"Gnanakumar" <gnanam@xxxxxxxxxx> writes: >> But still, if I query after performing heavy DML operations, I'm always >> getting zero, even though there are INSERT/UPDATE/DELETE. Is the stats collector actually running according to "ps"? If not, look in the postmaster log to see why it failed (problems creating the communication socket are the most common cause). 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