Received: from localhost (maia-3.hub.org [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id A531F9F97AD for ; Wed, 22 Aug 2007 12:57:38 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 12951-08 for ; Wed, 22 Aug 2007 12:57:35 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from ironport2-out.pppoe.ca (ironport2-out.pppoe.ca [206.248.154.182]) by postgresql.org (Postfix) with ESMTP id 777169F96E1 for ; Wed, 22 Aug 2007 12:57:35 -0300 (ADT) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao8CAEP5y0bO+Igp/2dsb2JhbAA X-IronPort-AV: E=Sophos;i="4.19,294,1183348800"; d="scan'208";a="5469577" Received: from smtp.pppoe.ca ([65.39.196.238]) by ironport2-out.pppoe.ca with ESMTP; 22 Aug 2007 11:57:33 -0400 Received: from [206.248.136.41] ([206.248.136.41]) by smtp.pppoe.ca (Internet Mail Server v1.0) with ESMTP id BXB70833; Wed, 22 Aug 2007 11:57:33 -0400 Message-ID: <46CC5CED.2070001@mark.mielke.cc> Date: Wed, 22 Aug 2007 11:57:33 -0400 From: Mark Mielke User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Dmitry Potapov CC: pgsql-performance@postgresql.org Subject: Re: io storm on checkpoints, postgresql 8.2.4, linux References: <878c83960708220833l72dbd461k827aea77ec7d6c32@mail.gmail.com> In-Reply-To: <878c83960708220833l72dbd461k827aea77ec7d6c32@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200708/236 X-Sequence-Number: 26366 Are you able to show that the dirty pages are all coming from postgres? Cheers, mark -- Mark Mielke