| Showing 1-30 of 375 (Edit, Save, CSV, Feed) | Show Next 30 Entries » |
| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 59819 | 2011-01-30 11:03 | 2019-12-06 3:50 | MySQL Server: Views | Analyzing (4443 days) | S5 | 5.1,5.5 | Any | Any | TEMPTABLE Views are Extremely Slow |
| 58234 | 2010-11-16 16:26 | 2014-02-26 12:47 | MySQL Server: InnoDB storage engine | Verified (4837 days) | S5 | 5.1.49-r1, 5.5.20 | Any | Any | LENGTH() / OCTET_LENGTH() on BLOB field very slow |
| 60023 | 2011-02-08 21:45 | 2014-05-22 12:13 | MySQL Server: Optimizer | Verified | S5 | 5.5.8 , 5.1.51 | Any | Any | No Loose Index Scan for GROUP BY / DISTINCT on InnoDB partitioned table |
| 60197 | 2011-02-22 7:48 | 2011-04-17 13:47 | MySQL Server: Command-line Clients | Verified (5085 days) | S5 | 5.1.55 | Windows | Any | random used in a multithreaded context |
| 60345 | 2011-03-04 17:11 | 2013-01-15 15:25 | MySQL Server | Verified (4443 days) | S5 | 5.1.55 6.0.11 | Any | Any | trim trailing spaces processes data only byte wise (the continue of bug14637) |
| 60348 | 2011-03-04 20:14 | 2013-01-15 15:25 | MySQL Server | Verified (4443 days) | S5 | 5.1.55 | Any | Any | trim trailing spaces processes data only byte wise (continue of bug14637 (2)) |
| 60349 | 2011-03-04 21:20 | 2013-01-15 15:25 | MySQL Server | Verified (4443 days) | S5 | 5.1.55 | Any | Any | trim beginning spaces processes data only byte wise (continue of bug14637 (3)) |
| 60351 | 2011-03-04 22:15 | 2013-01-15 15:27 | MySQL Server | Verified (4443 days) | S5 | 5.1.55 | Any | Any | trim same character processes data only byte wise (continue of bug14637 (4)) |
| 60702 | 2011-03-30 23:25 | 2011-04-05 14:55 | MySQL Server: Optimizer | Verified (5099 days) | S5 | 5.1.57 | Any | Any | GROUP BY orders when used inside a UNION query, though it should not |
| 60811 | 2011-04-08 23:41 | 2020-08-15 10:10 | MySQL Server: General | Verified (5089 days) | S5 | 5.0.93, 5.5.12, 5.0.77-4.el5_5.4 | Any (RHEL 5.5, Mac OS X) | Any | slow timezone functions |
| 62286 | 2011-08-28 22:02 | 2011-09-06 9:56 | MySQL Server: Locking | Verified (4948 days) | S5 | 5.1, 5.5, ... | Any | Any | call multiple accepts per poll |
| 63905 | 2012-01-02 23:47 | 2012-01-16 18:35 | MySQL Server: Optimizer | Verified (4808 days) | S5 | 5.1.60 | Windows | Any | handler_read_next is suprisingly high and slows queries |
| 64116 | 2012-01-23 20:05 | 2012-05-25 7:35 | MySQL Server: InnoDB Plugin storage engine | Verified (4800 days) | S5 | 5.1,5.5,5.6 | Any | Any | fil_space_get_size called too frequently |
| 64181 | 2012-01-31 14:41 | 2012-02-09 12:20 | MySQL Server: InnoDB Plugin storage engine | Verified (4789 days) | S5 | 5.1.52, 5.1.61 | Any | Any | unzip_LRU length management might need to be updated for SSD |
| 64340 | 2012-02-15 14:07 | 2013-06-14 15:35 | MySQL Server: InnoDB Plugin storage engine | Verified (4293 days) | S5 | 5.1.52, 5.1.61 | Any | Any | race on no_flush event during buf_flush_free_margin |
| 64344 | 2012-02-15 17:00 | 2015-01-16 19:40 | MySQL Server: InnoDB Plugin storage engine | Verified (4755 days) | S5 | 5.1.52 | Any | Any | malloc, free done for compressed pages when buffer pool mutex locked |
| 64673 | 2012-03-16 23:14 | 2012-03-18 17:15 | MySQL Server: InnoDB Plugin storage engine | Verified (4747 days) | S5 | 5.1 | Any | Any | InnoDB allocates too many empty pages in ibd files |
| 64715 | 2012-03-21 4:24 | 2012-03-21 20:00 | MySQL Server: InnoDB Plugin storage engine | Verified (4743 days) | S5 | 5.1.52, 5.1.63 | Any | Any | buf_LRU_free_block() calls page_zip_calc_checksum() unnecessarily. |
| 65177 | 2012-05-02 9:43 | 2020-05-03 20:45 | MySQL Server: Optimizer | Verified (4696 days) | S5 | 5.1,5.5 | Any | Any | perromance issue of "order by rand()" |
| 65286 | 2012-05-11 16:28 | 2015-01-15 14:43 | MySQL Server: Partitions | Verified (4691 days) | S5 | mysql 5.1, 5.5 | Any | Any | Avoid copying on REORGANIZE PARTITION where possible |
| 65792 | 2012-07-03 2:19 | 2012-07-04 9:54 | MySQL Server: Optimizer | Verified (4639 days) | S5 | 5.1,5.5 | Any | Any | an unecessary Using temporary in distinct query |
| 66563 | 2012-08-28 5:37 | 2012-08-28 6:55 | MySQL Server: InnoDB Plugin storage engine | Verified (4583 days) | S5 | 5.1,5.6 | Any | Any | reduce the number of redundant calls to btr_cur_optimistic_insert() |
| 67913 | 2012-12-16 2:31 | 2017-07-18 5:39 | Connector / ODBC | Verified (4437 days) | S5 | 5.2.2, 5.1.11 | Windows (Windows 7 and 8 64-bit) | Any | ODBC connector performance problem |
| 71804 | 2014-02-22 22:29 | 2020-09-13 20:45 | MySQL Server: Optimizer | Verified (3800 days) | S5 | 5.6.6 m9, 5.5.32, 5.1.61 | Any (sqlfiddle.com) | Any | Unnecessary filesort when joining on unique column using group by. |
| 72815 | 2014-05-30 11:06 | 2014-05-31 14:24 | MySQL Server: Optimizer | Verified (3943 days) | S5 | 5.1, 5.5, 5.6, 5.7 | Any | Any | UPDATE ... WHERE ... ORDER BY... always does a filesort even if not required |
| 77220 | 2015-06-02 7:56 | 2019-04-09 9:45 | Connector / ODBC | Verified (2169 days) | S5 | after 5.1.8 | Windows (Windows Server 2008/2012 R2) | Any | MyODBC connector is VERY SLOW after 5.1.8 |
| 81024 | 2016-04-09 19:53 | 2016-04-09 21:45 | MySQL Server: DML | Verified (3263 days) | S5 | 5.0/5.1/5.5/5.6/5.7 | Windows (Microsoft Windows 7 Enterprise Service Pack 1) | Any | HAVING without GROUP BY should imply an aggregation of a single group |
| 81803 | 2016-06-10 12:35 | 2016-06-15 16:58 | MySQL Server: Optimizer | Verified (3196 days) | S5 | >=5.1 | Any | Any | Mysql 5.1 and later Update performance regression |
| 45372 | 2009-06-08 12:47 | 2021-10-13 5:35 | Tools: MTR / mysql-test-run | Analyzing (5760 days) | S3 | 5.0,5.1,5.4,6.0 | Any | Any | mysqltest: --cursor-protocol fails in case of SELECT ... INTO |
| 49456 | 2009-12-04 12:04 | 2018-04-08 20:45 | MySQL Server | Analyzing (5581 days) | S3 | mysql-5.1-rep+3 | Any | Any | replication out of sync |
| Showing 1-30 of 375 (Edit, Save, CSV, Feed) | Show Next 30 Entries » |
