Andreas 'ads' Scherbaum wrote: > > Hello, > > On Wed, 4 Jul 2007 18:04:35 -0400 Alvaro Herrera wrote: > > > Most likely it is worried about XID wraparound, and those are precisely > > the tables that need urgent vacuumed because they haven't been vacuumed > > in a long time. > > No, autovacuum is doing this with every run. Beside this, the database has > only some 10k changes per day. The wraparound was my first idea, but i > don't see a reason, why this should be happen with every autovacuum run. Ok a new weird scenario. Could you please let us look at select relname, relfrozenxid, age(relfrozenxid) from pg_class where relkind in ('r', 't') order by 3 desc; and select datfrozenxid, age(datfrozenxid) from pg_database where datname = 'your database'; -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.