Re: outdated (bad) information in pg_stat_activity - Mailing list pgsql-general

From Jim C. Nasby
Subject Re: outdated (bad) information in pg_stat_activity
Date
Msg-id 20051215225311.GL40699@pervasive.com
Whole thread Raw
In response to Re: outdated (bad) information in pg_stat_activity  ("Gregory S. Williamson" <gsw@globexplorer.com>)
List pgsql-general
On Wed, Dec 14, 2005 at 02:02:02PM -0800, Gregory S. Williamson wrote:
> I too have had issues with "stuck" entries in the pg_stat_activity view -- the real pid is long gone but postgres
stillthinks the process is there. 
>
> It would be real sweet to have a way of cleaning this table with bringing postgres off-line.

Rather than trying to clean things up by hand, could the stats system
instead periodically check to make sure that all the PIDs it knows about
actually still exist? I think that should be a pretty cheap check to
perform...

> Greg Williamson
> DBA
> GlobeXplorer LLC

On a side note, is GlobeXplorer using PostgreSQL? Would they be willing
to let us publicize that fact? Better yet, would they be willing to do a
case study?
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461

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