Sriram Dandapani wrote: > > If I were to specify in the pg_autovacuum catalog that certain high > volume partitioned tables(that get dropped daily) be ignored, then > when autovacuum finishes, will it update the transaction id wraparound > counter (this way, I can get autovacuum to finish quickly ) > > OR > > Will I still need to periodically do vacuumdb –a to take care of the > wraparound problem. > You don't need to do a manual vacuumdb -a since autovacuum will do this once it decides you are getting too close to the wraparound point. I believe this has been improved in the upcoming 8.2 release where autovacuum no longer need to vacuum the whole database at once, rather XID wraparound is now tracked on a per table basis.