> I believe yes / 0 are the default settings for synchronous commit and commit_delay. ** (Interestingly the manual pages do not specify.) ** Sorry, I've just spotted the settings in the text. The statement (marked **) is incorrect. Defaults are yes/0. (http://www.postgresql.org/docs/9.4/static/runtime-config-wal.html) Graeme. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance