TO be truthful, I did not check that. I arrived at the conclusion because although I have 10 autovacuum threads, none of the tables had been autoanalyzed or autovacuumed in hours (and due to the nature of the activity they do so every minute). If I ever see this behavior now I know what to check for :) Thx. > -----Original Message----- > From: Kevin Grittner [mailto:Kevin.Grittner@xxxxxxxxxxxx] > Sent: Saturday, May 01, 2010 8:27 AM > To: Benjamin Krajmalnik; pgsql-admin@xxxxxxxxxxxxxx > Subject: Re: Autovacuum stopped running > > "Benjamin Krajmalnik" <kraj@xxxxxxxxxxx> wrote: > > I had a very strange occurrence 2 days ago where autovacuum > > appears to have stopped running. > > What did you see which led you to that conclusion? Did ps show the > 'autovacuum launcher process'? > > > I did not see any error messages in pg_log. The problem caused a > > file which is usually around 50Mb but which gets updated > > extensively to grow to 105GB, which in turn brought the server's > > performance down to unusable levels. > > Were there any long-running transactions showing in > pg_stat_activity? (That would include transactions showing '<IDLE> > in transaction'.) > > -Kevin -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin