On Thu, Mar 17, 2011 at 12:51 PM, Scott Marlowe <scott.marl...@gmail.com> wrote: > On Thu, Mar 17, 2011 at 6:19 AM, Voils, Steven M <st...@sensorswitch.com> > wrote: >> Is there a fundamental difference between a primary key and a unique index? >> Currently we have primary keys on tables that have significant amounts of >> updates performed on them, as a result the primary key indexes are becoming >> significantly bloated. There are other indexes on the tables that also >> become bloated as a result of this, but these are automatically rebuild >> periodically by the application (using the concurrently flag) when read >> usage is expected to be very low. > > If you're experiencing bloat, but not deleting huge chunks of your > table at a time, then you're not vacuuming aggressively enough
Or you're on 8.3 or before and blowing out your free space map. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
