On Thu, Dec 22, 2011 at 8:42 AM, Florian Weimer <fwei...@bfk.de> wrote: > * David Fetter: > >> The issue is that double writes needs a checksum to work by itself, >> and page checksums more broadly work better when there are double >> writes, obviating the need to have full_page_writes on. > > How desirable is it to disable full_page_writes? Doesn't it cut down > recovery time significantly because it avoids read-modify-write cycles > with a cold cache?
It's way too late in the cycle to suggest removing full page writes or code them. We're looking to add protection, not swap out existing ones. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
