X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id EC73252860 for ; Fri, 27 May 2005 10:05:50 -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 58446-02 for ; Fri, 27 May 2005 13:05:45 +0000 (GMT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.197]) by svr1.postgresql.org (Postfix) with ESMTP id 770A352834 for ; Fri, 27 May 2005 10:05:44 -0300 (ADT) Received: by wproxy.gmail.com with SMTP id 69so1577302wri for ; Fri, 27 May 2005 06:05:47 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=FK5ticXGm0sTnWbRSo+PGvLV+dqUBxKez3yxIzHjMndvfliHBTSf75eFTwQWiQl3FGs3+dwD1qMoqd5lndxgd03oklcx81U4eSgPk+BAXemYCEHHxGUUYN5eA3Grq5gGlzLwP7go8OMtXnnSAAI3yfM/BodNtRrn6FUyi5L86Uw= Received: by 10.54.8.8 with SMTP id 8mr2537109wrh; Fri, 27 May 2005 06:05:47 -0700 (PDT) Received: by 10.54.2.45 with HTTP; Fri, 27 May 2005 06:05:47 -0700 (PDT) Message-ID: <4a0cafe2050527060533d3c4e9@mail.gmail.com> Date: Fri, 27 May 2005 08:05:47 -0500 From: Josh Close Reply-To: Josh Close To: POSTGRES-PERFORMANCE Subject: Re: slow queries, possibly disk io In-Reply-To: <42967810.8040700@familyhealth.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <4a0cafe205052613242e0d4d10@mail.gmail.com> <42967810.8040700@familyhealth.com.au> X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.323 tagged_above=0 required=5 tests=AWL, DNS_FROM_RFC_ABUSE, RCVD_BY_IP X-Spam-Level: X-Archive-Number: 200505/409 X-Sequence-Number: 12573 On 5/26/05, Christopher Kings-Lynne wrote: > > I have some queries that have significan't slowed down in the last > > couple days. It's gone from 10 seconds to over 2 mins. > > > > The cpu has never gone over 35% in the servers lifetime, but the load > > average is over 8.0 right now. I'm assuming this is probably due to > > disk io. >=20 > You sure it's not a severe lack of vacuuming that's the problem? >=20 It's vacuumed hourly. If it needs to be more than that I could do it I guess. But from everything I've been told, hourly should be enough. -Josh