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 E3F6052913 for ; Fri, 15 Jul 2005 13:03:23 -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 79139-08 for ; Fri, 15 Jul 2005 16:03:15 +0000 (GMT) Received: from lakermmtao03.cox.net (lakermmtao03.cox.net [68.230.240.36]) by svr1.postgresql.org (Postfix) with ESMTP id A6FC4528DD for ; Fri, 15 Jul 2005 13:03:11 -0300 (ADT) Received: from [127.0.0.1] (really [68.3.22.74]) by lakermmtao03.cox.net (InterMail vM.6.01.04.00 201-2131-118-20041027) with ESMTP id <20050715160310.LTGV23050.lakermmtao03.cox.net@[127.0.0.1]>; Fri, 15 Jul 2005 12:03:10 -0400 Message-ID: <42D7DE40.3070507@works4me.com> Date: Fri, 15 Jul 2005 09:03:12 -0700 From: Dennis User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Mitchell Cc: Qingqing Zhou , pgsql-performance@postgresql.org Subject: Re: performance problems ... 100 cpu utilization References: <42D567DB.6000100@works4me.com> <42D5DBEB.4010503@works4me.com> <42D5F315.3090301@telogis.com> <42D60C2E.3020004@works4me.com> <42D7069B.5090107@telogis.com> In-Reply-To: <42D7069B.5090107@telogis.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 0528-5, 07/15/2005), Outbound message X-Antivirus-Status: Clean X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests= X-Spam-Level: X-Archive-Number: 200507/218 X-Sequence-Number: 13459 David Mitchell wrote: > If your table has got into this state, then vacuum analyze won't fix > it. You will have to do a vacuum full to get it back to normal, then > regularly vacuum (not full) to keep it in good condition. We vacuum > our critical tables every 10 minutes to keep them in good nick. So should I have vacuum run during the load test? At what level of updates should it run every ten minutes? Dennis