AI Rumman <rummandba@xxxxxxxxx> writes: > I am using Postgresql 8.1. > I set stats_start_collector = on > But I found statistics collector is not using; The collector won't actually collect anything unless you enable at least one of these settings: #stats_command_string = off #stats_block_level = off #stats_row_level = off All of them default to off in 8.1 ... regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general