@ sameer khan, i got query for all except *Number of cached blocks read, Number of cached index blocks read, Number of cached sequence blocks read*. can you tell query for these three counters only? -- View this message in context: http://postgresql.1045698.n5.nabble.com/How-to-know-server-status-variable-in-postgresql-tp5785677p5786228.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general