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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 94387 | 2019-02-18 17:41 | 2022-06-09 11:58 | MySQL Server: InnoDB storage engine | Verified (1890 days) | S5 | 8.0.15 | Ubuntu (18.04) | x86 | MySQL 8.0.15 is slower than MySQL 5.7.25 in read only workloads |
| 112902 | 2023-10-31 14:39 | 2024-02-26 11:07 | MySQL Server: Optimizer | Verified (59 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 |
| 114567 | 2024-04-07 13:39 | 2024-04-15 12:59 | Connector / NET | Analyzing (10 days) | S5 | 8.0.33-8.3 | Windows | Any | mysql connector got almost twice slower than previous relases (from 8.0.33) |
| 104897 | 2021-09-10 6:29 | 2022-09-28 12:41 | MySQL Server: Optimizer | Verified (958 days) | S5 | 8.0.26, 8.0.17 | Any | x86 | Multi-valued index performance is too slow (Access too many rows than required) |
| 104546 | 2021-08-05 9:50 | 2024-01-30 15:57 | MySQL Server: Row Based Replication ( RBR ) | Verified (86 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. |
| 102599 | 2021-02-15 12:11 | 2023-12-19 10:19 | MySQL Server: GIS | Verified (1164 days) | S5 | 8.0.22 | Windows (Win 10) | x86 (NVMe RAM) | Slow performance of MySQL 8 compared with 5.7 on geographical SELECT |
| 100091 | 2020-07-02 12:23 | 2020-07-03 8:48 | Connector / Python | Verified (1392 days) | S5 | 8.0.18, 8.0.20 | Any | Any | mysqlx interface is a lot slower than the connector.python interface |
| 79335 | 2015-11-19 6:06 | 2015-11-19 7:41 | MySQL Cluster: Cluster (NDB) storage engine | Verified (3080 days) | S5 | ndb-7.4.8 mysql-5.6.27 | Any | Any | NDBCLUSTER extremely poor performance 3x SLOWER then InnoDB on a single node |
| 87170 | 2017-07-23 11:40 | 2019-02-08 14:12 | MySQL Server: Partitions | Verified | S5 | 5.6.37, 5.7.19 | Any | Any | altering tables with many partitions is slower than expected |
| 37811 | 2008-07-02 17:25 | 2023-03-15 15:14 | MySQL Server: mysqldump Command-line Client | Verified (5194 days) | S3 | 5.0,5.1,6.0.6 | HP/UX (11.31, 32 + 64 bit) | Any | "mysqldump" command hangs on HP-UX 11.31 (specifically) |
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