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•   MySQL Community Server 5.5.56 has been released 05/02/2017 11:59AM
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Posted
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
623
03/02/2015 02:05AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
464
03/02/2015 02:13AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
698
03/02/2015 02:28PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
463
03/03/2015 01:27AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
528
03/02/2015 06:13PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
448
03/02/2015 07:14PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
485
03/02/2015 07:20PM
Re: Slow performance when using LIMIT 1000  
443
02/26/2015 04:13AM
Re: Slow performance when using LIMIT 1000  
540
02/27/2015 01:09AM
1,071
02/16/2015 03:49AM
Re: Analyse-Optimize and tablecache  
474
02/18/2015 03:54PM
863
02/15/2015 11:17PM
Re: Temp tables on Disk issue  
383
02/16/2015 12:19AM
Re: 5.6 -> 5.7 - huge jump in memory usage, CentOS 7.  
520
02/05/2015 01:51AM
Re: Mysql performance between installation  
462
01/17/2015 11:50AM
Re: Mysql performance between installation  
512
01/19/2015 08:26AM
Re: Mysql performance between installation  
586
01/20/2015 04:57PM
Re: Mysql performance between installation  
479
01/21/2015 02:30AM
Re: RAM consideration/ IO usage  
601
01/14/2015 01:47PM
Re: RAM consideration/ IO usage  
505
01/15/2015 03:07PM
Re: RAM consideration/ IO usage  
793
01/16/2015 02:14PM
1,711
01/11/2015 02:55PM
Re: Unusually high cpu usage  
683
01/12/2015 09:49PM
Re: Unusually high cpu usage  
593
01/13/2015 09:32AM
Re: Unusually high cpu usage  
835
01/13/2015 11:47AM
Re: Unusually high cpu usage  
636
01/13/2015 04:21PM
1,159
01/07/2015 11:12AM
Re: How To Use More Resources  
476
01/07/2015 07:14PM
Re: How To Use More Resources  
600
01/07/2015 09:14PM
Re: How To Use More Resources  
686
01/07/2015 11:21PM
Re: How To Use More Resources  
424
01/07/2015 11:42PM
Re: How To Use More Resources  
429
01/08/2015 05:48PM
Re: How To Use More Resources  
512
01/09/2015 02:39PM
Re: How to use performance_schema.tables  
448
01/07/2015 03:41AM
Re: How to use performance_schema.tables  
528
01/07/2015 05:02PM
Re: lockfree approach to creating a single unique row without unique index  
414
01/05/2015 12:17AM
Re: lockfree approach to creating a single unique row without unique index  
432
01/05/2015 11:04AM
1,088
12/26/2014 02:08AM
Re: COUNT_STAR, SUM_TIMER_WAIT  
589
01/05/2015 04:27AM
Re: what does table_open_cache_overflow=0 means?  
1,188
12/31/2014 04:59PM
Re: innodb_buffer_pool_read_requests global status wraparound  
575
11/18/2014 10:40PM
Re: innodb_buffer_pool_read_requests global status wraparound  
508
11/19/2014 07:31AM
Re: innodb_buffer_pool_read_requests global status wraparound  
483
11/19/2014 10:19AM
Re: innodb_buffer_pool_read_requests global status wraparound  
464
12/22/2014 01:37AM
Re: innodb_buffer_pool_read_requests global status wraparound  
496
11/19/2014 03:00PM
Re: innodb_buffer_pool_read_requests global status wraparound  
445
12/20/2014 12:15PM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue  
779
12/12/2014 09:18AM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue  
510
12/12/2014 12:18PM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue  
782
12/14/2014 01:42PM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue  
683
12/14/2014 04:19PM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
598
12/08/2014 04:32AM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
535
12/08/2014 05:45AM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
516
12/08/2014 10:52AM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
480
12/09/2014 06:44AM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
579
12/09/2014 03:34PM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
536
12/13/2014 08:47PM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
550
12/13/2014 08:49PM
Re: innodb_checksum_algorithm stic_crc32 is slow response  
497
12/14/2014 11:51AM
Re: UPDATE .. WHERE or INSERT .. ON DUPLICATE KEY UPDATE?  
871
12/06/2014 02:40PM
Re: Write Operations very slow in InnoDB engine when compared to MyIsam  
456
11/28/2014 06:59PM
988
11/26/2014 06:53AM
Re: Cardinality Problem  
425
11/26/2014 12:03PM
Re: Cardinality Problem  
485
11/27/2014 03:08AM
Re: Cardinality Problem  
395
11/28/2014 06:56PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
516
11/13/2014 06:50PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
532
11/13/2014 10:29PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
530
11/14/2014 07:55PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
615
11/14/2014 10:33PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
554
11/15/2014 08:43PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
555
11/16/2014 10:19PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
506
11/16/2014 10:37PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
435
11/17/2014 08:06PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
465
11/19/2014 11:09PM
Re: Reduce the Query Execution Time Between MYSQL & VC++  
471
11/20/2014 07:59PM
Re: Which server hardware would you pick?  
534
11/15/2014 08:46PM
Re: Which server hardware would you pick?  
468
11/16/2014 06:25PM
Re: Which server hardware would you pick?  
488
11/17/2014 03:42PM
Re: Which server hardware would you pick?  
521
11/18/2014 09:08AM
Re: Which server hardware would you pick?  
470
11/19/2014 05:02PM
Re: MySQL query execution time differs between executions  
640
11/16/2014 12:19PM
Re: MySQL query execution time differs between executions  
583
11/16/2014 03:24PM
Re: MySQL query execution time differs between executions  
610
11/17/2014 02:57AM
Re: MySQL query execution time differs between executions  
643
11/17/2014 04:09PM
Re: MySQL query execution time differs between executions  
589
11/17/2014 02:30AM
Re: Why INSERT performance has not increase in sub-table?  
478
11/03/2014 09:07AM
Re: Why INSERT performance has not increase in sub-table?  
437
11/03/2014 09:31AM
Re: Why INSERT performance has not increase in sub-table?  
425
11/03/2014 11:56AM
Re: Why INSERT performance has not increase in sub-table?  
567
11/03/2014 01:12PM
Re: Why INSERT performance has not increase in sub-table?  
444
11/03/2014 09:43PM
Re: Why INSERT performance has not increase in sub-table?  
507
11/04/2014 08:57AM
Re: Why INSERT performance has not increase in sub-table?  
427
11/05/2014 04:39AM
Re: Performance of insert on duplicate key update  
2,057
10/24/2014 10:39AM
Re: Performance of insert on duplicate key update  
1,470
10/24/2014 11:54AM
Re: Performance of insert on duplicate key update  
1,245
10/25/2014 12:51PM
Re: Performance of insert on duplicate key update  
1,061
10/27/2014 07:44AM
Re: Performance of insert on duplicate key update  
1,034
10/28/2014 11:33AM
Re: Performance of insert on duplicate key update  
808
11/04/2014 06:40AM
Re: msyql 5.0.22 and multi-core server support  
657
10/31/2014 11:14AM
Re: msyql 5.0.22 and multi-core server support  
592
10/31/2014 01:38PM
Re: msyql 5.0.22 and multi-core server support  
820
11/02/2014 09:33AM
Re: GROUP causing Using Temporary Using Filesort  
3,678
07/31/2014 03:24PM
Re: GROUP causing Using Temporary Using Filesort  
3,043
07/31/2014 05:45PM
Re: GROUP causing Using Temporary Using Filesort  
2,688
08/01/2014 04:45PM
Re: GROUP causing Using Temporary Using Filesort  
1,956
08/01/2014 08:26PM
Re: GROUP causing Using Temporary Using Filesort  
1,673
08/01/2014 11:45PM
Re: GROUP causing Using Temporary Using Filesort  
1,589
08/02/2014 08:23AM
Re: GROUP causing Using Temporary Using Filesort  
1,669
08/02/2014 12:44PM
Re: GROUP causing Using Temporary Using Filesort  
1,074
10/30/2014 12:57PM
Leonardo, please do not hijack threads  
811
10/31/2014 11:15AM
1,490
09/23/2014 02:48AM
Re: Eliminate filesort in update query  
567
09/23/2014 09:59PM
Re: Eliminate filesort in update query  
529
09/24/2014 01:25AM
Re: Eliminate filesort in update query  
611
09/24/2014 08:40PM
Re: Eliminate filesort in update query  
570
09/25/2014 05:48AM
Re: Eliminate filesort in update query  
534
09/26/2014 04:39PM
Re: Eliminate filesort in update query  
549
10/01/2014 06:49AM
Re: Eliminate filesort in update query  
594
10/03/2014 10:09PM
Re: Eliminate filesort in update query  
609
10/04/2014 03:13AM
Re: How to get fast Performance during Insert Large Volume of records into table  
562
09/27/2014 08:16AM
2,555
09/23/2014 01:32AM
Re: Slow response time due queries  
967
09/23/2014 10:11PM
Re: PHP/MySQL to use all CPU/memory to increase performance  
700
09/22/2014 03:39PM
Re: PHP/MySQL to use all CPU/memory to increase performance  
815
09/22/2014 04:55PM
Re: PHP/MySQL to use all CPU/memory to increase performance  
571
09/23/2014 03:21PM
2,516
09/21/2014 01:33PM
Re: How to set mysql CPU affinity?  
1,132
09/22/2014 03:25PM
Re: How to set mysql CPU affinity?  
1,134
09/23/2014 01:30AM
Re: How to set mysql CPU affinity?  
1,047
09/23/2014 11:03AM
Re: Query optimization to reduce execution time.  
570
09/22/2014 08:46PM
Re: Query optimization to reduce execution time.  
533
09/23/2014 12:38AM
Re: Query optimization to reduce execution time.  
597
09/23/2014 01:42AM
1,709
09/14/2014 06:00PM
Re: Mass Update optimization  
635
09/15/2014 11:38AM
Re: Mass Update optimization  
589
09/23/2014 01:36AM
Re: Optimising query with composite index, which says using where  
491
09/06/2014 01:53AM
Re: Optimising query with composite index, which says using where  
497
09/07/2014 10:46PM
Re: Optimising query with composite index, which says using where  
477
09/15/2014 06:03AM
Re: Optimising query with composite index, which says using where  
485
09/15/2014 10:03AM
Re: Slow Performance with Multi-threaded app  
580
09/13/2014 09:47AM
Re: InnoDB and locking, UPDATE and SELECT  
469
09/13/2014 12:09AM
1,545
08/29/2014 05:12PM
Re: MySQL using too much CPU  
653
08/30/2014 05:27PM
Re: MySQL using too much CPU  
860
08/31/2014 10:13PM
1,187
J M
08/27/2014 07:31AM
Re: Understanding Explain  
563
08/27/2014 10:35AM
Re: Understanding Explain  
519
J M
08/27/2014 10:51AM
Re: Understanding Explain  
565
08/28/2014 03:00PM
Re: Understanding Explain  
422
08/29/2014 09:45PM
1,060
08/21/2014 07:28AM
Re: Need help to otimize my query  
553
08/24/2014 09:17PM
1,060
07/16/2014 01:30AM
Re: Slow response in MY SQL 5.5.1.8  
562
07/16/2014 09:04PM
Re: Slow response in MY SQL 5.5.1.8  
571
07/21/2014 05:02AM
Re: Slow response in MY SQL 5.5.1.8  
606
07/23/2014 12:19AM
1,075
07/17/2014 05:26AM
Re: Help in tuning MySQL 5.6 database  
545
07/18/2014 12:12PM
1,517
05/28/2014 09:35AM
Re: Query slows down over time  
722
05/28/2014 12:45PM
Re: Query slows down over time  
595
05/28/2014 01:24PM
Re: Query slows down over time  
635
05/28/2014 04:57PM
Re: Query slows down over time  
678
05/28/2014 05:46PM
Re: Query slows down over time  
659
05/28/2014 07:23PM
Re: Query slows down over time  
1,753
05/29/2014 05:38AM
Re: Query slows down over time  
779
05/29/2014 09:49AM
Re: Query slows down over time  
744
05/29/2014 03:12PM
Re: Query slows down over time  
760
07/15/2014 12:10PM
Re: Query slows down over time  
683
07/15/2014 12:33PM
Re: Query slows down over time  
595
07/16/2014 11:19AM
1,206
07/11/2014 07:53AM
Re: Performance problem with outer join  
490
07/11/2014 09:26AM
Re: Performance problem with outer join  
544
07/11/2014 04:26PM
Re: Performance problem with outer join  
544
07/13/2014 12:29PM
Re: Where to look for server freezes  
456
07/11/2014 04:14PM
Re: Slow query when joining 2 very large tables with Group and Order  
640
06/23/2014 04:02AM
Re: Slow query when joining 2 very large tables with Group and Order  
961
06/24/2014 01:26AM
Re: Slow query when joining 2 very large tables with Group and Order  
621
06/24/2014 02:28AM
Re: Slow query when joining 2 very large tables with Group and Order  
702
06/26/2014 08:25PM
Re: sync_binlog=1 and innodb_flush_log_at_trx_commit = 1 killing write performance  
868
06/26/2014 06:19PM
Re: MySQL hangs due to large delete  
502
06/26/2014 06:13PM
2,258
06/16/2014 04:13AM
Re: Superkey vs Primary Key  
808
06/16/2014 10:42AM
Re: Superkey vs Primary Key  
590
06/17/2014 12:57AM
Re: Superkey vs Primary Key  
585
06/17/2014 03:42AM
1,207
06/04/2014 04:43PM
Re: DML operations slow down  
661
06/06/2014 09:18AM
Re: how to configure my.cnf for mysql 5.1, using too much cpu?  
767
06/06/2014 09:09AM
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