Received: from localhost (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id 019E0633B96 for ; Sat, 4 Apr 2009 17:11:18 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 90042-07 for ; Sat, 4 Apr 2009 17:11:10 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from westnet.com (westnet.com [216.187.52.2]) by mail.postgresql.org (Postfix) with ESMTP id 1D02F633B50 for ; Sat, 4 Apr 2009 17:11:13 -0300 (ADT) Received: from westnet.com (localhost [127.0.0.1]) by westnet.com (8.14.0/8.14.0) with ESMTP id n34KBBmZ028123; Sat, 4 Apr 2009 16:11:11 -0400 (EDT) Received: from localhost (gsmith@localhost) by westnet.com (8.14.0/8.13.2/Submit) with ESMTP id n34KBBTH028119; Sat, 4 Apr 2009 16:11:11 -0400 (EDT) X-Authentication-Warning: westnet.com: gsmith owned process doing -bs Date: Sat, 4 Apr 2009 16:11:11 -0400 (EDT) From: Greg Smith X-X-Sender: gsmith@westnet.com To: Josh Berkus cc: Kevin Grittner , pgsql-performance@postgresql.org Subject: Re: Strange behavior: pgbench and new Linux kernels In-Reply-To: <49D7AD08.5080202@agliodbs.com> Message-ID: References: <49D2466F.EE98.0025.0@wicourts.gov> <49D7AD08.5080202@agliodbs.com> User-Agent: Alpine 2.01 (GSO 1184 2008-12-16) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=AWL=0.000 X-Spam-Level: X-Archive-Number: 200904/101 X-Sequence-Number: 33468 On Sat, 4 Apr 2009, Josh Berkus wrote: > Have you sent this to any Linux kernel engineers? My experience is that > they're fairly responsive to this sort of thing. I'm going to submit an updated report to LKML once I get back from East, I want to test against the latest kernel first. -- * Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD