On 2015-03-26 19:56:23 +0800, Craig Ringer wrote: > Right. So that's where I think you need to look into commit timestamps as > an alternative, as outlined in prior mail. I've only quickly skimmed this thread, but it sounds to me you just could create a logical slot in the "standby" and do the cache invalidation via that. 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