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ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
---|---|---|---|---|---|---|---|---|---|
47937 | 2009-10-09 9:11 | 2011-02-16 23:44 | MySQL Server: General | Verified (5306 days) | S5 | Any | Any | Appending to fields using CONCAT gets very slow | |
65651 | 2012-06-18 10:52 | 2012-07-04 10:21 | MySQL Server: Data Types | Verified (4312 days) | S5 | Any | Any | SET improvement | |
75504 | 2015-01-14 12:52 | 2015-01-22 14:51 | MySQL Server: InnoDB storage engine | Verified (3375 days) | S5 | Any | Any | btr_search_guess_on_hash makes found block young twice? | |
96874 | 2019-09-14 10:38 | 2019-09-25 14:06 | MySQL Server: InnoDB storage engine | Verified (1668 days) | S5 | Any | Any | The write_notifier_mutex in log_sys is useless | |
98737 | 2020-02-25 14:38 | 2020-03-16 13:16 | MySQL Server: Compiling | Verified (1508 days) | S5 | Any | ARM | my_convert routine is suboptimal in case of non-x86 platforms | |
109173 | 2022-11-23 7:51 | 2022-11-24 12:16 | MySQL Server: Optimizer | Verified (512 days) | S5 | .31, 8.0.31 | Any | Any | Contribution: Offset pushdown to InnoDB and removal of redundant conditions |
81803 | 2016-06-10 12:35 | 2016-06-15 16:58 | MySQL Server: Optimizer | Verified (2865 days) | S5 | >=5.1 | Any | Any | Mysql 5.1 and later Update performance regression |
52322 | 2010-03-24 3:09 | 2011-02-16 23:44 | MySQL Proxy | Verified (5098 days) | S5 | 0.7.2 | Any | Any | mysql proxy carched |
42808 | 2009-02-12 22:17 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5544 days) | S5 | 4.1, 5.0, 5.1 | Any | Any | Execution Plan Cache |
20111 | 2006-05-28 10:57 | 2014-01-24 13:26 | MySQL Server: Optimizer | Verified (3738 days) | S5 | 4.1.19-log | Linux (Linux) | Any | named columns used in subqueries hinder optimisation of LIKE, BETWEEN, range |
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