Skip navigation links

MySQL Forums :: Performance


Advanced Search

Announcements Last Post
MySQL Connector/J 5.1.36 has been released 07/03/2015 11:48AM
MySQL Cluster Manager 1.3.6 has been released 07/02/2015 01:08AM
MySQL Enterprise Monitor 3.0.22 has been released 07/01/2015 07:16PM
MySQL Enterprise Backup 3.12.1 has been released 06/29/2015 10:28AM
MySQL Workbench 6.3.4 GA has been released 06/15/2015 08:04AM
Pages:  1 2 3 4 5 ...Last Next
Current Page: 1 of 70
Subject Views Written By Posted
Sticky:  MySQL 5.7: includes SYS Schema (metrics, instumentation) (1 Posts)   289 Edwin Desouza 04/10/2015 02:40PM
Sticky:  MySQL Performance Tuning: Deep Dive (1 Posts)   492 Edwin Desouza 02/27/2015 08:09PM
Sticky:  MySQL Workbench: Performance Dashboard (1 Posts)   1,228 Edwin Desouza 04/01/2014 08:21AM
Sticky:  MySQL 5.7 DMR: Performance Benchmarks - 1Mil QPS (1 Posts)   2,105 Edwin Desouza 09/21/2013 11:11AM
Sticky:  MySQL 5.6: Performance Benchmarks (1 Posts)   2,739 Edwin Desouza 02/12/2013 06:11PM
Sticky:  Finding/killing long running InnoDB transactions (1 Posts)   5,174 Edwin DeSouza 08/04/2011 09:09AM
Sticky:  MySQL Performance Schema: A Big Bag of Epic Awesomeness (1 Posts)   10,640 Edwin DeSouza 02/05/2009 07:25PM
Sticky:  MySQL Performance Tuning: Benchmarks, Best Practices, FAQs (1 Posts)   162,147 Edwin DeSouza 05/25/2006 10:50AM
5.5: UPDATE massively slower than SELECT. Both affect zero rows.   182 Andy Theuninck 05/21/2015 10:09AM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.   58 Øystein Grøvlen 05/22/2015 02:19AM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.   66 Andy Theuninck 05/22/2015 08:15AM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.   29 Rick James 06/06/2015 12:30PM
Re: 5.5: UPDATE massively slower than SELECT. Both affect zero rows.   13 Chandan Kumar 06/26/2015 08:24AM
Performance Issue for select query   125 amar singh chawan 06/08/2015 04:58AM
Re: Performance Issue for select query   29 Rick James 06/09/2015 11:42PM
Best Training Institute for Mysql performace tuning and Database scalabulity   84 amar singh chawan 06/07/2015 11:42PM
Is ORDER BY RAND() LIMIT 1 optimized?   160 Markus M. 05/27/2015 05:40PM
Re: Is ORDER BY RAND() LIMIT 1 optimized?   47 Øystein Grøvlen 05/28/2015 02:18AM
Re: Is ORDER BY RAND() LIMIT 1 optimized?   40 Markus M. 05/28/2015 07:22AM
Re: Is ORDER BY RAND() LIMIT 1 optimized?   42 Øystein Grøvlen 05/28/2015 07:49AM
Re: Is ORDER BY RAND() LIMIT 1 optimized?   29 Rick James 06/06/2015 12:16PM
Strange behavior of MySQL server   149 Deepak Itkar 05/27/2015 07:33AM
Re: Strange behavior of MySQL server   28 Rick James 06/06/2015 11:51AM
heavy read workload with high cpu usage   134 kim alex 05/28/2015 04:37AM
Re: heavy read workload with high cpu usage   28 Rick James 06/04/2015 08:35AM
query performance on partitioning table   198 sixin yang 05/12/2015 09:00AM
Re: query performance on partitioning table   65 Rick James 05/16/2015 11:49PM
Re: query performance on partitioning table   50 sixin yang 05/18/2015 08:30AM
Re: query performance on partitioning table   32 Rick James 06/04/2015 08:22AM
Avoid subquery   188 Wolfgang Jacques 05/12/2015 08:40AM
Re: Avoid subquery   54 Peter Brawley 05/12/2015 11:06AM
Re: Avoid subquery   54 Wolfgang Jacques 05/12/2015 01:29PM
Re: Avoid subquery   55 Peter Brawley 05/12/2015 01:41PM
Re: Avoid subquery   55 Rick James 05/17/2015 12:11AM
MYSQL Table Optimization   164 Yudhveer Kandukuri 05/13/2015 09:53PM
Re: MYSQL Table Optimization   54 Rick James 05/15/2015 11:02AM
Slow query   242 Manu Swami 04/21/2015 11:15AM
Re: Slow query   84 Maulik Parekh 04/22/2015 07:17AM
Re: Slow query   66 Rick James 04/22/2015 07:05PM
Re: Slow query   90 Manu Swami 04/23/2015 11:42PM
Re: Slow query   81 Manu Swami 04/23/2015 11:55PM
Re: Slow query   74 Rick James 04/24/2015 05:22PM
Re: Slow query   70 Manu Swami 04/25/2015 02:31AM
Re: Slow query   74 Manu Swami 04/25/2015 02:41AM
Re: Slow query   85 Manu Swami 04/25/2015 05:22AM
Re: Slow query   80 Rick James 04/25/2015 10:42PM
Re: Slow query   57 Øystein Grøvlen 05/13/2015 03:30AM
Re: Slow query   71 Manu Swami 04/28/2015 03:40AM
CPU usage extremely high   241 Temu Kinn 04/28/2015 08:55AM
Re: CPU usage extremely high   104 Temu Kinn 04/28/2015 09:03AM
Re: CPU usage extremely high   104 Rick James 04/29/2015 05:43PM
Re: CPU usage extremely high   75 Temu Kinn 05/09/2015 07:22AM
Re: CPU usage extremely high   76 Temu Kinn 05/09/2015 07:38AM
Re: CPU usage extremely high   71 Rick James 05/11/2015 06:30PM
Mysql indexes weird behavior   164 Nikhil Khekade 05/02/2015 02:17AM
Re: Mysql indexes weird behavior   63 Rick James 05/03/2015 06:21PM
slow query sorting result - sending data   242 Hugo Rodriguez 04/28/2015 07:27PM
Re: slow query sorting result - sending data   88 Peter Brawley 04/28/2015 10:38PM
Re: slow query sorting result - sending data   78 Rick James 05/01/2015 10:08PM
PROFILING   232 Khurram Naseem 04/27/2015 04:26AM
Re: PROFILING   69 Rick James 04/29/2015 06:53PM
Query time difference   197 Ofer Bechar 04/26/2015 07:28AM
Re: Query time difference   65 Rick James 04/27/2015 02:39PM
Re: Query time difference   76 Ofer Bechar 04/27/2015 11:29PM
Re: Query time difference   61 Rick James 04/29/2015 05:50PM
Performance issues with INNODB vs MyISAM   418 Milovan Krivokapic 04/17/2015 01:20PM
Re: Performance issues with INNODB vs MyISAM   129 Rick James 04/19/2015 01:22PM
Re: Performance issues with INNODB vs MyISAM   99 Milovan Krivokapic 04/27/2015 11:15AM
Re: Performance issues with INNODB vs MyISAM   84 Rick James 04/28/2015 10:34AM
Why mysqlslap doesn't return the correct Benchmark time?   231 Cai Vincent 04/20/2015 08:07AM
Writing at 847 MB/sec ???   259 Robert Gunther 04/11/2015 05:50AM
Re: Writing at 847 MB/sec ???   98 Rick James 04/15/2015 11:03PM
Re: Writing at 847 MB/sec ???   96 Robert Gunther 04/17/2015 08:45AM
Re: Writing at 847 MB/sec ???   78 Rick James 04/19/2015 01:38PM
Re: Writing at 847 MB/sec ???   80 Robert Gunther 04/20/2015 01:00AM
Mysql is consuming xtremely high CPU above 1000%   277 Eric Leung 04/11/2015 04:38PM
Re: Mysql is consuming xtremely high CPU above 1000%   150 Eric Leung 04/11/2015 04:47PM
Re: Mysql is consuming xtremely high CPU above 1000%   118 Rick James 04/15/2015 10:36PM
Re: Mysql is consuming xtremely high CPU above 1000%   119 Eric Leung 04/16/2015 11:45AM
Re: Mysql is consuming xtremely high CPU above 1000%   116 Rick James 04/17/2015 08:05PM
Re: Mysql is consuming xtremely high CPU above 1000%   127 Eric Leung 04/18/2015 06:07AM
Re: Mysql is consuming xtremely high CPU above 1000%   139 Rick James 04/19/2015 02:19PM
Client to server connection   237 Dan Toškan 04/14/2015 12:40PM
Re: Client to server connection   92 Peter Brawley 04/14/2015 11:18PM
Re: Client to server connection   80 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)   324 Ola Arwidsson 03/26/2015 06:40AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)   127 Peter Brawley 03/26/2015 10:45AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)   119 Ola Arwidsson 03/30/2015 01:22AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)   113 Ola Arwidsson 03/30/2015 03:27AM
Re: Fast way to have an inparameter match all values? (COALESCE slow)   129 Peter Brawley 03/30/2015 11:16AM
system table space vs file per table space   246 jongse park 03/27/2015 12:35AM
Re: system table space vs file per table space   113 Rick James 03/28/2015 03:36PM
Slow COUNT + GROUP BY   376 Refael Dakar 03/20/2015 07:00AM
Re: Slow COUNT + GROUP BY   154 Jeremy Smyth 03/20/2015 07:55AM
Re: Slow COUNT + GROUP BY   150 Refael Dakar 03/20/2015 08:00AM
Re: Slow COUNT + GROUP BY   144 Rick James 03/22/2015 04:11PM
Re: Slow COUNT + GROUP BY   158 Refael Dakar 03/23/2015 12:46AM
Re: Slow COUNT + GROUP BY   153 Øystein Grøvlen 03/23/2015 02:45AM
Re: Slow COUNT + GROUP BY   136 Matan K 03/23/2015 04:30AM
Re: Slow COUNT + GROUP BY   154 Øystein Grøvlen 03/23/2015 06:04AM
Re: Slow COUNT + GROUP BY   134 Matan K 03/23/2015 08:13AM
Re: Slow COUNT + GROUP BY   133 Øystein Grøvlen 03/24/2015 02:02AM
Re: Slow COUNT + GROUP BY   130 Matan K 03/24/2015 02:51AM
Re: Slow COUNT + GROUP BY   145 Øystein Grøvlen 03/24/2015 03:37AM
Query Optimization Needed   399 Devrishi Shandilya 02/11/2015 01:31AM
Re: Query Optimization Needed   180 Peter Brawley 02/11/2015 12:42PM
Re: Query Optimization Needed   180 Devrishi Shandilya 02/12/2015 03:51AM
Re: Query Optimization Needed   166 Peter Brawley 02/12/2015 01:24PM
Re: Query Optimization Needed   207 Devrishi Shandilya 02/13/2015 06:53AM
Re: Query Optimization Needed   157 Peter Brawley 02/13/2015 07:36AM
Re: Query Optimization Needed   161 Rick James 02/14/2015 01:04AM
Re: Query Optimization Needed   159 Devrishi Shandilya 02/15/2015 11:07PM
Re: Query Optimization Needed   158 Rick James 02/16/2015 12:15AM
Re: Query Optimization Needed   125 Peter Brawley 03/13/2015 11:15AM
Exceedingly slow create table performance   333 Ronald Van Iwaarden 03/06/2015 10:51AM
Re: Exceedingly slow create table performance   152 Rick James 03/07/2015 11:03AM
Re: Exceedingly slow create table performance   129 Ronald Van Iwaarden 03/09/2015 10:10AM
Left join optimization- query is very slow   424 Devrishi Shandilya 03/05/2015 05:23AM
Re: Left join optimization- query is very slow   198 Øystein Grøvlen 03/05/2015 09:12AM
Re: Left join optimization- query is very slow   246 Rick James 03/06/2015 06:48PM
Re: Left join optimization- query is very slow   174 Devrishi Shandilya 03/08/2015 11:32PM
COUNT with GROUP BY, JOIN and SUBQUERY very slow   457 Anderson Scouto da Silva Dan 02/28/2015 03:15AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   167 Øystein Grøvlen 03/02/2015 02:05AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   168 Øystein Grøvlen 03/02/2015 02:13AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   157 Anderson Scouto da Silva Dan 03/02/2015 02:28PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   170 Øystein Grøvlen 03/03/2015 01:27AM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   156 Rick James 03/02/2015 06:13PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   147 Anderson Scouto da Silva Dan 03/02/2015 07:14PM
Re: COUNT with GROUP BY, JOIN and SUBQUERY very slow   154 Anderson Scouto da Silva Dan 03/02/2015 07:20PM
Slow performance when using LIMIT 1000   318 Christian Esborg 02/25/2015 07:43AM
Re: Slow performance when using LIMIT 1000   146 Øystein Grøvlen 02/26/2015 04:13AM
Re: Slow performance when using LIMIT 1000   146 Rick James 02/27/2015 01:09AM
Analyse-Optimize and tablecache   394 Samuel Mutel 02/16/2015 03:49AM
Re: Analyse-Optimize and tablecache   149 Rick James 02/18/2015 03:54PM
Temp tables on Disk issue   387 Devrishi Shandilya 02/15/2015 11:17PM
Re: Temp tables on Disk issue   160 Rick James 02/16/2015 12:19AM
5.6 -> 5.7 - huge jump in memory usage, CentOS 7.   447 Pól Ua Laoínecháin 02/04/2015 08:21PM
Re: 5.6 -> 5.7 - huge jump in memory usage, CentOS 7.   192 Øystein Grøvlen 02/05/2015 01:51AM
Mysql performance between installation   449 Patrick MORAND 01/16/2015 07:32AM
Re: Mysql performance between installation   192 Rick James 01/17/2015 11:50AM
Re: Mysql performance between installation   179 Patrick MORAND 01/19/2015 08:26AM
Re: Mysql performance between installation   198 Rick James 01/20/2015 04:57PM
Re: Mysql performance between installation   180 Patrick MORAND 01/21/2015 02:30AM
RAM consideration/ IO usage   442 Jawahar muthukrishnan 01/13/2015 12:39PM
Re: RAM consideration/ IO usage   224 Rick James 01/14/2015 01:47PM
Re: RAM consideration/ IO usage   200 Jawahar muthukrishnan 01/15/2015 03:07PM
Re: RAM consideration/ IO usage   227 Rick James 01/16/2015 02:14PM
Unusually high cpu usage   634 Fabrizio Bartolomucci 01/11/2015 02:55PM
Re: Unusually high cpu usage   268 Rick James 01/12/2015 09:49PM
Re: Unusually high cpu usage   248 Fabrizio Bartolomucci 01/13/2015 09:32AM
Re: Unusually high cpu usage   299 Fabrizio Bartolomucci 01/13/2015 11:47AM
Re: Unusually high cpu usage   254 Rick James 01/13/2015 04:21PM
How To Use More Resources   492 Luis Cavazos 01/07/2015 11:12AM
Re: How To Use More Resources   200 Rick James 01/07/2015 07:14PM
Re: How To Use More Resources   250 Luis Cavazos 01/07/2015 09:14PM
Re: How To Use More Resources   239 Rick James 01/07/2015 11:21PM
Re: How To Use More Resources   207 Rick James 01/07/2015 11:42PM
Re: How To Use More Resources   195 Luis Cavazos 01/08/2015 05:48PM
Re: How To Use More Resources   209 Rick James 01/09/2015 02:39PM
How to use performance_schema.tables   429 jongse park 01/07/2015 02:05AM
Re: How to use performance_schema.tables   200 Øystein Grøvlen 01/07/2015 03:41AM
Re: How to use performance_schema.tables   208 Rick James 01/07/2015 05:02PM
lockfree approach to creating a single unique row without unique index   435 Andrew Nuss 01/03/2015 03:43PM
Re: lockfree approach to creating a single unique row without unique index   207 Rick James 01/05/2015 12:17AM
Re: lockfree approach to creating a single unique row without unique index   208 Rick James 01/05/2015 11:04AM
COUNT_STAR, SUM_TIMER_WAIT   490 jongse park 12/26/2014 02:08AM
Re: COUNT_STAR, SUM_TIMER_WAIT   203 Øystein Grøvlen 01/05/2015 04:27AM
what does table_open_cache_overflow=0 means?   512 jongse park 12/29/2014 07:42PM
Re: what does table_open_cache_overflow=0 means?   338 Rick James 12/31/2014 04:59PM
innodb_buffer_pool_read_requests global status wraparound   645 Wilson Hauck 11/18/2014 10:18AM
Re: innodb_buffer_pool_read_requests global status wraparound   315 Rick James 11/18/2014 10:40PM
Re: innodb_buffer_pool_read_requests global status wraparound   302 Wilson Hauck 11/19/2014 07:31AM
Re: innodb_buffer_pool_read_requests global status wraparound   247 Wilson Hauck 11/19/2014 10:19AM
Re: innodb_buffer_pool_read_requests global status wraparound   243 Rick James 12/22/2014 01:37AM
Re: innodb_buffer_pool_read_requests global status wraparound   245 Wilson Hauck 11/19/2014 03:00PM
Re: innodb_buffer_pool_read_requests global status wraparound   203 Wilson Hauck 12/20/2014 12:15PM
25.000+ rows - MySQL SELECT consecutive numbers performance issue   590 Daniel Negoita 12/12/2014 08:55AM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue   312 Daniel Negoita 12/12/2014 09:18AM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue   258 Peter Brawley 12/12/2014 12:18PM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue   304 Rick James 12/14/2014 01:42PM
Re: 25.000+ rows - MySQL SELECT consecutive numbers performance issue   315 Peter Brawley 12/14/2014 04:19PM
innodb_checksum_algorithm stic_crc32 is slow response   559 Ankur Kaushik 12/08/2014 04:29AM
Re: innodb_checksum_algorithm stic_crc32 is slow response   317 Ankur Kaushik 12/08/2014 04:32AM
Re: innodb_checksum_algorithm stic_crc32 is slow response   290 Øystein Grøvlen 12/08/2014 05:45AM
Re: innodb_checksum_algorithm stic_crc32 is slow response   276 Rick James 12/08/2014 10:52AM
Re: innodb_checksum_algorithm stic_crc32 is slow response   244 Ankur Kaushik 12/09/2014 06:44AM
Re: innodb_checksum_algorithm stic_crc32 is slow response   249 Rick James 12/09/2014 03:34PM
Re: innodb_checksum_algorithm stic_crc32 is slow response   265 Ankur Kaushik 12/13/2014 08:47PM
Re: innodb_checksum_algorithm stic_crc32 is slow response   239 Ankur Kaushik 12/13/2014 08:49PM
Re: innodb_checksum_algorithm stic_crc32 is slow response   263 Rick James 12/14/2014 11:51AM
UPDATE .. WHERE or INSERT .. ON DUPLICATE KEY UPDATE?   707 Daniel Chiaramello 12/04/2014 05:05AM
Re: UPDATE .. WHERE or INSERT .. ON DUPLICATE KEY UPDATE?   373 Rick James 12/06/2014 02:40PM
Write Operations very slow in InnoDB engine when compared to MyIsam   557 MURALI NARAYANASWAMY 11/28/2014 07:07AM
Re: Write Operations very slow in InnoDB engine when compared to MyIsam   227 Rick James 11/28/2014 06:59PM
Cardinality Problem   568 Katja Kahl 11/26/2014 06:53AM
Re: Cardinality Problem   232 Peter Brawley 11/26/2014 12:03PM
Re: Cardinality Problem   228 Katja Kahl 11/27/2014 03:08AM
Re: Cardinality Problem   219 Rick James 11/28/2014 06:56PM
Reduce the Query Execution Time Between MYSQL & VC++   728 saraswathi srinath 11/12/2014 05:01AM
Re: Reduce the Query Execution Time Between MYSQL & VC++   310 Rick James 11/13/2014 06:50PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   280 saraswathi srinath 11/13/2014 10:29PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   328 Rick James 11/14/2014 07:55PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   299 saraswathi srinath 11/14/2014 10:33PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   353 Rick James 11/15/2014 08:43PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   313 saraswathi srinath 11/16/2014 10:19PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   301 saraswathi srinath 11/16/2014 10:37PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   257 Rick James 11/17/2014 08:06PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   282 saraswathi srinath 11/19/2014 11:09PM
Re: Reduce the Query Execution Time Between MYSQL & VC++   270 Rick James 11/20/2014 07:59PM
Which server hardware would you pick?   655 Robert Gunther 11/14/2014 08:24PM
Re: Which server hardware would you pick?   337 Rick James 11/15/2014 08:46PM
Re: Which server hardware would you pick?   251 Robert Gunther 11/16/2014 06:25PM
Re: Which server hardware would you pick?   252 Rick James 11/17/2014 03:42PM
Re: Which server hardware would you pick?   254 Robert Gunther 11/18/2014 09:08AM
Re: Which server hardware would you pick?   242 Rick James 11/19/2014 05:02PM
MySQL query execution time differs between executions   695 Ofer Bechar 11/16/2014 09:49AM
Re: MySQL query execution time differs between executions   339 Peter Brawley 11/16/2014 12:19PM
Re: MySQL query execution time differs between executions   272 Rick James 11/16/2014 03:24PM
Re: MySQL query execution time differs between executions   306 Ofer Bechar 11/17/2014 02:57AM
Re: MySQL query execution time differs between executions   278 Rick James 11/17/2014 04:09PM
Re: MySQL query execution time differs between executions   289 Ofer Bechar 11/17/2014 02:30AM
Why INSERT performance has not increase in sub-table?   683 Yao Yao 11/03/2014 03:02AM
Re: Why INSERT performance has not increase in sub-table?   298 Dexter Yao 11/03/2014 09:07AM
Re: Why INSERT performance has not increase in sub-table?   273 Rick James 11/03/2014 09:31AM
Re: Why INSERT performance has not increase in sub-table?   258 Dexter Yao 11/03/2014 11:56AM
Re: Why INSERT performance has not increase in sub-table?   259 Rick James 11/03/2014 01:12PM
Re: Why INSERT performance has not increase in sub-table?   287 Dexter Yao 11/03/2014 09:43PM
Re: Why INSERT performance has not increase in sub-table?   281 Rick James 11/04/2014 08:57AM
Re: Why INSERT performance has not increase in sub-table?   254 Dexter Yao 11/05/2014 04:39AM
Pages:  1 2 3 4 5 ...Last Next
Current Page: 1 of 70

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.