One solution, for backups anyway, is to pause the replication on the slave machines with the command: pg_xlog_replay_pause() and pg_xlog_replay_resume(). We still don't have a solution for long running queries, mayber have a mechanism to retry them when they fail with that specific error. -- View this message in context: http://postgresql.1045698.n5.nabble.com/Hot-Standby-ERROR-canceling-statement-due-to-conflict-with-recovery-tp3402417p5636744.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