diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml index 138bdf2a75..a267968841 100644 --- a/doc/src/sgml/high-availability.sgml +++ b/doc/src/sgml/high-availability.sgml @@ -861,7 +861,7 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass' You can retrieve a list of WAL sender processes via the - + pg_stat_replication view. Large differences between pg_current_wal_lsn and the view's sent_lsn field might indicate that the master server is under heavy load, while @@ -869,6 +869,14 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass' pg_last_wal_receive_lsn on the standby might indicate network delay, or that the standby is under heavy load. + + On a standby, the status of the WAL receiver process can be retrieved + via the + pg_stat_wal_receiver view. A large difference between + pg_last_wal_replay_lsn and the view's + received_lsn indicates that WAL is being received faster than + it can be replayed. +