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Database is slow  
741
Jaya Karthik Reddy Karri
08/11/2017 08:31AM
High memory usage on mysql 5.7.18  
4,435
Zubair Suri
07/21/2017 08:05AM
Re: High memory usage on mysql 5.7.18  
1,365
Peter Brawley
07/21/2017 06:16PM
Re: High memory usage on mysql 5.7.18  
1,203
Zubair Suri
07/24/2017 04:51PM
Re: High memory usage on mysql 5.7.18  
953
Peter Brawley
07/24/2017 05:55PM
Re: High memory usage on mysql 5.7.18  
1,289
Zubair Suri
07/24/2017 09:32PM
Re: High memory usage on mysql 5.7.18  
1,310
Peter Brawley
07/31/2017 08:46AM
Re: High memory usage on mysql 5.7.18  
977
Peter Bukaowski
07/31/2017 04:03AM
Re: High memory usage on mysql 5.7.18  
1,469
Shrinivasa rao
08/06/2017 09:57AM
Re: High memory usage on mysql 5.7.18  
912
Peter Brawley
08/06/2017 10:01AM
MySQL 8.0.2 More Flexible InnoDB Undo Tablespace Management  
509
Edwin Desouza
07/31/2017 08:40AM
Join by date range unacceptably slow  
796
Ed Trembicki-Guy
05/15/2017 02:48PM
Re: Join by date range unacceptably slow  
444
Peter Brawley
05/15/2017 05:55PM
Re: Join by date range unacceptably slow  
1,055
Øystein Grøvlen
05/16/2017 01:49AM
Re: Join by date range unacceptably slow  
511
Ed Trembicki-Guy
05/18/2017 07:32AM
Re: Join by date range unacceptably slow  
419
Øystein Grøvlen
05/19/2017 03:15AM
Re: Join by date range unacceptably slow  
479
Ed Trembicki-Guy
07/13/2017 10:07AM
Re: Join by date range unacceptably slow  
369
Øystein Grøvlen
07/19/2017 05:12AM
Oder by DESC on Indexed Column Extremely Slow  
578
Nithya Kodithuwakku Ranadeerage
06/08/2017 11:34PM
Re: Oder by DESC on Indexed Column Extremely Slow  
319
Øystein Grøvlen
06/13/2017 05:20AM
Problem Using mysqlslap  
701
Brian Keith
05/22/2017 03:10AM
Re: Problem Using mysqlslap  
383
Peter Brawley
05/22/2017 09:16AM
Best performance stucture  
544
Romain MARCHAND
05/18/2017 02:37AM
"Sending Data" is taking time post migration from 5.1 to 5.6  
891
Aldrin Davis
03/10/2017 02:41AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
523
Peter Brawley
03/10/2017 12:47PM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
475
SAIKIRAN CHEVITI
03/14/2017 06:40AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
522
Peter Brawley
03/14/2017 09:42AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
1,193
SAIKIRAN CHEVITI
03/15/2017 08:50AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
663
Peter Brawley
03/15/2017 12:43PM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
669
SAIKIRAN CHEVITI
03/16/2017 02:32AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
581
Peter Brawley
03/16/2017 05:52AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
530
SAI KIRAN
03/17/2017 12:08AM
Re: "Sending Data" is taking time post migration from 5.1 to 5.6  
485
SAI KIRAN
05/17/2017 01:48AM
Each morning some SQLs are very slow  
722
lisheng1 zhang1
05/08/2017 03:43PM
Re: Each morning some SQLs are very slow  
346
Peter Brawley
05/08/2017 06:30PM
Re: Each morning some SQLs are very slow  
413
Øystein Grøvlen
05/09/2017 12:13AM
Re: Each morning some SQLs are very slow  
379
lisheng1 zhang1
05/09/2017 02:17PM
Re: Each morning some SQLs are very slow  
412
Øystein Grøvlen
05/10/2017 08:10AM
Re: Each morning some SQLs are very slow  
320
lisheng1 zhang1
05/10/2017 02:40PM
mysql inserting performance is slow  
878
jief llefe
05/03/2017 09:08PM
Re: mysql inserting performance is slow  
460
jief llefe
05/03/2017 09:20PM
Re: mysql inserting performance is slow  
422
Øystein Grøvlen
05/08/2017 04:41AM
Re: mysql inserting performance is slow  
424
Benoit St-Jean
05/05/2017 12:05AM
long running, can't get to use index  
771
Eric Peterson
03/24/2017 10:10AM
Re: long running, can't get to use index  
411
Peter Brawley
03/24/2017 10:32AM
Re: long running, can't get to use index  
423
Eric Peterson
03/24/2017 10:41AM
Re: long running, can't get to use index  
387
Peter Brawley
03/27/2017 10:39AM
Re: long running, can't get to use index  
424
Øystein Grøvlen
03/27/2017 02:04AM
Re: long running, can't get to use index  
439
Eric Peterson
04/03/2017 10:34AM
Re: long running, can't get to use index  
441
Peter Brawley
04/03/2017 12:08PM
Re: long running, can't get to use index  
389
Benoit St-Jean
05/06/2017 07:36PM
MYSQL Update performance  
1,120
sree iyer
04/24/2017 02:11PM
Re: MYSQL Update performance  
537
Peter Brawley
04/24/2017 04:05PM
Re: MYSQL Update performance  
650
sree iyer
05/01/2017 08:50AM
Re: MYSQL Update performance  
577
Peter Brawley
05/01/2017 10:18AM
Re: MYSQL Update performance  
567
sree iyer
05/01/2017 10:45AM
Re: MYSQL Update performance  
555
Peter Brawley
05/01/2017 12:58PM
Re: MYSQL Update performance  
1,063
sree iyer
05/01/2017 01:11PM
Re: MYSQL Update performance  
479
Peter Brawley
05/01/2017 01:55PM
How to Analyze and Tune MySQL Queries for Better Performance  
580
Edwin Desouza
04/27/2017 11:39AM
Performance Schema estimates never change  
1,005
Anthony Stump
03/30/2017 10:15AM
Re: Performance Schema estimates never change  
550
Øystein Grøvlen
04/03/2017 03:01AM
Horrible MySql performance?  
854
Patrick Hogan
03/23/2017 10:39PM
Re: Horrible MySql performance?  
417
Peter Brawley
03/24/2017 12:52AM
Re: Horrible MySql performance?  
458
Øystein Grøvlen
03/24/2017 01:18AM
Re: Horrible MySql performance?  
481
Patrick Hogan
03/24/2017 09:18AM
Re: Horrible MySql performance?  
404
Peter Brawley
03/24/2017 09:21AM
performance_schema.events_statements_* not populating  
768
Ryan Streb
03/14/2017 06:23PM
Re: performance_schema.events_statements_* not populating  
509
Øystein Grøvlen
03/15/2017 02:00AM
Re: performance_schema.events_statements_* not populating  
471
Ryan Streb
03/15/2017 01:16PM
Re: performance_schema.events_statements_* not populating  
428
Ryan Streb
03/17/2017 02:26PM
Re: performance_schema.events_statements_* not populating  
519
Ryan Streb
03/15/2017 01:38PM
Big performance difference - can't find the difference (2 machines) ?  
886
Oliver Greil
03/15/2017 04:17AM
Re: Big performance difference - can't find the difference (2 machines) ?  
499
Benoit St-Jean
03/15/2017 11:27PM
Re: Big performance difference - can't find the difference (2 machines) ?  
480
Oliver G.
03/16/2017 07:05AM
Re: Big performance difference - can't find the difference (2 machines) ?  
436
Peter Brawley
03/17/2017 07:26AM
Single Database Vs Multiple Databases  
2,152
Atul Dixit
02/23/2017 12:44PM
Re: Single Database Vs Multiple Databases  
853
Øystein Grøvlen
03/01/2017 07:22AM
MySQL Performance Tuning: Optimizer Hints  
703
Edwin Desouza
02/04/2017 09:08PM
How to log slow DMLs  
888
Susan Lam
01/10/2017 04:01PM
Re: How to log slow DMLs  
402
Peter Brawley
01/10/2017 04:45PM
Re: How to log slow DMLs  
450
Susan Lam
01/10/2017 06:54PM
Improve performance when Insert into ... select ...  
1,258
Lyu Joey
12/15/2016 03:59AM
Re: Improve performance when Insert into ... select ...  
1,908
Peter Brawley
12/15/2016 10:00AM
Re: Improve performance when Insert into ... select ...  
978
Lyu Joey
12/15/2016 07:34PM
Re: Improve performance when Insert into ... select ...  
958
Lyu Joey
12/15/2016 08:08PM
Re: Improve performance when Insert into ... select ...  
1,042
Lyu Joey
12/15/2016 08:18PM
Re: Improve performance when Insert into ... select ...  
846
Peter Brawley
12/15/2016 09:16PM
Recent Upgrade from MySQL 5.1 to 5.5  
1,615
Alex Titley
12/07/2016 10:22AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
574
Edwin Desouza
12/07/2016 08:47PM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
579
Alex Titley
12/08/2016 05:07AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
554
Rick James
12/12/2016 02:08PM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
670
Alex Titley
12/14/2016 07:27AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
586
Peter Brawley
12/14/2016 08:56AM
Select Query and Two Tables  
858
Steve Royle
12/05/2016 09:43AM
Re: Select Query and Two Tables  
950
Peter Brawley
12/05/2016 11:01AM
Re: Select Query and Two Tables  
555
Steve Royle
12/07/2016 05:05AM
Performance issues afre upgrading to 5.7  
1,352
Alexandru Badulescu
11/24/2016 08:48AM
Re: Performance issues afre upgrading to 5.7  
751
Peter Brawley
11/24/2016 11:32AM
Re: Performance issues afre upgrading to 5.7  
712
Øystein Grøvlen
11/25/2016 07:28AM
Re: Performance issues afre upgrading to 5.7  
812
Øystein Grøvlen
11/25/2016 06:16AM
Re: Performance issues afre upgrading to 5.7  
600
Alexandru Badulescu
11/25/2016 06:59AM
Re: Performance issues afre upgrading to 5.7  
726
Øystein Grøvlen
11/25/2016 07:53AM
Re: Performance issues afre upgrading to 5.7  
639
Rick James
11/25/2016 08:18PM
why select @@session.tx_read_only take long time  
2,476
h h
10/31/2016 01:53AM
Re: why select @@session.tx_read_only take long time  
2,337
Rick James
11/02/2016 11:43AM
Query optimizatoin  
947
Syed Anjum
10/26/2016 03:32AM
Re: Query optimizatoin  
573
Øystein Grøvlen
10/26/2016 04:41AM
Writing sample data very fast from (TwinCAT) PLC to a MySQL database?  
1,319
sdgbfdsg fdhgfdhds
10/18/2016 08:14AM
Re: Writing sample data very fast from (TwinCAT) PLC to a MySQL database?  
1,107
Rick James
10/23/2016 12:08AM
How to Analyze and Tune MySQL Queries for Better Performance  
866
Edwin Desouza
10/21/2016 09:57AM
Locked queries  
1,682
Juan Nino
09/28/2016 06:31PM
Re: Locked queries  
701
Peter Brawley
09/29/2016 09:39AM
MySQL optimisation for single laptop with 16 GB RAM  
1,320
Philip Gladwin
09/08/2016 05:58AM
Re: MySQL optimisation for single laptop with 16 GB RAM  
709
Rick James
09/10/2016 12:17AM
Relationship between MySQL variable open_files_limit and table_open_cache  
1,282
salman khan
09/09/2016 04:34AM
Re: Relationship between MySQL variable open_files_limit and table_open_cache  
692
Rick James
09/10/2016 12:13AM
Millions of rows, storing aggregate/rollup results help please  
1,346
Jacqueline Jacobin
08/28/2016 12:23PM
Re: Millions of rows, storing aggregate/rollup results help please  
865
Rick James
08/30/2016 02:47PM
Re: Millions of rows, storing aggregate/rollup results help please  
738
Jacqueline Jacobin
08/31/2016 07:03AM
Re: Millions of rows, storing aggregate/rollup results help please  
693
Rick James
09/01/2016 04:35PM
Multiple indexes - how do they work?  
1,144
Rathi Rao
08/25/2016 03:51AM
Re: Multiple indexes - how do they work?  
567
Peter Brawley
08/25/2016 11:29AM
Re: Multiple indexes - how do they work?  
557
Rathi Rao
08/29/2016 03:48AM
Re: Multiple indexes - how do they work?  
580
Rick James
08/26/2016 02:20PM
Re: Multiple indexes - how do they work?  
563
Rathi Rao
08/29/2016 03:46AM
Re: Multiple indexes - how do they work?  
712
Øystein Grøvlen
08/29/2016 01:23AM
Re: Multiple indexes - how do they work?  
598
Rathi Rao
08/29/2016 03:45AM
Re: Multiple indexes - how do they work?  
638
Øystein Grøvlen
08/29/2016 04:17AM
Re: Multiple indexes - how do they work?  
573
Rathi Rao
08/29/2016 04:39AM
MySQL Table Valued Parameter  
3,692
tony mendoza
08/23/2016 11:29AM
Re: MySQL Table Valued Parameter  
1,500
Rick James
08/26/2016 02:17PM
Partitioned table details in the Explain Plan  
1,025
Rathi Rao
08/19/2016 01:54AM
Re: Partitioned table details in the Explain Plan  
554
Øystein Grøvlen
08/19/2016 07:00AM
Re: Partitioned table details in the Explain Plan  
640
Rick James
08/20/2016 06:10PM
Rolling unique user counts  
1,079
Paul Stam
08/09/2016 02:06AM
Re: Rolling unique user counts  
613
Rick James
08/14/2016 06:22PM
Re: Rolling unique user counts  
566
Paul Stam
08/15/2016 01:49AM
Re: Rolling unique user counts  
593
Paul Stam
08/18/2016 06:03AM
Re: Rolling unique user counts  
644
Rick James
08/18/2016 04:37PM
Wrong estimation of Rows in explain  
1,605
Rathi Rao
07/27/2016 06:19AM
Re: Wrong estimation of Rows in explain  
782
Peter Brawley
07/27/2016 08:55AM
Re: Wrong estimation of Rows in explain  
818
Rathi Rao
07/27/2016 11:58PM
Re: Wrong estimation of Rows in explain  
745
Peter Brawley
07/28/2016 09:14AM
Re: Wrong estimation of Rows in explain  
704
Rathi Rao
07/29/2016 05:11AM
Re: Wrong estimation of Rows in explain  
737
Peter Brawley
07/29/2016 01:10PM
Re: Wrong estimation of Rows in explain  
704
Rick James
07/29/2016 06:58PM
Re: Wrong estimation of Rows in explain  
697
Rathi Rao
08/02/2016 05:48AM
Re: Wrong estimation of Rows in explain  
723
Rick James
08/02/2016 06:23PM
Re: Wrong estimation of Rows in explain  
696
Rathi Rao
08/02/2016 05:38AM
Re: Wrong estimation of Rows in explain  
718
james wang
08/04/2016 05:31AM
30 millions reads/day  
1,004
Srinivas K
07/29/2016 05:34AM
Re: 30 millions reads/day  
667
Rick James
07/29/2016 07:03PM
Re: 30 millions reads/day  
585
james wang
08/04/2016 05:15AM
mysql commit slow,please help me  
1,681
jw maple
07/27/2016 02:11AM
Re: mysql commit slow,please help me  
797
Rick James
07/29/2016 05:15PM
Very slow query when too many joins  
3,492
As Os
06/05/2016 09:17AM
Re: Very slow query when too many joins  
1,346
As Os
06/05/2016 09:27AM
Re: Very slow query when too many joins  
1,167
Peter Brawley
06/05/2016 10:14AM
Re: Very slow query when too many joins  
1,031
As Os
06/05/2016 10:48AM
Re: Very slow query when too many joins  
1,050
Peter Brawley
06/05/2016 10:56AM
Re: Very slow query when too many joins  
937
As Os
06/05/2016 03:33PM
Re: Very slow query when too many joins  
903
Peter Brawley
06/05/2016 03:41PM
Re: Very slow query when too many joins  
939
Rick James
06/05/2016 05:36PM
Re: Very slow query when too many joins  
937
As Os
06/06/2016 02:23AM
Re: Very slow query when too many joins  
865
As Os
06/06/2016 03:33AM
Re: Very slow query when too many joins  
787
As Os
06/06/2016 08:36AM
Re: Very slow query when too many joins  
806
Peter Brawley
06/06/2016 08:52AM
Re: Very slow query when too many joins  
900
As Os
06/06/2016 09:02AM
Re: Very slow query when too many joins  
894
Peter Brawley
06/06/2016 11:16AM
Re: Very slow query when too many joins  
939
Peter Brawley
06/06/2016 08:29AM
Re: Very slow query when too many joins  
856
As Os
06/06/2016 11:30AM
Re: Very slow query when too many joins  
891
Peter Brawley
06/06/2016 12:08PM
Re: Very slow query when too many joins  
851
As Os
06/06/2016 02:11PM
Re: Very slow query when too many joins  
886
Rick James
06/07/2016 03:40PM
Re: Very slow query when too many joins  
884
james wang
07/20/2016 05:34AM
Re: Very slow query when too many joins  
817
Rick James
07/20/2016 09:37AM
Re: Very slow query when too many joins  
814
james wang
07/21/2016 04:43AM
Re: Very slow query when too many joins  
811
Rick James
07/22/2016 10:59PM
MySQL data volume  
1,005
Parfait Fortuné NDOLO
07/21/2016 10:21AM
Re: MySQL data volume  
641
Peter Brawley
07/21/2016 11:41PM
Re: MySQL data volume  
712
Rick James
07/22/2016 10:57PM
Query optimize on large database  
1,154
Pavel Volkov
07/13/2016 01:40AM
Re: Query optimize on large database  
686
Rick James
07/15/2016 05:12PM
Re: Query optimize on large database  
638
Pavel Volkov
07/16/2016 04:15AM
Re: Query optimize on large database  
630
Peter Brawley
07/16/2016 12:09PM
Re: Query optimize on large database  
680
Pavel Volkov
07/16/2016 12:36PM
Re: Query optimize on large database  
643
Rick James
07/16/2016 02:46PM
Re: Query optimize on large database  
686
Peter Brawley
07/17/2016 11:22AM
Re: Query optimize on large database  
666
Pavel Volkov
07/18/2016 04:28AM
Re: Query optimize on large database  
630
Peter Brawley
07/18/2016 08:40AM
Re: Query optimize on large database  
622
james wang
07/20/2016 04:46AM
Re: Query optimize on large database  
681
Pavel Volkov
07/20/2016 08:06AM
Re: Query optimize on large database  
641
Rick James
07/20/2016 09:29AM
Re: Query optimize on large database  
668
james wang
07/21/2016 04:35AM
Unexplained very bad subquery performance  
1,213
Arnaud Bertrand
07/18/2016 04:29AM
Re: Unexplained very bad subquery performance  
621
Peter Brawley
07/18/2016 08:44AM
Re: Unexplained very bad subquery performance  
731
Arnaud Bertrand
07/18/2016 01:06PM
Re: Unexplained very bad subquery performance  
616
Peter Brawley
07/18/2016 03:30PM
Re: Unexplained very bad subquery performance  
738
Arnaud Bertrand
07/19/2016 03:16AM
Re: Unexplained very bad subquery performance  
612
Peter Brawley
07/19/2016 04:21AM
Re: Unexplained very bad subquery performance  
605
james wang
07/20/2016 04:35AM
specify conditions from outer query on a materialized subquery  
948
Pratik Gandhi
07/12/2016 10:55PM
Re: specify conditions from outer query on a materialized subquery  
536
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)  
3,097
Ra Nala
06/28/2016 06:22AM
Re: count(*) or count(id)  
1,036
Ra Nala
06/28/2016 06:26AM
Re: count(*) or count(id)  
838
Peter Brawley
06/28/2016 05:18PM
Re: count(*) or count(id)  
969
Rick James
07/04/2016 01:04PM
Re: count(*) or count(id)  
751
Ra Nala
07/06/2016 12:30AM
CREATE INDEX Online DDL Not Working  
1,153
Jayanath Dissanayake
06/20/2016 05:02AM
Re: CREATE INDEX Online DDL Not Working  
690
Øystein Grøvlen
06/22/2016 12:43AM
Re: CREATE INDEX Online DDL Not Working  
644
Rick James
06/23/2016 07:07PM
Select random rows when using UUID  
1,945
Jonathan Keen
06/09/2016 11:43AM
Re: Select random rows when using UUID  
929
Rick James
06/13/2016 01:36AM
Re: Select random rows when using UUID  
978
Jonathan Keen
06/14/2016 11:23AM
Re: Select random rows when using UUID  
846
Rick James
06/18/2016 01:35AM
SQLSTATE[HY000] [1044] Access denied  
8,483
YOONTAE KIM
06/16/2016 07:55PM
Index Not being used.  
2,372
Greg Mundt
05/26/2016 02:29PM
Re: Index Not being used.  
1,050
Peter Brawley
05/26/2016 03:53PM
Re: Index Not being used.  
879
Øystein Grøvlen
05/27/2016 12:45AM
Re: Index Not being used.  
801
Greg Mundt
05/27/2016 07:05AM
Re: Index Not being used.  
753
Rick James
05/27/2016 11:29PM
Re: Index Not being used.  
888
Greg Mundt
05/31/2016 07:04AM
Re: Index Not being used.  
757
Rick James
05/31/2016 09:26PM
Re: Index Not being used.  
813
Greg Mundt
06/01/2016 05:40AM
Re: Index Not being used.  
619
Rick James
06/01/2016 11:29AM
Re: Index Not being used.  
800
Greg Mundt
06/01/2016 11:41AM
Re: Index Not being used.  
768
Rick James
06/04/2016 05:14PM
Re: Index Not being used.  
825
Greg Mundt
05/27/2016 10:14AM
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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