I checked the release notes till 8.1.17, but could not come across any such issue which leads to db performance degradation after doing heavy db operations. AutoVacuum is also enabled parallel. -----Original Message----- From: Grzegorz Jaśkiewicz [mailto:gryzman@xxxxxxxxx] Sent: Monday, June 08, 2009 9:59 PM To: Preeti Khura Cc: pgsql-general@xxxxxxxxxxxxxx Subject: Re: Postgres's Performance degrades after heavy db operation oh, and take the time to upgrade to newest 8.1.X as the matter of urgency!. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)To make changes to your subscription:http://www.postgresql.org/mailpref/pgsql-general