X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 7462D53D70 for ; Tue, 12 Apr 2005 17:42:55 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 36231-10 for ; Tue, 12 Apr 2005 20:42:54 +0000 (GMT) Received: from koolancexeon.g2switchworks.com (mail.g2switchworks.com [63.87.162.25]) by svr1.postgresql.org (Postfix) with ESMTP id 1287253D5B for ; Tue, 12 Apr 2005 17:42:53 -0300 (ADT) Received: mail.g2switchworks.com 10.10.1.8 from 10.10.1.37 10.10.1.37 via HTTP with MS-WebStorage 6.5.6944 Received: from state.g2switchworks.com by mail.g2switchworks.com; 12 Apr 2005 15:42:54 -0500 Subject: Re: getting count for a specific querry From: Scott Marlowe To: Vivek Khera Cc: pgsql-sql@postgresql.org In-Reply-To: <76f942bc142be849e6ab3a8018b090a6@khera.org> References: <003b01c53c70$6ff184b0$797ba8c0@jfradkin> <762e5c05040813354436bd27@mail.gmail.com> <8ef5bfe4806dac39bab8e07837dbab38@khera.org> <1112993454.20921.89.camel@state.g2switchworks.com> <1113337387.20921.413.camel@state.g2switchworks.com> <76f942bc142be849e6ab3a8018b090a6@khera.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1113338574.20921.436.camel@state.g2switchworks.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 12 Apr 2005 15:42:54 -0500 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.003 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200504/171 X-Sequence-Number: 21064 On Tue, 2005-04-12 at 15:32, Vivek Khera wrote: > On Apr 12, 2005, at 4:23 PM, Scott Marlowe wrote: > > > How much memory is in the box? I've heard horror stories about > > performance with >2 gigs of ram, which is why I made them order mine > > with 2 gigs. Does the 3/DC have battery backed cache set to write > > back? > > > > 4GB RAM and battery backed cache set to write-back mode. FreeBSD 4.11. If you've got the time, try running it with only 2 gigs and compare the speed. I never really got a chance to run mine with >2 gigs, but I know that I read plenty of posts at the time that the chipset in the 2650 was REALLY slow at using memory over 2 gig.