com | Can't repeat (162 days) | S5 | 8.0.28 | CentOS | x86 | While using federate tables in mysql 8.0.28 getting communication packet error |
112362 | 2023-09-15 20:19 | 2023-09-26 10:34 | MySQL Server: Optimizer | Verified (185 days) | S5 | 8.1.0, 8.0.34 | Ubuntu (22.04) | x86 | WHERE NOT IN with subquery is much slower on 8.1 than 5.7 |
111225 | 2023-05-31 13:23 | 2023-06-06 12:35 | MySQL Server | Not a Bug (296 days) | S5 | MySQL8.0.18,MySQL8.0.28 | Linux | Any | Inaccurate execution plan generation for primary key range query |
111102 | 2023-05-22 9:40 | 2023-05-23 12:01 | MySQL Server: InnoDB storage engine | Can't repeat (311 days) | S5 | 8.0.* | CentOS | x86 | Performance issue in simulated AIO in sysbench oltp_insert auto_inc mode |
111058 | 2023-05-17 13:09 | 2023-05-17 13:38 | MySQL Server | Not a Bug (316 days) | S5 | 5.7 | Linux | Any | MYSQL can't open new threads |
110606 | 2023-04-04 10:16 | 2023-04-17 8:24 | MySQL Server: InnoDB storage engine | Verified (346 days) | S5 | 8.0 | Linux | ARM (aarch64) | Improve crc32c code for arm64 |
110644 | 2023-04-10 6:16 | 2023-04-13 9:56 | MySQL Server: InnoDB storage engine | Verified (350 days) | S5 | 8.0 | Linux | ARM (aarch64) | innobase: optimize hash_uint64 with hardware crc on Arm |
110445 | 2023-03-21 3:11 | 2023-03-21 6:32 | MySQL Server: Optimizer | Verified (373 days) | S5 | 8.0 | Linux | ARM (aarch64) | Optimize my_convert for Arm64 |
110444 | 2023-03-21 3:02 | 2023-03-21 6:32 | MySQL Server: Optimizer | Verified (373 days) | S5 | 8.0 | Linux | ARM (aarch64) | Optimize FindLowestBitSet for Arm64 |
100512 | 2020-08-13 9:17 | 2023-03-03 14:14 | MySQL Server: InnoDB storage engine | Closed (681 days) | S5 | 5.7.31,8.0.21 | Linux (3.10.107) | x86 (96 cores) | adaptive hash index(AHI) building causing contention on btr_search_latches |
110162 | 2023-02-22 7:06 | 2023-02-23 14:17 | MySQL Server | Not a Bug (399 days) | S5 | 8.0 | Linux | ARM | Improve vio read performance by introducing short busy poll before sleep |
110163 | 2023-02-22 7:22 | 2023-02-22 8:03 | MySQL Server: Compiling | Verified (400 days) | S5 | 8.0 | Linux | Any | IPTOS_THROUGHPUT enabling code is bypassed on Linux |
109942 | 2023-02-06 6:39 | 2023-02-07 5:59 | MySQL Server: InnoDB storage engine | Can't repeat (416 days) | S5 | 5.7.12 | Linux | Any | Query degradation when upgrade from mysql 5.6 to 5.7.12 |
109859 | 2023-01-31 9:36 | 2023-02-06 14:35 | MySQL Server: InnoDB storage engine | Can't repeat (416 days) | S5 | 8.0.30 | Ubuntu (20.04) | x86 | very slow converting table to row_format=compressed |
108430 | 2022-09-08 13:52 | 2023-01-16 3:10 | MySQL Server: InnoDB storage engine | Verified (471 days) | S5 | 8.0.29 | Oracle Linux (Oracle Linux Server release 7.9 3.10.0-1160.76.1.0.1.el7.x86_64) | x86 ( Intel(R) Xeon(R) CPU E5-2630 v3 ) | performance degradation of DML operations comparing with MySQL 5.7 |
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