Re: [PERFORM] Autovacuum does not stay turned off

2008-08-26 Thread Jerry Champlin
Thanks for the help. The applied solution follows. We will be taking a number of maintenance steps to manage these very high update tables which I will summarize later as I suspect we are not the only ones with this challenge. http://www.postgresql.org/docs/current/interactive/routine-vacuum

Re: [PERFORM] Autovacuum does not stay turned off

2008-08-26 Thread hubert depesz lubaczewski
On Tue, Aug 26, 2008 at 10:45:31AM -0600, Jerry Champlin wrote: > This makes sense. What queries can I run to see how close to the limit > we are? We need to determine if we should stop the process which > updates and inserts into this table until after the critical time this > afternoon wh

Re: [PERFORM] Autovacuum does not stay turned off

2008-08-26 Thread Jerry Champlin
This makes sense. What queries can I run to see how close to the limit we are? We need to determine if we should stop the process which updates and inserts into this table until after the critical time this afternoon when we can perform the required maintenance on this table. hubert depesz l

Re: [PERFORM] Autovacuum does not stay turned off

2008-08-26 Thread Andrew Sullivan
On Tue, Aug 26, 2008 at 09:27:48AM -0600, Jerry Champlin wrote: > > Does anyone know what will cause this bahavior for autovacuum? You're probably approaching the wraparound limit in some database. If you think you can't afford the overhead when users are accessing the system, when are you vacu

Re: [PERFORM] Autovacuum does not stay turned off

2008-08-26 Thread hubert depesz lubaczewski
On Tue, Aug 26, 2008 at 09:27:48AM -0600, Jerry Champlin wrote: > Does anyone know what will cause this bahavior for autovacuum? http://www.postgresql.org/docs/current/interactive/runtime-config-autovacuum.html -> autovacuum_freeze_max_age depesz -- Linkedin: http://www.linkedin.com/in/depesz