We have a view in our database.
CREATE view public.hogs AS
SELECT pg_stat_activity.procpid, pg_stat_activity.usename,
pg_stat_activity.current_query
FROM ONLY pg_stat_activity;
Select current_query from public.hogs helps us to spot errant queries
at times.
regds
mallah.
On 12/7/06, asif ali <asif_icrossing@yahoo.com> wrote:
> Thanks Scott,
> It worked!!!
> We killed an old idle running transaction, now everything is fine..
>
> Thanks Again
> asif ali
> icrossing inc
>
>
> Scott Marlowe <smarlowe@g2switchworks.com> wrote:
> On Wed, 2006-12-06 at 15:53, asif ali wrote:
> > Thanks Everybody for helping me out.
> > I checked "pg_stat_activity"/pg_locks, but do not see any activity on
> > the table.
> > How to find a old running transaction...
> > I saw this link, but it did not help..
> >
> http://archives.postgresql.org/pgsql-hackers/2005-02/msg00760.php
>
> Sometimes just using top or ps will show you.
>
> on linux you can run top and then hit c for show command line and look
> for ones that are IDLE
>
> Or, try ps:
>
> ps axw|grep postgres
>
> On my machine normally:
>
> 2408 ? S 0:00 /usr/local/pgsql/bin/postmaster -p 5432 -D
> /home/postgres/data
> 2615 ? S 0:00 postgres: stats buffer process
> 2616 ? S 0:00 postgres: stats collector process
> 2857 ? S 0:00 postgres: writer process
> 2858 ? S 0:00 postgres: stats buffer process
> 2859 ? S 0:00 postgres: stats collector process
>
> But with an idle transaction:
>
> 2408 ? S 0:00 /usr/local/pgsql/bin/postmaster -p 5432 -D
> /home/postgres/data
> 2615 ? S 0:00 postgres: stats buffer process
> 2616 ? S 0:00 postgres: stats collector process
> 2857 ? S 0:00 postgres: writer process
> 2858 ? S 0:00 postgres: stats buffer process
> 2859 ? S 0:00 postgres: stats collector process
> 8679 ? S 0:00 postgres: smarlowe test [local] idle in transaction
>
> Thar she blows!
>
> Also, you can restart the database and vacuum it then too. Of course,
> don't do that during regular business hours...
>
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