Received: from localhost (unknown [200.46.204.184]) by developer.postgresql.org (Postfix) with ESMTP id 429A02E00AF for ; Fri, 18 Apr 2008 02:31:17 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 16156-07 for ; Fri, 18 Apr 2008 02:31:03 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by developer.postgresql.org (Postfix) with ESMTP id 8780F2E0110 for ; Fri, 18 Apr 2008 02:18:56 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id m3I5Islj022551; Fri, 18 Apr 2008 01:18:54 -0400 (EDT) To: Greg Smith cc: pgsql-performance@postgresql.org Subject: Re: Strange behavior: pgbench and new Linux kernels In-reply-to: References: Comments: In-reply-to Greg Smith message dated "Thu, 17 Apr 2008 20:26:25 -0400" Date: Fri, 18 Apr 2008 01:18:54 -0400 Message-ID: <22550.1208495934@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200804/262 X-Sequence-Number: 29755 Greg Smith writes: > This is what happens when the kernel developers are using results from a > MySQL tool to optimize things I guess. It seems I have a lot of work > ahead of me here to nail down and report what's going on here. Yeah, it's starting to be obvious that we'd better not ignore sysbench as "not our problem". Do you have any roadmap on what needs to be done to it? regards, tom lane