On 6 July 2015 at 15:35, Alberto Olivares <alberto.olivares@xxxxxxxxxxxxxxxxxxxxx> wrote: > Hi Matheus, > > > Thanks for your answer. I do not have access to the primary database. So, I > cannot run a SQL in there. > > I need to run the command in the Slave database that tells me whether the > replication is still working or not. "SELECT pg_last_xact_replay_timestamp()" gives you the time of the last write. If it is not increasing, replication is broken or the primary is idle. If it is NULL, the database is a primary or a secondary just starting up. I think most of our are monitoring that lag time is in a certain range - "SELECT (now() - pg_last_xact_replay_timestamp()) < '5 minutes'::interval" -- Stuart Bishop <stuart@xxxxxxxxxxxxxxxx> http://www.stuartbishop.net/ -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin