Ah, okay - my reasoning was there's a big fancy-pants raid array behind it that makes disk operations faster relative to CPU ones.
I'll test it and see if it actually makes any difference. -----Original Message----- From: Claudio Freire [mailto:klaussfre...@gmail.com] Sent: 04 December 2012 18:33 To: Philip Scott Cc: postgre...@foo.me.uk; postgres performance list Subject: Re: [PERFORM] Slow query: bitmap scan troubles On Tue, Dec 4, 2012 at 3:31 PM, Philip Scott <psc...@foo.me.uk> wrote: > r_p_c 2-> 1 (s_p_c 1->0.5): Is this really necessary? (looks like a no-op, unless your CPU is slow) -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance