"Gnanakumar" <gnanam@xxxxxxxxxx> writes: >> Has your Postgres instance crashed or been restarted with immediate mode >> since the last vacuum? This will cause the autovacuum information to be >> null. > No, it's been up and running for almost a week. I even checked with "select > pg_postmaster_start_time()". I don't believe pg_postmaster_start_time() is reset by a backend-crash-and-restart sequence ... but the stats collector data will be. You might want to look into the postmaster log for evidence of such a crash. regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
