I'll bet they're all trying to do anti-wraparound vacuums. This would explain why the problem hasn't been observed often enough to have been fixed long since. regards, tom lane
You are right, sorry I didn't mention it sooner. With regards Ondřej -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin