Hi, On 2012-12-07 14:29:26 +0000, Igor Neyman wrote: > I was hoping, may be hacking pg_catalog, like setting pg_class.relpersistence to 'u' will do the trick (or something like this). > > b.t.w. there will be no other active connections, so there is no risk of needing to add/update/delete records in the table while changing to "unlogged". Nope, thats not enough, won't create the init fork, so your next restart will probably fail. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general