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Performance Schema estimates never change  
1,383
Anthony Stump
03/30/2017 10:15AM
Re: Performance Schema estimates never change  
825
Øystein Grøvlen
04/03/2017 03:01AM
Horrible MySql performance?  
1,215
Patrick Hogan
03/23/2017 10:39PM
Re: Horrible MySql performance?  
615
Peter Brawley
03/24/2017 12:52AM
Re: Horrible MySql performance?  
656
Øystein Grøvlen
03/24/2017 01:18AM
Re: Horrible MySql performance?  
709
Patrick Hogan
03/24/2017 09:18AM
Re: Horrible MySql performance?  
608
Peter Brawley
03/24/2017 09:21AM
performance_schema.events_statements_* not populating  
1,329
Ryan Streb
03/14/2017 06:23PM
Re: performance_schema.events_statements_* not populating  
799
Øystein Grøvlen
03/15/2017 02:00AM
Re: performance_schema.events_statements_* not populating  
772
Ryan Streb
03/15/2017 01:16PM
Re: performance_schema.events_statements_* not populating  
702
Ryan Streb
03/17/2017 02:26PM
Re: performance_schema.events_statements_* not populating  
787
Ryan Streb
03/15/2017 01:38PM
Big performance difference - can't find the difference (2 machines) ?  
1,402
Oliver Greil
03/15/2017 04:17AM
Re: Big performance difference - can't find the difference (2 machines) ?  
748
Benoit St-Jean
03/15/2017 11:27PM
Re: Big performance difference - can't find the difference (2 machines) ?  
710
Oliver G.
03/16/2017 07:05AM
Re: Big performance difference - can't find the difference (2 machines) ?  
651
Peter Brawley
03/17/2017 07:26AM
Single Database Vs Multiple Databases  
3,015
Atul Dixit
02/23/2017 12:44PM
Re: Single Database Vs Multiple Databases  
1,191
Øystein Grøvlen
03/01/2017 07:22AM
MySQL Performance Tuning: Optimizer Hints  
1,066
Edwin Desouza
02/04/2017 09:08PM
How to log slow DMLs  
1,344
Susan Lam
01/10/2017 04:01PM
Re: How to log slow DMLs  
612
Peter Brawley
01/10/2017 04:45PM
Re: How to log slow DMLs  
690
Susan Lam
01/10/2017 06:54PM
Improve performance when Insert into ... select ...  
1,893
Lyu Joey
12/15/2016 03:59AM
Re: Improve performance when Insert into ... select ...  
2,369
Peter Brawley
12/15/2016 10:00AM
Re: Improve performance when Insert into ... select ...  
1,320
Lyu Joey
12/15/2016 07:34PM
Re: Improve performance when Insert into ... select ...  
1,258
Lyu Joey
12/15/2016 08:08PM
Re: Improve performance when Insert into ... select ...  
1,424
Lyu Joey
12/15/2016 08:18PM
Re: Improve performance when Insert into ... select ...  
1,174
Peter Brawley
12/15/2016 09:16PM
Recent Upgrade from MySQL 5.1 to 5.5  
2,101
Alex Titley
12/07/2016 10:22AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
898
Edwin Desouza
12/07/2016 08:47PM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
891
Alex Titley
12/08/2016 05:07AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
852
Rick James
12/12/2016 02:08PM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
987
Alex Titley
12/14/2016 07:27AM
Re: Recent Upgrade from MySQL 5.1 to 5.5  
822
Peter Brawley
12/14/2016 08:56AM
Select Query and Two Tables  
1,217
Steve Royle
12/05/2016 09:43AM
Re: Select Query and Two Tables  
1,153
Peter Brawley
12/05/2016 11:01AM
Re: Select Query and Two Tables  
810
Steve Royle
12/07/2016 05:05AM
Performance issues afre upgrading to 5.7  
2,152
Alexandru Badulescu
11/24/2016 08:48AM
Re: Performance issues afre upgrading to 5.7  
1,110
Peter Brawley
11/24/2016 11:32AM
Re: Performance issues afre upgrading to 5.7  
1,084
Øystein Grøvlen
11/25/2016 07:28AM
Re: Performance issues afre upgrading to 5.7  
1,271
Øystein Grøvlen
11/25/2016 06:16AM
Re: Performance issues afre upgrading to 5.7  
962
Alexandru Badulescu
11/25/2016 06:59AM
Re: Performance issues afre upgrading to 5.7  
1,062
Øystein Grøvlen
11/25/2016 07:53AM
Re: Performance issues afre upgrading to 5.7  
1,033
Rick James
11/25/2016 08:18PM
why select @@session.tx_read_only take long time  
3,721
h h
10/31/2016 01:53AM
Re: why select @@session.tx_read_only take long time  
3,063
Rick James
11/02/2016 11:43AM
Query optimizatoin  
1,243
Syed Anjum
10/26/2016 03:32AM
Re: Query optimizatoin  
779
Øystein Grøvlen
10/26/2016 04:41AM
Writing sample data very fast from (TwinCAT) PLC to a MySQL database?  
1,794
sdgbfdsg fdhgfdhds
10/18/2016 08:14AM
Re: Writing sample data very fast from (TwinCAT) PLC to a MySQL database?  
1,612
Rick James
10/23/2016 12:08AM
How to Analyze and Tune MySQL Queries for Better Performance  
1,159
Edwin Desouza
10/21/2016 09:57AM
Locked queries  
2,264
Juan Nino
09/28/2016 06:31PM
Re: Locked queries  
1,099
Peter Brawley
09/29/2016 09:39AM
MySQL optimisation for single laptop with 16 GB RAM  
1,826
Philip Gladwin
09/08/2016 05:58AM
Re: MySQL optimisation for single laptop with 16 GB RAM  
1,016
Rick James
09/10/2016 12:17AM
Relationship between MySQL variable open_files_limit and table_open_cache  
1,764
salman khan
09/09/2016 04:34AM
Re: Relationship between MySQL variable open_files_limit and table_open_cache  
1,063
Rick James
09/10/2016 12:13AM
Millions of rows, storing aggregate/rollup results help please  
1,913
Jacqueline Jacobin
08/28/2016 12:23PM
Re: Millions of rows, storing aggregate/rollup results help please  
1,177
Rick James
08/30/2016 02:47PM
Re: Millions of rows, storing aggregate/rollup results help please  
1,064
Jacqueline Jacobin
08/31/2016 07:03AM
Re: Millions of rows, storing aggregate/rollup results help please  
991
Rick James
09/01/2016 04:35PM
Multiple indexes - how do they work?  
1,629
Rathi Rao
08/25/2016 03:51AM
Re: Multiple indexes - how do they work?  
762
Peter Brawley
08/25/2016 11:29AM
Re: Multiple indexes - how do they work?  
830
Rathi Rao
08/29/2016 03:48AM
Re: Multiple indexes - how do they work?  
839
Rick James
08/26/2016 02:20PM
Re: Multiple indexes - how do they work?  
791
Rathi Rao
08/29/2016 03:46AM
Re: Multiple indexes - how do they work?  
1,004
Øystein Grøvlen
08/29/2016 01:23AM
Re: Multiple indexes - how do they work?  
818
Rathi Rao
08/29/2016 03:45AM
Re: Multiple indexes - how do they work?  
897
Øystein Grøvlen
08/29/2016 04:17AM
Re: Multiple indexes - how do they work?  
793
Rathi Rao
08/29/2016 04:39AM
MySQL Table Valued Parameter  
5,090
tony mendoza
08/23/2016 11:29AM
Re: MySQL Table Valued Parameter  
2,030
Rick James
08/26/2016 02:17PM
Partitioned table details in the Explain Plan  
1,437
Rathi Rao
08/19/2016 01:54AM
Re: Partitioned table details in the Explain Plan  
760
Øystein Grøvlen
08/19/2016 07:00AM
Re: Partitioned table details in the Explain Plan  
813
Rick James
08/20/2016 06:10PM
Rolling unique user counts  
1,639
Paul Stam
08/09/2016 02:06AM
Re: Rolling unique user counts  
922
Rick James
08/14/2016 06:22PM
Re: Rolling unique user counts  
879
Paul Stam
08/15/2016 01:49AM
Re: Rolling unique user counts  
848
Paul Stam
08/18/2016 06:03AM
Re: Rolling unique user counts  
895
Rick James
08/18/2016 04:37PM
Wrong estimation of Rows in explain  
2,130
Rathi Rao
07/27/2016 06:19AM
Re: Wrong estimation of Rows in explain  
1,085
Peter Brawley
07/27/2016 08:55AM
Re: Wrong estimation of Rows in explain  
1,161
Rathi Rao
07/27/2016 11:58PM
Re: Wrong estimation of Rows in explain  
1,025
Peter Brawley
07/28/2016 09:14AM
Re: Wrong estimation of Rows in explain  
982
Rathi Rao
07/29/2016 05:11AM
Re: Wrong estimation of Rows in explain  
968
Peter Brawley
07/29/2016 01:10PM
Re: Wrong estimation of Rows in explain  
1,019
Rick James
07/29/2016 06:58PM
Re: Wrong estimation of Rows in explain  
950
Rathi Rao
08/02/2016 05:48AM
Re: Wrong estimation of Rows in explain  
1,009
Rick James
08/02/2016 06:23PM
Re: Wrong estimation of Rows in explain  
944
Rathi Rao
08/02/2016 05:38AM
Re: Wrong estimation of Rows in explain  
965
james wang
08/04/2016 05:31AM
30 millions reads/day  
1,372
Srinivas K
07/29/2016 05:34AM
Re: 30 millions reads/day  
877
Rick James
07/29/2016 07:03PM
Re: 30 millions reads/day  
826
james wang
08/04/2016 05:15AM
mysql commit slow,please help me  
2,101
jw maple
07/27/2016 02:11AM
Re: mysql commit slow,please help me  
1,060
Rick James
07/29/2016 05:15PM
Very slow query when too many joins  
4,604
As Os
06/05/2016 09:17AM
Re: Very slow query when too many joins  
1,731
As Os
06/05/2016 09:27AM
Re: Very slow query when too many joins  
1,528
Peter Brawley
06/05/2016 10:14AM
Re: Very slow query when too many joins  
1,355
As Os
06/05/2016 10:48AM
Re: Very slow query when too many joins  
1,358
Peter Brawley
06/05/2016 10:56AM
Re: Very slow query when too many joins  
1,360
As Os
06/05/2016 03:33PM
Re: Very slow query when too many joins  
1,182
Peter Brawley
06/05/2016 03:41PM
Re: Very slow query when too many joins  
1,251
Rick James
06/05/2016 05:36PM
Re: Very slow query when too many joins  
1,189
As Os
06/06/2016 02:23AM
Re: Very slow query when too many joins  
1,158
As Os
06/06/2016 03:33AM
Re: Very slow query when too many joins  
1,020
As Os
06/06/2016 08:36AM
Re: Very slow query when too many joins  
1,132
Peter Brawley
06/06/2016 08:52AM
Re: Very slow query when too many joins  
1,200
As Os
06/06/2016 09:02AM
Re: Very slow query when too many joins  
1,165
Peter Brawley
06/06/2016 11:16AM
Re: Very slow query when too many joins  
1,267
Peter Brawley
06/06/2016 08:29AM
Re: Very slow query when too many joins  
1,096
As Os
06/06/2016 11:30AM
Re: Very slow query when too many joins  
1,166
Peter Brawley
06/06/2016 12:08PM
Re: Very slow query when too many joins  
1,125
As Os
06/06/2016 02:11PM
Re: Very slow query when too many joins  
1,144
Rick James
06/07/2016 03:40PM
Re: Very slow query when too many joins  
1,220
james wang
07/20/2016 05:34AM
Re: Very slow query when too many joins  
1,180
Rick James
07/20/2016 09:37AM
Re: Very slow query when too many joins  
1,288
james wang
07/21/2016 04:43AM
Re: Very slow query when too many joins  
1,072
Rick James
07/22/2016 10:59PM
MySQL data volume  
1,310
Parfait Fortuné NDOLO
07/21/2016 10:21AM
Re: MySQL data volume  
783
Peter Brawley
07/21/2016 11:41PM
Re: MySQL data volume  
930
Rick James
07/22/2016 10:57PM
Query optimize on large database  
1,541
Pavel Volkov
07/13/2016 01:40AM
Re: Query optimize on large database  
943
Rick James
07/15/2016 05:12PM
Re: Query optimize on large database  
917
Pavel Volkov
07/16/2016 04:15AM
Re: Query optimize on large database  
893
Peter Brawley
07/16/2016 12:09PM
Re: Query optimize on large database  
922
Pavel Volkov
07/16/2016 12:36PM
Re: Query optimize on large database  
854
Rick James
07/16/2016 02:46PM
Re: Query optimize on large database  
944
Peter Brawley
07/17/2016 11:22AM
Re: Query optimize on large database  
890
Pavel Volkov
07/18/2016 04:28AM
Re: Query optimize on large database  
865
Peter Brawley
07/18/2016 08:40AM
Re: Query optimize on large database  
841
james wang
07/20/2016 04:46AM
Re: Query optimize on large database  
907
Pavel Volkov
07/20/2016 08:06AM
Re: Query optimize on large database  
894
Rick James
07/20/2016 09:29AM
Re: Query optimize on large database  
896
james wang
07/21/2016 04:35AM
Unexplained very bad subquery performance  
1,806
Arnaud Bertrand
07/18/2016 04:29AM
Re: Unexplained very bad subquery performance  
953
Peter Brawley
07/18/2016 08:44AM
Re: Unexplained very bad subquery performance  
1,057
Arnaud Bertrand
07/18/2016 01:06PM
Re: Unexplained very bad subquery performance  
880
Peter Brawley
07/18/2016 03:30PM
Re: Unexplained very bad subquery performance  
975
Arnaud Bertrand
07/19/2016 03:16AM
Re: Unexplained very bad subquery performance  
885
Peter Brawley
07/19/2016 04:21AM
Re: Unexplained very bad subquery performance  
901
james wang
07/20/2016 04:35AM
specify conditions from outer query on a materialized subquery  
1,293
Pratik Gandhi
07/12/2016 10:55PM
Re: specify conditions from outer query on a materialized subquery  
750
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)  
4,533
Ra Nala
06/28/2016 06:22AM
Re: count(*) or count(id)  
1,492
Ra Nala
06/28/2016 06:26AM
Re: count(*) or count(id)  
1,301
Peter Brawley
06/28/2016 05:18PM
Re: count(*) or count(id)  
1,418
Rick James
07/04/2016 01:04PM
Re: count(*) or count(id)  
1,043
Ra Nala
07/06/2016 12:30AM
CREATE INDEX Online DDL Not Working  
1,730
Jayanath Dissanayake
06/20/2016 05:02AM
Re: CREATE INDEX Online DDL Not Working  
957
Øystein Grøvlen
06/22/2016 12:43AM
Re: CREATE INDEX Online DDL Not Working  
889
Rick James
06/23/2016 07:07PM
Select random rows when using UUID  
3,059
Jonathan Keen
06/09/2016 11:43AM
Re: Select random rows when using UUID  
2,078
Rick James
06/13/2016 01:36AM
Re: Select random rows when using UUID  
1,358
Jonathan Keen
06/14/2016 11:23AM
Re: Select random rows when using UUID  
1,170
Rick James
06/18/2016 01:35AM
SQLSTATE[HY000] [1044] Access denied  
10,918
YOONTAE KIM
06/16/2016 07:55PM
Index Not being used.  
2,945
Greg Mundt
05/26/2016 02:29PM
Re: Index Not being used.  
1,341
Peter Brawley
05/26/2016 03:53PM
Re: Index Not being used.  
1,172
Øystein Grøvlen
05/27/2016 12:45AM
Re: Index Not being used.  
1,092
Greg Mundt
05/27/2016 07:05AM
Re: Index Not being used.  
1,092
Rick James
05/27/2016 11:29PM
Re: Index Not being used.  
1,204
Greg Mundt
05/31/2016 07:04AM
Re: Index Not being used.  
1,039
Rick James
05/31/2016 09:26PM
Re: Index Not being used.  
1,103
Greg Mundt
06/01/2016 05:40AM
Re: Index Not being used.  
907
Rick James
06/01/2016 11:29AM
Re: Index Not being used.  
1,147
Greg Mundt
06/01/2016 11:41AM
Re: Index Not being used.  
1,083
Rick James
06/04/2016 05:14PM
Re: Index Not being used.  
1,094
Greg Mundt
05/27/2016 10:14AM
A proposal to make disk IO much faster under SSD  
1,955
suiyemin sui
05/29/2016 09:16PM
Re: A proposal to make disk IO much faster under SSD  
1,110
Rick James
05/31/2016 09:48PM
Re: A proposal to make disk IO much faster under SSD  
1,023
suiyemin sui
06/01/2016 02:05AM
Re: A proposal to make disk IO much faster under SSD  
985
Rick James
06/04/2016 04:38PM
query taking really long time.  
1,564
Mehraz Ahmed Sheikh
05/16/2016 09:45AM
Re: query taking really long time.  
921
Rick James
05/23/2016 02:58PM
Left join vs Inner join  
2,151
Vikas Sood
05/09/2016 06:10PM
Re: Left join vs Inner join  
1,142
Øystein Grøvlen
05/10/2016 08:04AM
Re: Left join vs Inner join  
1,034
Vikas Sood
05/10/2016 10:40AM
Re: Left join vs Inner join  
1,029
Rick James
05/10/2016 07:23PM
How can I improve the import speed of a large SQL file?  
21,469
Jeff Vincent
05/06/2016 09:46AM
Re: How can I improve the import speed of a large SQL file?  
8,260
Peter Brawley
05/06/2016 11:49AM
Re: How can I improve the import speed of a large SQL file?  
5,526
Jeff Vincent
05/06/2016 12:17PM
Re: How can I improve the import speed of a large SQL file?  
5,324
Rick James
05/06/2016 05:44PM
Re: How can I improve the import speed of a large SQL file?  
4,688
Shane Bester
05/08/2016 04:49AM
text vs varchar  
2,963
hua kai
04/28/2016 08:36AM
Re: text vs varchar  
2,581
Øystein Grøvlen
04/29/2016 12:41AM
Re: text vs varchar  
1,838
Rick James
04/30/2016 11:51PM
Re: text vs varchar  
1,683
Øystein Grøvlen
05/02/2016 04:37AM
Re: text vs varchar  
1,460
hua kai
05/02/2016 09:14PM
Re: text vs varchar  
1,621
Øystein Grøvlen
05/03/2016 02:19AM
Re: text vs varchar  
2,646
hua kai
05/03/2016 04:12AM
Re: text vs varchar  
1,538
hua kai
05/02/2016 08:02PM
Re: text vs varchar  
1,751
Øystein Grøvlen
05/03/2016 02:25AM
Query with 2 x subquery  
1,872
Jes Ramsing
04/29/2016 06:44AM
Re: Query with 2 x subquery  
998
Øystein Grøvlen
04/29/2016 08:01AM
Re: Query with 2 x subquery  
1,006
Jes Ramsing
05/01/2016 11:57PM
Re: Query with 2 x subquery  
1,056
Øystein Grøvlen
05/02/2016 03:45AM
Re: Query with 2 x subquery  
1,044
Jes Ramsing
05/02/2016 05:32AM
Re: Query with 2 x subquery  
1,026
Rick James
05/01/2016 11:58PM
Re: Query with 2 x subquery  
1,072
Jes Ramsing
05/02/2016 02:16AM
Slow Query, Optimization Advice Needed  
1,783
Michael Lawson
04/26/2016 09:30AM
Re: Slow Query, Optimization Advice Needed  
913
Øystein Grøvlen
04/27/2016 01:02AM
Re: Slow Query, Optimization Advice Needed  
1,058
Michael Lawson
04/27/2016 07:20PM
Re: Slow Query, Optimization Advice Needed  
849
Peter Brawley
04/27/2016 11:28PM
Re: Slow Query, Optimization Advice Needed  
1,052
Øystein Grøvlen
04/28/2016 01:25AM
Re: Slow Query, Optimization Advice Needed  
977
Rick James
05/01/2016 11:47PM
Re: Slow Query, Optimization Advice Needed  
989
Øystein Grøvlen
05/02/2016 01:28AM
Re: Slow Query, Optimization Advice Needed  
1,013
Øystein Grøvlen
04/28/2016 01:12AM
Reg table design and query performances  
1,726
Devrishi Shandilya
04/26/2016 03:02AM
Re: Reg table design and query performances  
989
Øystein Grøvlen
04/26/2016 06:02AM
Re: Reg table design and query performances  
1,102
Devrishi Shandilya
04/26/2016 06:16AM
Re: Reg table design and query performances  
956
Øystein Grøvlen
04/26/2016 06:35AM
Re: Reg table design and query performances  
919
Devrishi Shandilya
04/26/2016 06:50AM
Re: Reg table design and query performances  
1,136
Øystein Grøvlen
04/26/2016 07:04AM
Re: Reg table design and query performances  
823
Rick James
04/30/2016 11:46PM
Re: Reg table design and query performances  
867
Øystein Grøvlen
05/02/2016 01:00AM
Memory benefits of huge pages  
5,030
Olga Turetskaya
04/30/2016 11:21AM
Re: Memory benefits of huge pages  
2,229
Rick James
05/01/2016 02:36PM
Configuration review requested  
2,300
Jens Meier
04/13/2016 11:55AM
Re: Configuration review requested  
936
Rick James
04/14/2016 01:39PM
block_ops_in and block_ops_out meaning  
5,029
hua kai
03/18/2016 02:33AM
Re: block_ops_in and block_ops_out meaning  
2,147
Rick James
03/21/2016 11:34PM
Re: block_ops_in and block_ops_out meaning  
2,148
Peter Brawley
03/22/2016 02:03AM
Re: block_ops_in and block_ops_out meaning  
2,091
hua kai
03/25/2016 12:30AM
Re: block_ops_in and block_ops_out meaning  
1,858
hua kai
04/14/2016 12:52AM
order by primary key slowly  
2,905
varky chan
04/05/2016 10:42PM
Re: order by primary key slowly  
1,311
Øystein Grøvlen
04/06/2016 04:35AM
Re: order by primary key slowly  
1,252
varky chan
04/06/2016 10:15AM
Re: order by primary key slowly  
1,277
Peter Brawley
04/06/2016 11:23AM
Re: order by primary key slowly  
1,395
varky chan
04/06/2016 08:11PM
Re: order by primary key slowly  
1,317
Peter Brawley
04/06/2016 10:35PM
Re: order by primary key slowly  
1,299
varky chan
04/07/2016 12:34AM
Re: order by primary key slowly  
3,798
Øystein Grøvlen
04/07/2016 07:21AM
Re: order by primary key slowly  
1,359
Peter Brawley
04/07/2016 10:20AM
Re: order by primary key slowly  
1,254
varky chan
04/07/2016 11:26PM
Re: order by primary key slowly  
1,372
Rick James
04/12/2016 07:42PM
Re: order by primary key slowly  
1,223
Peter Brawley
04/06/2016 08:57AM
Re: order by primary key slowly  
1,250
varky chan
04/06/2016 10:17AM
[INNODB] why there are many "waiting for table level lock"?  
1,724
HANWEN YIN
04/11/2016 12:08AM
Re: [INNODB] why there are many "waiting for table level lock"?  
1,069
Rick James
04/12/2016 07:27PM
This topic has been moved.:  MySQL optimisation for single laptop with 16 GB RAM  
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Philip Gladwin
09/08/2016 09:41AM
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