X-Original-To: pgsql-bugs-postgresql.org@postgresql.org Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id A51519FB2E3 for ; Wed, 9 Aug 2006 19:27:00 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 18322-02 for ; Wed, 9 Aug 2006 22:26:52 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey- Received: from noel.decibel.org (noel.decibel.org [67.100.216.10]) by postgresql.org (Postfix) with ESMTP id A4C619FB2CC for ; Wed, 9 Aug 2006 19:26:52 -0300 (ADT) Received: by noel.decibel.org (Postfix, from userid 1001) id 166E056435; Wed, 9 Aug 2006 17:26:51 -0500 (CDT) Received: (hashcash-sendmail, from uid 1001); Wed, 9 Aug 2006 17:26:50 -0500 Date: Wed, 9 Aug 2006 17:26:50 -0500 From: "Jim C. Nasby" To: kumarselvan Cc: pgsql-performance@postgresql.org Subject: Re: BUG #2567: High IOWAIT Message-ID: <20060809222650.GC40481@pervasive.com> References: <200608080842.k788g2hG044049@wwwmaster.postgresql.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200608080842.k788g2hG044049@wwwmaster.postgresql.org> X-Operating-System: FreeBSD 6.0-RELEASE-p4 amd64 X-Distributed: Join the Effort! http://www.distributed.net User-Agent: Mutt/1.5.11 X-Hashcash: 1:20:060809:pgsql-bugs@postgresql.org::rG54YMPdloBhxO5z:000000000000 000000000000000000000000203g X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests= X-Spam-Level: X-Archive-Number: 200608/68 X-Sequence-Number: 15543 This isn't a bug; moving to pgsql-performance. On Tue, Aug 08, 2006 at 08:42:02AM +0000, kumarselvan wrote: > i have installed the postgres as mentioned in the Install file. it is a 4 > cpu 8 GB Ram Machine installed with Linux Enterprise version 3. when i am > running a load which will perfrom 40 inserts persecond on 2 tables and 10 > updates per 10seconds on differnt table IOWait on avg going upto 70% due to > which i am not able to increase the load. Is there is any other way to > install the postgres on multiprocessor machine.. can any one help me on > this... You haven't given us nearly enough information. What kind of hardware is this? RAID? What changes have you made to postgresql.conf? -- Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461