Vladimir Borodin wrote: > I’m not sure that these 104 bytes will always be 104 bytes to have a > strict equality while checking. Could it change in the future? There is no promise that WAL record format stays unchanged. Sometimes we change a WAL record in a minor release. > Or is there a better way to understand that streaming replica received > all data after master shutdown? The check that pg_xlog_location_diff > returns 104 bytes seems a bit strange. I guess you could pg_xlogdump the difference and verify that it is a shutdown checkpoint record. As far as I remember there should always be one at the end of recovery. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general