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How to Analyze and Tune MySQL Queries for Better Performance  
363
Edwin Desouza
04/27/2017 11:39AM
Performance Schema estimates never change  
486
Anthony Stump
03/30/2017 10:15AM
Re: Performance Schema estimates never change  
275
Øystein Grøvlen
04/03/2017 03:01AM
Horrible MySql performance?  
483
Patrick Hogan
03/23/2017 10:39PM
Re: Horrible MySql performance?  
282
Peter Brawley
03/24/2017 12:52AM
Re: Horrible MySql performance?  
295
Øystein Grøvlen
03/24/2017 01:18AM
Re: Horrible MySql performance?  
305
Patrick Hogan
03/24/2017 09:18AM
Re: Horrible MySql performance?  
267
Peter Brawley
03/24/2017 09:21AM
performance_schema.events_statements_* not populating  
475
Ryan Streb
03/14/2017 06:23PM
Re: performance_schema.events_statements_* not populating  
328
Øystein Grøvlen
03/15/2017 02:00AM
Re: performance_schema.events_statements_* not populating  
297
Ryan Streb
03/15/2017 01:16PM
Re: performance_schema.events_statements_* not populating  
250
Ryan Streb
03/17/2017 02:26PM
Re: performance_schema.events_statements_* not populating  
289
Ryan Streb
03/15/2017 01:38PM
Big performance difference - can't find the difference (2 machines) ?  
497
Oliver Greil
03/15/2017 04:17AM
Re: Big performance difference - can't find the difference (2 machines) ?  
319
Benoit St-Jean
03/15/2017 11:27PM
Re: Big performance difference - can't find the difference (2 machines) ?  
266
Oliver G.
03/16/2017 07:05AM
Re: Big performance difference - can't find the difference (2 machines) ?  
245
Peter Brawley
03/17/2017 07:26AM
Single Database Vs Multiple Databases  
1,192
Atul Dixit
02/23/2017 12:44PM
Re: Single Database Vs Multiple Databases  
511
Øystein Grøvlen
03/01/2017 07:22AM
MySQL Performance Tuning: Optimizer Hints  
493
Edwin Desouza
02/04/2017 09:08PM
How to log slow DMLs  
579
Susan Lam
01/10/2017 04:01PM
Re: How to log slow DMLs  
289
Peter Brawley
01/10/2017 04:45PM
Re: How to log slow DMLs  
307
Susan Lam
01/10/2017 06:54PM
Improve performance when Insert into ... select ...  
794
Lyu Joey
12/15/2016 03:59AM
Re: Improve performance when Insert into ... select ...  
834
Peter Brawley
12/15/2016 10:00AM
Re: Improve performance when Insert into ... select ...  
552
Lyu Joey
12/15/2016 07:34PM
Re: Improve performance when Insert into ... select ...  
548
Lyu Joey
12/15/2016 08:08PM
Re: Improve performance when Insert into ... select ...  
593
Lyu Joey
12/15/2016 08:18PM
Re: Improve performance when Insert into ... select ...  
533
Peter Brawley
12/15/2016 09:16PM
Recent Upgrade from MySQL 5.1 to 5.5  
672
Alex Titley
12/07/2016 10:22AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
411
Edwin Desouza
12/07/2016 08:47PM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
390
Alex Titley
12/08/2016 05:07AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
387
Rick James
12/12/2016 02:08PM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
457
Alex Titley
12/14/2016 07:27AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
443
Peter Brawley
12/14/2016 08:56AM
Select Query and Two Tables  
639
Steve Royle
12/05/2016 09:43AM
Re: Select Query and Two Tables  
740
Peter Brawley
12/05/2016 11:01AM
Re: Select Query and Two Tables  
383
Steve Royle
12/07/2016 05:05AM
Performance issues afre upgrading to 5.7  
927
Alexandru Badulescu
11/24/2016 08:48AM
Re: Performance issues afre upgrading to 5.7  
557
Peter Brawley
11/24/2016 11:32AM
Re: Performance issues afre upgrading to 5.7  
453
Øystein Grøvlen
11/25/2016 07:28AM
Re: Performance issues afre upgrading to 5.7  
574
Øystein Grøvlen
11/25/2016 06:16AM
Re: Performance issues afre upgrading to 5.7  
426
Alexandru Badulescu
11/25/2016 06:59AM
Re: Performance issues afre upgrading to 5.7  
514
Øystein Grøvlen
11/25/2016 07:53AM
Re: Performance issues afre upgrading to 5.7  
421
Rick James
11/25/2016 08:18PM
why select @@session.tx_read_only take long time  
1,512
h h
10/31/2016 01:53AM
Re: why select @@session.tx_read_only take long time  
1,356
Rick James
11/02/2016 11:43AM
Query optimizatoin  
715
Syed Anjum
10/26/2016 03:32AM
Re: Query optimizatoin  
411
Øystein Grøvlen
10/26/2016 04:41AM
Writing sample data very fast from (TwinCAT) PLC to a MySQL database?  
866
sdgbfdsg fdhgfdhds
10/18/2016 08:14AM
Re: Writing sample data very fast from (TwinCAT) PLC to a MySQL database?  
749
Rick James
10/23/2016 12:08AM
How to Analyze and Tune MySQL Queries for Better Performance  
639
Edwin Desouza
10/21/2016 09:57AM
Locked queries  
981
Juan Nino
09/28/2016 06:31PM
Re: Locked queries  
484
Peter Brawley
09/29/2016 09:39AM
MySQL optimisation for single laptop with 16 GB RAM  
903
Philip Gladwin
09/08/2016 05:58AM
Re: MySQL optimisation for single laptop with 16 GB RAM  
463
Rick James
09/10/2016 12:17AM
Relationship between MySQL variable open_files_limit and table_open_cache  
901
salman khan
09/09/2016 04:34AM
Re: Relationship between MySQL variable open_files_limit and table_open_cache  
489
Rick James
09/10/2016 12:13AM
Millions of rows, storing aggregate/rollup results help please  
958
Jacqueline Jacobin
08/28/2016 12:23PM
Re: Millions of rows, storing aggregate/rollup results help please  
610
Rick James
08/30/2016 02:47PM
Re: Millions of rows, storing aggregate/rollup results help please  
530
Jacqueline Jacobin
08/31/2016 07:03AM
Re: Millions of rows, storing aggregate/rollup results help please  
500
Rick James
09/01/2016 04:35PM
Multiple indexes - how do they work?  
783
Rathi Rao
08/25/2016 03:51AM
Re: Multiple indexes - how do they work?  
448
Peter Brawley
08/25/2016 11:29AM
Re: Multiple indexes - how do they work?  
415
Rathi Rao
08/29/2016 03:48AM
Re: Multiple indexes - how do they work?  
419
Rick James
08/26/2016 02:20PM
Re: Multiple indexes - how do they work?  
408
Rathi Rao
08/29/2016 03:46AM
Re: Multiple indexes - how do they work?  
491
Øystein Grøvlen
08/29/2016 01:23AM
Re: Multiple indexes - how do they work?  
428
Rathi Rao
08/29/2016 03:45AM
Re: Multiple indexes - how do they work?  
434
Øystein Grøvlen
08/29/2016 04:17AM
Re: Multiple indexes - how do they work?  
423
Rathi Rao
08/29/2016 04:39AM
MySQL Table Valued Parameter  
1,755
tony mendoza
08/23/2016 11:29AM
Re: MySQL Table Valued Parameter  
788
Rick James
08/26/2016 02:17PM
Partitioned table details in the Explain Plan  
761
Rathi Rao
08/19/2016 01:54AM
Re: Partitioned table details in the Explain Plan  
405
Øystein Grøvlen
08/19/2016 07:00AM
Re: Partitioned table details in the Explain Plan  
480
Rick James
08/20/2016 06:10PM
Rolling unique user counts  
731
Paul Stam
08/09/2016 02:06AM
Re: Rolling unique user counts  
448
Rick James
08/14/2016 06:22PM
Re: Rolling unique user counts  
415
Paul Stam
08/15/2016 01:49AM
Re: Rolling unique user counts  
442
Paul Stam
08/18/2016 06:03AM
Re: Rolling unique user counts  
482
Rick James
08/18/2016 04:37PM
Wrong estimation of Rows in explain  
1,018
Rathi Rao
07/27/2016 06:19AM
Re: Wrong estimation of Rows in explain  
514
Peter Brawley
07/27/2016 08:55AM
Re: Wrong estimation of Rows in explain  
559
Rathi Rao
07/27/2016 11:58PM
Re: Wrong estimation of Rows in explain  
499
Peter Brawley
07/28/2016 09:14AM
Re: Wrong estimation of Rows in explain  
491
Rathi Rao
07/29/2016 05:11AM
Re: Wrong estimation of Rows in explain  
511
Peter Brawley
07/29/2016 01:10PM
Re: Wrong estimation of Rows in explain  
485
Rick James
07/29/2016 06:58PM
Re: Wrong estimation of Rows in explain  
486
Rathi Rao
08/02/2016 05:48AM
Re: Wrong estimation of Rows in explain  
489
Rick James
08/02/2016 06:23PM
Re: Wrong estimation of Rows in explain  
492
Rathi Rao
08/02/2016 05:38AM
Re: Wrong estimation of Rows in explain  
493
james wang
08/04/2016 05:31AM
30 millions reads/day  
784
Srinivas K
07/29/2016 05:34AM
Re: 30 millions reads/day  
479
Rick James
07/29/2016 07:03PM
Re: 30 millions reads/day  
444
james wang
08/04/2016 05:15AM
mysql commit slow,please help me  
1,109
jw maple
07/27/2016 02:11AM
Re: mysql commit slow,please help me  
610
Rick James
07/29/2016 05:15PM
Very slow query when too many joins  
1,794
As Os
06/05/2016 09:17AM
Re: Very slow query when too many joins  
809
As Os
06/05/2016 09:27AM
Re: Very slow query when too many joins  
734
Peter Brawley
06/05/2016 10:14AM
Re: Very slow query when too many joins  
664
As Os
06/05/2016 10:48AM
Re: Very slow query when too many joins  
706
Peter Brawley
06/05/2016 10:56AM
Re: Very slow query when too many joins  
607
As Os
06/05/2016 03:33PM
Re: Very slow query when too many joins  
629
Peter Brawley
06/05/2016 03:41PM
Re: Very slow query when too many joins  
667
Rick James
06/05/2016 05:36PM
Re: Very slow query when too many joins  
654
As Os
06/06/2016 02:23AM
Re: Very slow query when too many joins  
600
As Os
06/06/2016 03:33AM
Re: Very slow query when too many joins  
572
As Os
06/06/2016 08:36AM
Re: Very slow query when too many joins  
542
Peter Brawley
06/06/2016 08:52AM
Re: Very slow query when too many joins  
632
As Os
06/06/2016 09:02AM
Re: Very slow query when too many joins  
590
Peter Brawley
06/06/2016 11:16AM
Re: Very slow query when too many joins  
600
Peter Brawley
06/06/2016 08:29AM
Re: Very slow query when too many joins  
591
As Os
06/06/2016 11:30AM
Re: Very slow query when too many joins  
627
Peter Brawley
06/06/2016 12:08PM
Re: Very slow query when too many joins  
592
As Os
06/06/2016 02:11PM
Re: Very slow query when too many joins  
621
Rick James
06/07/2016 03:40PM
Re: Very slow query when too many joins  
615
james wang
07/20/2016 05:34AM
Re: Very slow query when too many joins  
555
Rick James
07/20/2016 09:37AM
Re: Very slow query when too many joins  
576
james wang
07/21/2016 04:43AM
Re: Very slow query when too many joins  
554
Rick James
07/22/2016 10:59PM
MySQL data volume  
814
Parfait Fortuné NDOLO
07/21/2016 10:21AM
Re: MySQL data volume  
507
Peter Brawley
07/21/2016 11:41PM
Re: MySQL data volume  
501
Rick James
07/22/2016 10:57PM
Query optimize on large database  
857
Pavel Volkov
07/13/2016 01:40AM
Re: Query optimize on large database  
495
Rick James
07/15/2016 05:12PM
Re: Query optimize on large database  
479
Pavel Volkov
07/16/2016 04:15AM
Re: Query optimize on large database  
463
Peter Brawley
07/16/2016 12:09PM
Re: Query optimize on large database  
502
Pavel Volkov
07/16/2016 12:36PM
Re: Query optimize on large database  
460
Rick James
07/16/2016 02:46PM
Re: Query optimize on large database  
509
Peter Brawley
07/17/2016 11:22AM
Re: Query optimize on large database  
474
Pavel Volkov
07/18/2016 04:28AM
Re: Query optimize on large database  
443
Peter Brawley
07/18/2016 08:40AM
Re: Query optimize on large database  
456
james wang
07/20/2016 04:46AM
Re: Query optimize on large database  
461
Pavel Volkov
07/20/2016 08:06AM
Re: Query optimize on large database  
468
Rick James
07/20/2016 09:29AM
Re: Query optimize on large database  
487
james wang
07/21/2016 04:35AM
Unexplained very bad subquery performance  
781
Arnaud Bertrand
07/18/2016 04:29AM
Re: Unexplained very bad subquery performance  
454
Peter Brawley
07/18/2016 08:44AM
Re: Unexplained very bad subquery performance  
556
Arnaud Bertrand
07/18/2016 01:06PM
Re: Unexplained very bad subquery performance  
447
Peter Brawley
07/18/2016 03:30PM
Re: Unexplained very bad subquery performance  
509
Arnaud Bertrand
07/19/2016 03:16AM
Re: Unexplained very bad subquery performance  
431
Peter Brawley
07/19/2016 04:21AM
Re: Unexplained very bad subquery performance  
441
james wang
07/20/2016 04:35AM
specify conditions from outer query on a materialized subquery  
690
Pratik Gandhi
07/12/2016 10:55PM
Re: specify conditions from outer query on a materialized subquery  
408
Rick James
07/15/2016 05:15PM
This topic has been moved.:  GOT PACKETS OUT OF ORDER  
12
Jeisson Sierra
07/11/2016 07:48PM
count(*) or count(id)  
1,633
Ra Nala
06/28/2016 06:22AM
Re: count(*) or count(id)  
610
Ra Nala
06/28/2016 06:26AM
Re: count(*) or count(id)  
525
Peter Brawley
06/28/2016 05:18PM
Re: count(*) or count(id)  
625
Rick James
07/04/2016 01:04PM
Re: count(*) or count(id)  
509
Ra Nala
07/06/2016 12:30AM
CREATE INDEX Online DDL Not Working  
883
Jayanath Dissanayake
06/20/2016 05:02AM
Re: CREATE INDEX Online DDL Not Working  
491
Øystein Grøvlen
06/22/2016 12:43AM
Re: CREATE INDEX Online DDL Not Working  
504
Rick James
06/23/2016 07:07PM
Select random rows when using UUID  
1,282
Jonathan Keen
06/09/2016 11:43AM
Re: Select random rows when using UUID  
616
Rick James
06/13/2016 01:36AM
Re: Select random rows when using UUID  
687
Jonathan Keen
06/14/2016 11:23AM
Re: Select random rows when using UUID  
553
Rick James
06/18/2016 01:35AM
SQLSTATE[HY000] [1044] Access denied  
4,353
YOONTAE KIM
06/16/2016 07:55PM
Index Not being used.  
1,589
Greg Mundt
05/26/2016 02:29PM
Re: Index Not being used.  
736
Peter Brawley
05/26/2016 03:53PM
Re: Index Not being used.  
615
Øystein Grøvlen
05/27/2016 12:45AM
Re: Index Not being used.  
581
Greg Mundt
05/27/2016 07:05AM
Re: Index Not being used.  
522
Rick James
05/27/2016 11:29PM
Re: Index Not being used.  
661
Greg Mundt
05/31/2016 07:04AM
Re: Index Not being used.  
543
Rick James
05/31/2016 09:26PM
Re: Index Not being used.  
606
Greg Mundt
06/01/2016 05:40AM
Re: Index Not being used.  
463
Rick James
06/01/2016 11:29AM
Re: Index Not being used.  
543
Greg Mundt
06/01/2016 11:41AM
Re: Index Not being used.  
550
Rick James
06/04/2016 05:14PM
Re: Index Not being used.  
613
Greg Mundt
05/27/2016 10:14AM
A proposal to make disk IO much faster under SSD  
1,051
suiyemin sui
05/29/2016 09:16PM
Re: A proposal to make disk IO much faster under SSD  
617
Rick James
05/31/2016 09:48PM
Re: A proposal to make disk IO much faster under SSD  
578
suiyemin sui
06/01/2016 02:05AM
Re: A proposal to make disk IO much faster under SSD  
512
Rick James
06/04/2016 04:38PM
query taking really long time.  
869
Mehraz Ahmed Sheikh
05/16/2016 09:45AM
Re: query taking really long time.  
484
Rick James
05/23/2016 02:58PM
Left join vs Inner join  
1,129
Vikas Sood
05/09/2016 06:10PM
Re: Left join vs Inner join  
578
Øystein Grøvlen
05/10/2016 08:04AM
Re: Left join vs Inner join  
526
Vikas Sood
05/10/2016 10:40AM
Re: Left join vs Inner join  
530
Rick James
05/10/2016 07:23PM
How can I improve the import speed of a large SQL file?  
9,666
Jeff Vincent
05/06/2016 09:46AM
Re: How can I improve the import speed of a large SQL file?  
4,226
Peter Brawley
05/06/2016 11:49AM
Re: How can I improve the import speed of a large SQL file?  
2,876
Jeff Vincent
05/06/2016 12:17PM
Re: How can I improve the import speed of a large SQL file?  
2,661
Rick James
05/06/2016 05:44PM
Re: How can I improve the import speed of a large SQL file?  
2,268
Shane Bester
05/08/2016 04:49AM
text vs varchar  
1,104
hua kai
04/28/2016 08:36AM
Re: text vs varchar  
693
Øystein Grøvlen
04/29/2016 12:41AM
Re: text vs varchar  
632
Rick James
04/30/2016 11:51PM
Re: text vs varchar  
618
Øystein Grøvlen
05/02/2016 04:37AM
Re: text vs varchar  
578
hua kai
05/02/2016 09:14PM
Re: text vs varchar  
571
Øystein Grøvlen
05/03/2016 02:19AM
Re: text vs varchar  
1,160
hua kai
05/03/2016 04:12AM
Re: text vs varchar  
564
hua kai
05/02/2016 08:02PM
Re: text vs varchar  
725
Øystein Grøvlen
05/03/2016 02:25AM
Query with 2 x subquery  
939
Jes Ramsing
04/29/2016 06:44AM
Re: Query with 2 x subquery  
544
Øystein Grøvlen
04/29/2016 08:01AM
Re: Query with 2 x subquery  
514
Jes Ramsing
05/01/2016 11:57PM
Re: Query with 2 x subquery  
502
Øystein Grøvlen
05/02/2016 03:45AM
Re: Query with 2 x subquery  
497
Jes Ramsing
05/02/2016 05:32AM
Re: Query with 2 x subquery  
500
Rick James
05/01/2016 11:58PM
Re: Query with 2 x subquery  
551
Jes Ramsing
05/02/2016 02:16AM
Slow Query, Optimization Advice Needed  
997
Michael Lawson
04/26/2016 09:30AM
Re: Slow Query, Optimization Advice Needed  
514
Øystein Grøvlen
04/27/2016 01:02AM
Re: Slow Query, Optimization Advice Needed  
596
Michael Lawson
04/27/2016 07:20PM
Re: Slow Query, Optimization Advice Needed  
473
Peter Brawley
04/27/2016 11:28PM
Re: Slow Query, Optimization Advice Needed  
506
Øystein Grøvlen
04/28/2016 01:25AM
Re: Slow Query, Optimization Advice Needed  
496
Rick James
05/01/2016 11:47PM
Re: Slow Query, Optimization Advice Needed  
507
Øystein Grøvlen
05/02/2016 01:28AM
Re: Slow Query, Optimization Advice Needed  
535
Øystein Grøvlen
04/28/2016 01:12AM
Reg table design and query performances  
934
Devrishi Shandilya
04/26/2016 03:02AM
Re: Reg table design and query performances  
513
Øystein Grøvlen
04/26/2016 06:02AM
Re: Reg table design and query performances  
623
Devrishi Shandilya
04/26/2016 06:16AM
Re: Reg table design and query performances  
513
Øystein Grøvlen
04/26/2016 06:35AM
Re: Reg table design and query performances  
495
Devrishi Shandilya
04/26/2016 06:50AM
Re: Reg table design and query performances  
494
Øystein Grøvlen
04/26/2016 07:04AM
Re: Reg table design and query performances  
470
Rick James
04/30/2016 11:46PM
Re: Reg table design and query performances  
452
Øystein Grøvlen
05/02/2016 01:00AM
Memory benefits of huge pages  
2,293
Olga Turetskaya
04/30/2016 11:21AM
Re: Memory benefits of huge pages  
1,117
Rick James
05/01/2016 02:36PM
Configuration review requested  
1,280
Jens Meier
04/13/2016 11:55AM
Re: Configuration review requested  
542
Rick James
04/14/2016 01:39PM
block_ops_in and block_ops_out meaning  
1,997
hua kai
03/18/2016 02:33AM
Re: block_ops_in and block_ops_out meaning  
932
Rick James
03/21/2016 11:34PM
Re: block_ops_in and block_ops_out meaning  
949
Peter Brawley
03/22/2016 02:03AM
Re: block_ops_in and block_ops_out meaning  
936
hua kai
03/25/2016 12:30AM
Re: block_ops_in and block_ops_out meaning  
886
hua kai
04/14/2016 12:52AM
order by primary key slowly  
1,227
varky chan
04/05/2016 10:42PM
Re: order by primary key slowly  
540
Øystein Grøvlen
04/06/2016 04:35AM
Re: order by primary key slowly  
559
varky chan
04/06/2016 10:15AM
Re: order by primary key slowly  
578
Peter Brawley
04/06/2016 11:23AM
Re: order by primary key slowly  
630
varky chan
04/06/2016 08:11PM
Re: order by primary key slowly  
541
Peter Brawley
04/06/2016 10:35PM
Re: order by primary key slowly  
553
varky chan
04/07/2016 12:34AM
Re: order by primary key slowly  
654
Øystein Grøvlen
04/07/2016 07:21AM
Re: order by primary key slowly  
586
Peter Brawley
04/07/2016 10:20AM
Re: order by primary key slowly  
546
varky chan
04/07/2016 11:26PM
Re: order by primary key slowly  
563
Rick James
04/12/2016 07:42PM
Re: order by primary key slowly  
545
Peter Brawley
04/06/2016 08:57AM
Re: order by primary key slowly  
533
varky chan
04/06/2016 10:17AM
This topic has been moved.:  MySQL optimisation for single laptop with 16 GB RAM  
0
Philip Gladwin
09/08/2016 09:41AM
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