pgsql-performance since 2007-06-27 00:00

Discussion of PostgreSQL's performance issues. Please see Guide to reporting problems and Slow Query Questions for some tips on how to write your performance question.

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June 27, 2007

Thread Author Time
rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 15:17
Re: PostgreSQL Configuration Tool for Dummies Josh Berkus 18:02
Re: Volunteer to build a configuration tool Josh Berkus 23:19

June 28, 2007

Thread Author Time
High IOWAIT times, low iops? Need Help with configuration Evan Reiser 00:38
update query taking too long Chris 05:03
Re: update query taking too long A. Kretschmer 05:37
Re: update query taking too long Tom Lane 05:41
Re: update query taking too long Chris 06:16
Re: update query taking too long Chris 06:20
Re: update query taking too long A. Kretschmer 06:28
Re: update query taking too long Chris 06:37
Re: update query taking too long Richard Huxton 06:39
Re: update query taking too long Chris 06:49
PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 06:54
Re: update query taking too long Richard Huxton 07:02
Re: High IOWAIT times, low iops? Need Help with configuration Richard Huxton 07:17
Re: PostgreSQL 8.0 occasionally slow down Andreas Kostyrka 07:17
Re: PostgreSQL 8.0 occasionally slow down Richard Huxton 07:22
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 08:01
Re: PostgreSQL 8.0 occasionally slow down Richard Huxton 08:03
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 08:17
Re: update query taking too long Chris 08:18
Re: PostgreSQL 8.0 occasionally slow down Richard Huxton 09:16
Re: update query taking too long Jean-David Beyer 11:44
Re: update query taking too long Heikki Linnakangas 12:01
Re: update query taking too long Richard Huxton 12:03
Re: High IOWAIT times, low iops? Need Help with configuration Evan Reiser 13:17
Re: High IOWAIT times, low iops? Need Help with configuration Greg Smith 13:39
Re: PostgreSQL 8.0 occasionally slow down Greg Smith 13:52
Re: PostgreSQL 8.0 occasionally slow down Gregory Stark 14:16
Re: PostgreSQL 8.0 occasionally slow down Kevin Grittner 14:19
Re: rtree/gist index taking enormous amount of space in 8.2.3 Tom Lane 16:08
How to install Postgresql 8.2.x on windows XP silently Sachchida Ojha 19:09
Re: How to install Postgresql 8.2.x on windows XP silently Magnus Hagander 19:44

June 29, 2007

Thread Author Time
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 02:04
Re: PostgreSQL 8.0 occasionally slow down Richard Huxton 09:21
Re: PostgreSQL 8.0 occasionally slow down Alvaro Herrera 13:33
Re: rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 13:51
Re: rtree/gist index taking enormous amount of space in 8.2.3 Craig James 16:14
Re: rtree/gist index taking enormous amount of space in 8.2.3 Tom Lane 17:57
Re: rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 18:05
Re: rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 18:13
Re: rtree/gist index taking enormous amount of space in 8.2.3 Tom Lane 18:30
Re: rtree/gist index taking enormous amount of space in 8.2.3 Tom Lane 18:38
Re: rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 18:44
Re: rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 19:40
Re: Ed Tyrrill 21:01

July 2, 2007

Thread Author Time
[PERFORMANCE] is it possible to force an index to be held in memory? valgog 10:04
slow query Vidhya Bondre 10:07
Re: slow query Nis Jørgensen 13:20
Re: PostgreSQL 8.0 occasionally slow down Greg Smith 22:21
Join with lower/upper limits doesn't scale well Craig James 23:30

July 3, 2007

Thread Author Time
Re: Join with lower/upper limits doesn't scale well Gregory Stark 00:04
Delete Cascade FK speed issue Patric de Waha 06:05
Re: Delete Cascade FK speed issue Michael Fuhr 11:33
Filesystem Direct I/O and WAL sync option Dimitri 14:54
Re: Filesystem Direct I/O and WAL sync option Heikki Linnakangas 15:06
Re: Filesystem Direct I/O and WAL sync option Dimitri 15:26
Re: Delete Cascade FK speed issue Mark Lewis 16:01
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 17:03
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 17:07
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 17:14
Re: PostgreSQL 8.0 occasionally slow down Ho Fat Tsang 17:21
Query is taking 5 HOURS to Complete on 8.1 version smiley2211 17:25
Re: Query is taking 5 HOURS to Complete on 8.1 version Bill Moran 17:32
Re: Query is taking 5 HOURS to Complete on 8.1 version smiley2211 18:55
Re: Query is taking 5 HOURS to Complete on 8.1 version Richard Huxton 19:18
Re: Query is taking 5 HOURS to Complete on 8.1 version smiley2211 19:23
Re: Query is taking 5 HOURS to Complete on 8.1 version Chris Hoover 20:16
Re: Query is taking 5 HOURS to Complete on 8.1 version smiley2211 20:18
Re: Query is taking 5 HOURS to Complete on 8.1 version Richard Huxton 20:27
Re: Query is taking 5 HOURS to Complete on 8.1 version Richard Huxton 20:28

July 4, 2007

Thread Author Time
Re: Filesystem Direct I/O and WAL sync option Gregory Stark 01:13
Re: Delete Cascade FK speed issue Axel Rau 07:30
Re: Filesystem Direct I/O and WAL sync option Dimitri 10:26
Re: Filesystem Direct I/O and WAL sync option Gregory Stark 10:45

July 5, 2007

Thread Author Time
Re: PostgreSQL Configuration Tool for Dummies Magnus Hagander 05:15
Re: Filesystem Direct I/O and WAL sync option Dimitri 12:01
improvement suggestions for performance design tfinneid 12:15
Re: improvement suggestions for performance design Heikki Linnakangas 12:59
Re: improvement suggestions for performance design tfinneid 13:35
Re: improvement suggestions for performance design Y Sidhu 14:57
Re: improvement suggestions for performance design tfinneid 15:49
Re: improvement suggestions for performance design Y Sidhu 16:10
Re: Query is taking 5 HOURS to Complete on 8.1 version smiley2211 17:49
Re: Query is taking 5 HOURS to Complete on 8.1 version Alvaro Herrera 18:05
Re: improvement suggestions for performance design Heikki Linnakangas 18:39
Re: improvement suggestions for performance design Thomas Finneid 22:23

July 6, 2007

Thread Author Time
Direct I/O lai yoke hman 02:28
Performance of PostgreSQL and Oracle lai yoke hman 02:44
Re: Performance of PostgreSQL and Oracle Tom Lane 03:59
Re: PostgreSQL Configuration Tool for Dummies Harald Armin Massa 04:25
Re: improvement suggestions for performance design Kalle Hallivuori 11:30
Re: Direct I/O Alvaro Herrera 14:40
Advice about how to delete Arnau 14:42
Re: Advice about how to delete Michael Glaesemann 15:04
Re: Advice about how to delete Arnau 15:56
Re: Direct I/O Jignesh K. Shah 16:03
Re: Advice about how to delete Heikki Linnakangas 16:18

July 8, 2007

Thread Author Time
Re: improvement suggestions for performance design Thomas Finneid 10:06
Re: improvement suggestions for performance design Kalle Hallivuori 16:25

July 9, 2007

Thread Author Time
PostgreSQL publishes first real benchmark Jignesh K. Shah 15:57
Re: PostgreSQL publishes first real benchmark Jonah H. Harris 16:21
Re: PostgreSQL publishes first real benchmark Heikki Linnakangas 16:27
Re: PostgreSQL publishes first real benchmark Joshua D. Drake 16:27
Re: PostgreSQL publishes first real benchmark Steinar H. Gunderson 16:52
Re: PostgreSQL publishes first real benchmark Joshua D. Drake 17:02
Re: PostgreSQL publishes first real benchmark Jignesh K. Shah 17:48
Re: PostgreSQL publishes first real benchmark Magnus Hagander 18:23
Re: PostgreSQL publishes first real benchmark Vivek Khera 18:38
Re: PostgreSQL publishes first real benchmark Greg Smith 18:55
Re: PostgreSQL publishes first real benchmark Jonah H. Harris 19:04
Re: PostgreSQL publishes first real benchmark Joshua D. Drake 19:17
Re: PostgreSQL publishes first real benchmark Jonah H. Harris 19:17
Re: Filesystem Direct I/O and WAL sync option Jim C. Nasby 20:32
Re: Filesystem Direct I/O and WAL sync option Jonah H. Harris 20:46
Re: PostgreSQL publishes first real benchmark Jim C. Nasby 20:53
Re: rtree/gist index taking enormous amount of space in 8.2.3 Dolafi, Tom 21:48

July 10, 2007

Thread Author Time
Re: PostgreSQL publishes first real benchmark Heiko W.Rupp 08:00
Re: Filesystem Direct I/O and WAL sync option Dimitri 12:53
Query Analyser Gauri Kanekar 14:47
tuning a function to insert/retrieve values from a reference table Marc Mamin 15:03
Re: tuning a function to insert/retrieve values from a reference table Tom Lane 15:41

July 11, 2007

Thread Author Time
Equivalent queries produce different plans Craig James 00:53
Re: Equivalent queries produce different plans Craig James 01:06
Re: Equivalent queries produce different plans Tom Lane 01:25
best use of an EMC SAN Dave Cramer 13:03
Re: best use of an EMC SAN Dan Gorman 13:18
Re: best use of an EMC SAN Gregory Stark 14:05
Re: Query Analyser Michael Fuhr 14:05
Re: best use of an EMC SAN Dave Cramer 14:14
Re: PostgreSQL publishes first real benchmark Philippe Amelant 14:16
Re: best use of an EMC SAN Cott Lang 14:40
WALL on controller without battery? Francisco Reyes 14:48
TIMING A QUERY ??? smiley2211 15:21
Weird row estimate Marc Cousin 15:28
Re: best use of an EMC SAN Andrew Sullivan 15:33
Two questions.. shared_buffers and long reader issue Patric de Waha 15:35
Re: WALL on controller without battery? Andrew Sullivan 15:36
Re: TIMING A QUERY ??? Andrew Sullivan 15:39
Re: WALL on controller without battery? Alan Hodgson 15:47
Re: PostgreSQL publishes first real benchmark Jignesh K. Shah 15:48
Re: Two questions.. shared_buffers and long reader issue Bryan Murphy 15:51
Re: PostgreSQL publishes first real benchmark Heikki Linnakangas 15:59
Re: TIMING A QUERY ??? Tom Lane 16:10
Re: TIMING A QUERY ??? Gregory Stark 16:11
Re: PostgreSQL publishes first real benchmark Jignesh K. Shah 16:33
Re: PostgreSQL publishes first real benchmark 📎 André Gomes Lamas Otero 16:37
Re: Two questions.. shared_buffers and long reader issue Tom Lane 16:57
Re: Two questions.. shared_buffers and long reader issue Andrew Sullivan 16:58
Re: TIMING A QUERY ??? Andrew Sullivan 17:01
Re: PostgreSQL publishes first real benchmark Tom Lane 17:07
Re: best use of an EMC SAN Chris Browne 17:39
Re: best use of an EMC SAN Jim Nasby 17:58
Re: best use of an EMC SAN Andrew Sullivan 18:27
Re: PostgreSQL publishes first real benchmark Jignesh K. Shah 18:34
Re: best use of an EMC SAN Greg Smith 18:35
bitmap-index-scan slower than normal index scan Andreas Kretschmer 18:36
Re: best use of an EMC SAN Dave Cramer 18:45
Re: bitmap-index-scan slower than normal index scan Alex Deucher 18:52
Re: WALL on controller without battery? Greg Smith 18:53
Re: bitmap-index-scan slower than normal index scan A. Kretschmer 19:31
Re: WALL on controller without battery? Francisco Reyes 19:39
Re: WALL on controller without battery? Joshua D. Drake 19:45
Re: bitmap-index-scan slower than normal index scan Alex Deucher 20:01
Re: bitmap-index-scan slower than normal index scan Alex Deucher 20:01
Re: bitmap-index-scan slower than normal index scan Tom Lane 20:04
TRUNCATE TABLE Adriaan van Os 20:10
Re: bitmap-index-scan slower than normal index scan Andreas Kretschmer 20:19
Re: WALL on controller without battery? Francisco Reyes 20:34
Re: Weird row estimate Tom Lane 20:35
Re: Two questions.. shared_buffers and long reader issue Patric de Waha 20:48
Re: TRUNCATE TABLE Tom Lane 21:54
Re: TRUNCATE TABLE Gregory Stark 22:15
Re: WALL on controller without battery? Greg Smith 23:01

July 12, 2007

Thread Author Time
Re: WALL on controller without battery? Francisco Reyes 00:26
Estimating WAL volume Greg Smith 03:10
Re: bitmap-index-scan slower than normal index scan A. Kretschmer 05:06
pg_restore causes 100 Craig James 07:34
Re: TRUNCATE TABLE Adriaan van Os 07:37
one column from huge view Marcin Stępnicki 08:33
Re: one column from huge view Heikki Linnakangas 08:50
Re: Weird row estimate Marc Cousin 08:55
Re: PostgreSQL publishes first real benchmark Stefan Kaltenbrunner 09:08
Re: PostgreSQL publishes first real benchmark Gregory Stark 10:45
Re: TIMING A QUERY ??? smiley2211 12:39
Re: one column from huge view Michael Fuhr 12:51
Re: one column from huge view Heikki Linnakangas 12:55
Re: pg_restore causes 100 Tom Lane 14:27
Re: one column from huge view Tom Lane 14:48
Re: PostgreSQL publishes first real benchmark Greg Smith 15:00
Re: TRUNCATE TABLE Tom Lane 19:20

July 13, 2007

Thread Author Time
Re: TRUNCATE TABLE Adriaan van Os 07:47
Re: TRUNCATE TABLE Gregory Stark 09:02
Re: TRUNCATE TABLE Jean-Max Reymond 09:05
Re: TRUNCATE TABLE Thomas Samson 09:21
Re: PostgreSQL publishes first real benchmark Philippe Amelant 09:56
Re: PostgreSQL publishes first real benchmark Ray Stell 12:08
Re: TRUNCATE TABLE Michael Stone 12:44
Re: TRUNCATE TABLE Tom Lane 14:40

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