On Mon, Jul 31, 2017 at 7:28 AM, Andreas Kretschmer <andreas@xxxxxxxxxxxxxxx> wrote: > The standby is read only, vacuum runs on the master and replicated to the standby. Analyse as well. Please note as well that if hot_standby_feedback is enabled, the cleanup done by VACUUM on the primary is influenced as well so as tuples that a standby may need to avoid conflicts for its transactions are not removed. So VACUUM may result in less cleanup depending on the read load on the standby. -- Michael -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general