Gordon Shannon <gordo169@xxxxxxxxx> writes: > Bingo. Yes it is reasonable. It was 25 seconds between my altering the > index in question and the server crash. Sounds like we have a smoking gun. Could you show all your non-default postgresql.conf settings on the master? I'm wondering about full_page_writes in particular, but might as well gather all the relevant data while we're at it. Easiest way is: select name,setting from pg_settings where source not in ('default','override'); regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general