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* postgresql statements are waiting
@ 2010-11-30 11:38 bakkiya <bakkiya@gmail.com>
2010-11-30 16:52 ` Re: postgresql statements are waiting Kevin Grittner <Kevin.Grittner@wicourts.gov>
2010-11-30 16:54 ` Re: postgresql statements are waiting Scott Marlowe <scott.marlowe@gmail.com>
0 siblings, 2 replies; 3+ messages in thread
From: bakkiya @ 2010-11-30 11:38 UTC (permalink / raw)
To: pgsql-performance
Hi,
I am working on a performance issue with a partitioned table. Some of my sql
statements against this partition table is in waiting state for long time. I
have queried waiting=true in pg_stat_activity. Now, is there a way to find
out which sql is making other statements to wait.
Thanks for your help.
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^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: postgresql statements are waiting
2010-11-30 11:38 postgresql statements are waiting bakkiya <bakkiya@gmail.com>
@ 2010-11-30 16:52 ` Kevin Grittner <Kevin.Grittner@wicourts.gov>
1 sibling, 0 replies; 3+ messages in thread
From: Kevin Grittner @ 2010-11-30 16:52 UTC (permalink / raw)
To: bakkiya <bakkiya@gmail.com>; pgsql-performance
bakkiya <bakkiya@gmail.com> wrote:
> I am working on a performance issue with a partitioned table. Some
> of my sql statements against this partition table is in waiting
> state for long time. I have queried waiting=true in
> pg_stat_activity. Now, is there a way to find out which sql is
> making other statements to wait.
You probably need to take a look at pg_locks for details. If you
combine information from pg_locks, pg_stat_activity, and pg_class,
you can get a pretty good idea what's up.
-Kevin
^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: postgresql statements are waiting
2010-11-30 11:38 postgresql statements are waiting bakkiya <bakkiya@gmail.com>
@ 2010-11-30 16:54 ` Scott Marlowe <scott.marlowe@gmail.com>
1 sibling, 0 replies; 3+ messages in thread
From: Scott Marlowe @ 2010-11-30 16:54 UTC (permalink / raw)
To: bakkiya <bakkiya@gmail.com>; +Cc: pgsql-performance
On Tue, Nov 30, 2010 at 4:38 AM, bakkiya <bakkiya@gmail.com> wrote:
>
> Hi,
> I am working on a performance issue with a partitioned table. Some of my sql
> statements against this partition table is in waiting state for long time. I
> have queried waiting=true in pg_stat_activity. Now, is there a way to find
> out which sql is making other statements to wait.
http://wiki.postgresql.org/wiki/Lock_Monitoring
^ permalink raw reply [nested|flat] 3+ messages in thread
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2010-11-30 11:38 postgresql statements are waiting bakkiya <bakkiya@gmail.com>
2010-11-30 16:52 ` Kevin Grittner <Kevin.Grittner@wicourts.gov>
2010-11-30 16:54 ` Scott Marlowe <scott.marlowe@gmail.com>
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