On Tue, 2008-10-28 at 11:45 +0200, Hannu Krosing wrote: > On Tue, 2008-10-28 at 08:49 +0000, Simon Riggs wrote: > > Looking at a VACUUM's WAL records makes me think twice about the way we > > issue a VACUUM. > > > > 1. First we scan the heap, issuing a HEAP2 clean record for every block > > that needs cleaning. > > IIRC the first heap pass just collects info and does nothing else. > Is this just an empty/do-nothing WAL record ?
8.3 changed that; it used to work that way. I guess I never looked at the amount of WAL being generated. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
