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Help for checking server configuration  
1,609
Michele Quaini
08/16/2015 11:08AM
Re: Help for checking server configuration  
701
Rick James
08/17/2015 10:56AM
Re: Help for checking server configuration  
977
Michele Quaini
08/19/2015 09:32AM
Re: Help for checking server configuration  
953
Rick James
08/22/2015 02:59PM
Deadlock issue and table lock frequently  
2,284
Devrishi Shandilya
08/07/2015 02:57AM
Re: Deadlock issue and table lock frequently  
882
Rick James
08/07/2015 10:09PM
Re: Deadlock issue and table lock frequently  
964
Devrishi Shandilya
08/17/2015 02:50AM
Re: Deadlock issue and table lock frequently  
890
Rick James
08/18/2015 09:23PM
Re: Deadlock issue and table lock frequently  
2,979
Devrishi Shandilya
08/20/2015 12:06AM
Re: Deadlock issue and table lock frequently  
1,114
Rick James
08/22/2015 01:45PM
table_cache  
3,548
Julian König
08/13/2015 01:19AM
Re: table_cache  
1,068
Rick James
08/15/2015 04:19PM
Re: table_cache  
1,162
Julian König
08/16/2015 01:24PM
Re: table_cache  
1,359
Rick James
08/17/2015 09:30AM
Best Index Strategy  
2,134
Devrishi Shandilya
08/09/2015 11:35PM
Re: Best Index Strategy  
843
Rick James
08/10/2015 07:02AM
Re: Best Index Strategy  
797
Rick James
08/10/2015 07:17AM
Re: Best Index Strategy  
777
Devrishi Shandilya
08/10/2015 11:30PM
Re: Best Index Strategy  
770
Devrishi Shandilya
08/12/2015 10:53PM
Re: Best Index Strategy  
761
Rick James
08/15/2015 04:34PM
Re: Best Index Strategy  
754
Devrishi Shandilya
08/16/2015 11:53PM
Select last date check all rows  
1,573
Pär Nordlund
08/04/2015 08:47AM
Re: Select last date check all rows  
740
Rick James
08/05/2015 05:49PM
Re: Select last date check all rows  
859
Pär Nordlund
08/06/2015 03:11AM
Re: Select last date check all rows  
638
Pär Nordlund
08/06/2015 03:13AM
Re: Select last date check all rows  
686
Rick James
08/06/2015 10:36PM
Re: Select last date check all rows  
838
Pär Nordlund
08/07/2015 04:12AM
Re: Select last date check all rows  
743
Rick James
08/08/2015 11:11AM
Number of table Partitions  
3,101
Jawahar muthukrishnan
07/22/2015 01:24PM
Re: Number of table Partitions  
2,526
Rick James
07/24/2015 03:14PM
Re: Number of table Partitions  
1,300
Jeeva M
07/31/2015 02:15PM
Slow Query Urgent  
1,587
a m
07/23/2015 09:21AM
Re: Slow Query Urgent  
701
Peter Brawley
07/23/2015 10:19AM
Re: Slow Query Urgent  
689
Rick James
07/24/2015 04:00PM
MyISAM INSERT ON DUPLICATE KEY on huge table consumes 100% CPU  
2,100
Timothy Mifsud
07/16/2015 07:50AM
Re: MyISAM INSERT ON DUPLICATE KEY on huge table consumes 100% CPU  
797
Peter Brawley
07/16/2015 09:39AM
Re: MyISAM INSERT ON DUPLICATE KEY on huge table consumes 100% CPU  
1,032
Rick James
07/17/2015 04:01PM
SELECT never completes  
1,657
James Cobban
07/06/2015 10:08PM
Re: SELECT never completes  
817
Peter Brawley
07/06/2015 11:51PM
Re: SELECT never completes  
1,283
James Cobban
07/07/2015 02:16AM
Re: SELECT never completes  
784
Rick James
07/09/2015 12:55AM
5.5: UPDATE massively slower than SELECT. Both affect zero rows.  
2,026
Andy Theuninck
05/21/2015 10:09AM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.  
962
Øystein Grøvlen
05/22/2015 02:19AM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.  
919
Andy Theuninck
05/22/2015 08:15AM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.  
815
Rick James
06/06/2015 12:30PM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.  
892
Chandan Kumar
06/26/2015 08:24AM
Performance Issue for select query  
1,515
amar singh chawan
06/08/2015 04:58AM
Re: Performance Issue for select query  
891
Rick James
06/09/2015 11:42PM
Best Training Institute for Mysql performace tuning and Database scalabulity  
1,407
amar singh chawan
06/07/2015 11:42PM
Is ORDER BY RAND() LIMIT 1 optimized?  
6,815
Markus M.
05/27/2015 05:40PM
Re: Is ORDER BY RAND() LIMIT 1 optimized?  
1,933
Øystein Grøvlen
05/28/2015 02:18AM
Re: Is ORDER BY RAND() LIMIT 1 optimized?  
1,481
Markus M.
05/28/2015 07:22AM
Re: Is ORDER BY RAND() LIMIT 1 optimized?  
1,215
Øystein Grøvlen
05/28/2015 07:49AM
Re: Is ORDER BY RAND() LIMIT 1 optimized?  
1,346
Rick James
06/06/2015 12:16PM
Strange behavior of MySQL server  
1,660
Deepak Itkar
05/27/2015 07:33AM
Re: Strange behavior of MySQL server  
732
Rick James
06/06/2015 11:51AM
heavy read workload with high cpu usage  
2,298
kim alex
05/28/2015 04:37AM
Re: heavy read workload with high cpu usage  
886
Rick James
06/04/2015 08:35AM
query performance on partitioning table  
3,343
sixin yang
05/12/2015 09:00AM
Re: query performance on partitioning table  
2,161
Rick James
05/16/2015 11:49PM
Re: query performance on partitioning table  
1,170
sixin yang
05/18/2015 08:30AM
Re: query performance on partitioning table  
1,140
Rick James
06/04/2015 08:22AM
Avoid subquery  
1,867
Wolfgang Jacques
05/12/2015 08:40AM
Re: Avoid subquery  
991
Peter Brawley
05/12/2015 11:06AM
Re: Avoid subquery  
739
Wolfgang Jacques
05/12/2015 01:29PM
Re: Avoid subquery  
707
Peter Brawley
05/12/2015 01:41PM
Re: Avoid subquery  
861
Rick James
05/17/2015 12:11AM
MYSQL Table Optimization  
1,396
Yudhveer Kandukuri
05/13/2015 09:53PM
Re: MYSQL Table Optimization  
643
Rick James
05/15/2015 11:02AM
Slow query  
2,262
Manu Swami
04/21/2015 11:15AM
Re: Slow query  
875
Maulik Parekh
04/22/2015 07:17AM
Re: Slow query  
814
Rick James
04/22/2015 07:05PM
Re: Slow query  
1,025
Manu Swami
04/23/2015 11:42PM
Re: Slow query  
815
Manu Swami
04/23/2015 11:55PM
Re: Slow query  
796
Rick James
04/24/2015 05:22PM
Re: Slow query  
797
Manu Swami
04/25/2015 02:31AM
Re: Slow query  
894
Manu Swami
04/25/2015 02:41AM
Re: Slow query  
1,509
Manu Swami
04/25/2015 05:22AM
Re: Slow query  
854
Rick James
04/25/2015 10:42PM
Re: Slow query  
822
Øystein Grøvlen
05/13/2015 03:30AM
Re: Slow query  
899
Manu Swami
04/28/2015 03:40AM
CPU usage extremely high  
3,113
Temu Kinn
04/28/2015 08:55AM
Re: CPU usage extremely high  
1,449
Temu Kinn
04/28/2015 09:03AM
Re: CPU usage extremely high  
1,189
Rick James
04/29/2015 05:43PM
Re: CPU usage extremely high  
1,230
Temu Kinn
05/09/2015 07:22AM
Re: CPU usage extremely high  
1,105
Temu Kinn
05/09/2015 07:38AM
Re: CPU usage extremely high  
1,103
Rick James
05/11/2015 06:30PM
Mysql indexes weird behavior  
1,344
Nikhil Khekade
05/02/2015 02:17AM
Re: Mysql indexes weird behavior  
620
Rick James
05/03/2015 06:21PM
slow query sorting result - sending data  
3,208
Hugo Rodriguez
04/28/2015 07:27PM
Re: slow query sorting result - sending data  
1,130
Peter Brawley
04/28/2015 10:38PM
Re: slow query sorting result - sending data  
1,011
Rick James
05/01/2015 10:08PM
PROFILING  
1,584
Khurram Naseem
04/27/2015 04:26AM
Re: PROFILING  
733
Rick James
04/29/2015 06:53PM
Query time difference  
1,765
Ofer Bechar
04/26/2015 07:28AM
Re: Query time difference  
676
Rick James
04/27/2015 02:39PM
Re: Query time difference  
714
Ofer Bechar
04/27/2015 11:29PM
Re: Query time difference  
682
Rick James
04/29/2015 05:50PM
Performance issues with INNODB vs MyISAM  
3,026
Milovan Krivokapic
04/17/2015 01:20PM
Re: Performance issues with INNODB vs MyISAM  
1,272
Rick James
04/19/2015 01:22PM
Re: Performance issues with INNODB vs MyISAM  
948
Milovan Krivokapic
04/27/2015 11:15AM
Re: Performance issues with INNODB vs MyISAM  
902
Rick James
04/28/2015 10:34AM
Why mysqlslap doesn't return the correct Benchmark time?  
1,539
Cai Vincent
04/20/2015 08:07AM
Writing at 847 MB/sec ???  
1,479
Robert Gunther
04/11/2015 05:50AM
Re: Writing at 847 MB/sec ???  
834
Rick James
04/15/2015 11:03PM
Re: Writing at 847 MB/sec ???  
817
Robert Gunther
04/17/2015 08:45AM
Re: Writing at 847 MB/sec ???  
745
Rick James
04/19/2015 01:38PM
Re: Writing at 847 MB/sec ???  
794
Robert Gunther
04/20/2015 01:00AM
Mysql is consuming xtremely high CPU above 1000%  
3,815
Eric Leung
04/11/2015 04:38PM
Re: Mysql is consuming xtremely high CPU above 1000%  
2,873
Eric Leung
04/11/2015 04:47PM
Re: Mysql is consuming xtremely high CPU above 1000%  
1,534
Rick James
04/15/2015 10:36PM
Re: Mysql is consuming xtremely high CPU above 1000%  
1,278
Eric Leung
04/16/2015 11:45AM
Re: Mysql is consuming xtremely high CPU above 1000%  
1,382
Rick James
04/17/2015 08:05PM
Re: Mysql is consuming xtremely high CPU above 1000%  
1,480
Eric Leung
04/18/2015 06:07AM
Re: Mysql is consuming xtremely high CPU above 1000%  
1,789
Rick James
04/19/2015 02:19PM
Client to server connection  
1,517
Dan Toškan
04/14/2015 12:40PM
Re: Client to server connection  
626
Peter Brawley
04/14/2015 11:18PM
Re: Client to server connection  
627
Rick James
04/17/2015 08:09PM
This topic has been moved.:  Mysql NDB Cluster  
36
SRINIVASA RAO PUJARI
04/01/2015 11:23PM
Fast way to have an inparameter match all values? (COALESCE slow)  
1,421
Ola Arwidsson
03/26/2015 06:40AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)  
862
Peter Brawley
03/26/2015 10:45AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)  
748
Ola Arwidsson
03/30/2015 01:22AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)  
827
Ola Arwidsson
03/30/2015 03:27AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)  
675
Peter Brawley
03/30/2015 11:16AM
system table space vs file per table space  
1,416
jongse park
03/27/2015 12:35AM
Re: system table space vs file per table space  
692
Rick James
03/28/2015 03:36PM
Slow COUNT + GROUP BY  
1,791
Refael Dakar
03/20/2015 07:00AM
Re: Slow COUNT + GROUP BY  
808
Jeremy Smyth
03/20/2015 07:55AM
Re: Slow COUNT + GROUP BY  
783
Refael Dakar
03/20/2015 08:00AM
Re: Slow COUNT + GROUP BY  
769
Rick James
03/22/2015 04:11PM
Re: Slow COUNT + GROUP BY  
740
Refael Dakar
03/23/2015 12:46AM
Re: Slow COUNT + GROUP BY  
1,117
Øystein Grøvlen
03/23/2015 02:45AM
Re: Slow COUNT + GROUP BY  
1,047
Matan K
03/23/2015 04:30AM
Re: Slow COUNT + GROUP BY  
932
Øystein Grøvlen
03/23/2015 06:04AM
Re: Slow COUNT + GROUP BY  
795
Matan K
03/23/2015 08:13AM
Re: Slow COUNT + GROUP BY  
797
Øystein Grøvlen
03/24/2015 02:02AM
Re: Slow COUNT + GROUP BY  
787
Matan K
03/24/2015 02:51AM
Re: Slow COUNT + GROUP BY  
812
Øystein Grøvlen
03/24/2015 03:37AM
Query Optimization Needed  
1,721
Devrishi Shandilya
02/11/2015 01:31AM
Re: Query Optimization Needed  
782
Peter Brawley
02/11/2015 12:42PM
Re: Query Optimization Needed  
881
Devrishi Shandilya
02/12/2015 03:51AM
Re: Query Optimization Needed  
807
Peter Brawley
02/12/2015 01:24PM
Re: Query Optimization Needed  
779
Devrishi Shandilya
02/13/2015 06:53AM
Re: Query Optimization Needed  
708
Peter Brawley
02/13/2015 07:36AM
Re: Query Optimization Needed  
735
Rick James
02/14/2015 01:04AM
Re: Query Optimization Needed  
803
Devrishi Shandilya
02/15/2015 11:07PM
Re: Query Optimization Needed  
819
Rick James
02/16/2015 12:15AM
Re: Query Optimization Needed  
681
Peter Brawley
03/13/2015 11:15AM
Exceedingly slow create table performance  
4,202
Ronald Van Iwaarden
03/06/2015 10:51AM
Re: Exceedingly slow create table performance  
1,686
Rick James
03/07/2015 11:03AM
Re: Exceedingly slow create table performance  
1,908
Ronald Van Iwaarden
03/09/2015 10:10AM
Left join optimization- query is very slow  
7,648
Devrishi Shandilya
03/05/2015 05:23AM
Re: Left join optimization- query is very slow  
2,242
Øystein Grøvlen
03/05/2015 09:12AM
Re: Left join optimization- query is very slow  
2,305
Rick James
03/06/2015 06:48PM
Re: Left join optimization- query is very slow  
1,567
Devrishi Shandilya
03/08/2015 11:32PM
COUNT with GROUP BY, JOIN and SUBQUERY very slow  
2,936
Anderson Scouto da Silva Dan
02/28/2015 03:15AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
2,568
Øystein Grøvlen
03/02/2015 02:05AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
1,079
Øystein Grøvlen
03/02/2015 02:13AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
1,644
Anderson Scouto da Silva Dan
03/02/2015 02:28PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
1,096
Øystein Grøvlen
03/03/2015 01:27AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
1,280
Rick James
03/02/2015 06:13PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
969
Anderson Scouto da Silva Dan
03/02/2015 07:14PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow  
1,013
Anderson Scouto da Silva Dan
03/02/2015 07:20PM
Slow performance when using LIMIT 1000  
1,757
Christian Esborg
02/25/2015 07:43AM
Re: Slow performance when using LIMIT 1000  
761
Øystein Grøvlen
02/26/2015 04:13AM
Re: Slow performance when using LIMIT 1000  
932
Rick James
02/27/2015 01:09AM
Analyse-Optimize and tablecache  
1,758
Samuel Mutel
02/16/2015 03:49AM
Re: Analyse-Optimize and tablecache  
782
Rick James
02/18/2015 03:54PM
Temp tables on Disk issue  
1,472
Devrishi Shandilya
02/15/2015 11:17PM
Re: Temp tables on Disk issue  
665
Rick James
02/16/2015 12:19AM
5.6 -> 5.7 - huge jump in memory usage, CentOS 7.  
2,024
Pól Ua Laoínecháin
02/04/2015 08:21PM
Re: 5.6 -> 5.7 - huge jump in memory usage, CentOS 7.  
870
Øystein Grøvlen
02/05/2015 01:51AM
Mysql performance between installation  
1,833
Patrick MORAND
01/16/2015 07:32AM
Re: Mysql performance between installation  
791
Rick James
01/17/2015 11:50AM
Re: Mysql performance between installation  
848
Patrick MORAND
01/19/2015 08:26AM
Re: Mysql performance between installation  
933
Rick James
01/20/2015 04:57PM
Re: Mysql performance between installation  
860
Patrick MORAND
01/21/2015 02:30AM
RAM consideration/ IO usage  
1,651
Jawahar muthukrishnan
01/13/2015 12:39PM
Re: RAM consideration/ IO usage  
1,006
Rick James
01/14/2015 01:47PM
Re: RAM consideration/ IO usage  
921
Jawahar muthukrishnan
01/15/2015 03:07PM
Re: RAM consideration/ IO usage  
1,204
Rick James
01/16/2015 02:14PM
Unusually high cpu usage  
3,033
Fabrizio Bartolomucci
01/11/2015 02:55PM
Re: Unusually high cpu usage  
1,227
Rick James
01/12/2015 09:49PM
Re: Unusually high cpu usage  
1,079
Fabrizio Bartolomucci
01/13/2015 09:32AM
Re: Unusually high cpu usage  
1,413
Fabrizio Bartolomucci
01/13/2015 11:47AM
Re: Unusually high cpu usage  
1,102
Rick James
01/13/2015 04:21PM
How To Use More Resources  
1,825
Luis Cavazos
01/07/2015 11:12AM
Re: How To Use More Resources  
782
Rick James
01/07/2015 07:14PM
Re: How To Use More Resources  
1,178
Luis Cavazos
01/07/2015 09:14PM
Re: How To Use More Resources  
1,134
Rick James
01/07/2015 11:21PM
Re: How To Use More Resources  
766
Rick James
01/07/2015 11:42PM
Re: How To Use More Resources  
819
Luis Cavazos
01/08/2015 05:48PM
Re: How To Use More Resources  
896
Rick James
01/09/2015 02:39PM
How to use performance_schema.tables  
1,685
jongse park
01/07/2015 02:05AM
Re: How to use performance_schema.tables  
845
Øystein Grøvlen
01/07/2015 03:41AM
Re: How to use performance_schema.tables  
935
Rick James
01/07/2015 05:02PM
lockfree approach to creating a single unique row without unique index  
1,735
Andrew Nuss
01/03/2015 03:43PM
Re: lockfree approach to creating a single unique row without unique index  
766
Rick James
01/05/2015 12:17AM
Re: lockfree approach to creating a single unique row without unique index  
756
Rick James
01/05/2015 11:04AM
COUNT_STAR, SUM_TIMER_WAIT  
2,112
jongse park
12/26/2014 02:08AM
Re: COUNT_STAR, SUM_TIMER_WAIT  
1,106
Øystein Grøvlen
01/05/2015 04:27AM
what does table_open_cache_overflow=0 means?  
2,140
jongse park
12/29/2014 07:42PM
Re: what does table_open_cache_overflow=0 means?  
3,633
Rick James
12/31/2014 04:59PM
innodb_buffer_pool_read_requests global status wraparound  
1,993
Wilson Hauck
11/18/2014 10:18AM
Re: innodb_buffer_pool_read_requests global status wraparound  
991
Rick James
11/18/2014 10:40PM
Re: innodb_buffer_pool_read_requests global status wraparound  
880
Wilson Hauck
11/19/2014 07:31AM
Re: innodb_buffer_pool_read_requests global status wraparound  
894
Wilson Hauck
11/19/2014 10:19AM
Re: innodb_buffer_pool_read_requests global status wraparound  
966
Rick James
12/22/2014 01:37AM
Re: innodb_buffer_pool_read_requests global status wraparound  
811
Wilson Hauck
11/19/2014 03:00PM
Re: innodb_buffer_pool_read_requests global status wraparound  
830
Wilson Hauck
12/20/2014 12:15PM
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