Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id D36B89FB86A for ; Thu, 1 Mar 2007 21:36:05 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-new, port 10024) with ESMTP id 63807-04 for ; Thu, 1 Mar 2007 21:35:51 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 91CB89FB857 for ; Thu, 1 Mar 2007 21:35:56 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id l221ZriA028378; Thu, 1 Mar 2007 20:35:53 -0500 (EST) To: "Merlin Moncure" cc: "Benjamin Minshall" , pgsql-performance@postgresql.org Subject: Re: stats collector process high CPU utilization In-reply-to: References: <45CB5D06.7090004@intellicon.biz> <20070209142459.GB4253@alvh.no-ip.org> <24717.1171033699@sss.pgh.pa.us> <29832.1171036557@sss.pgh.pa.us> <45CCA0DB.2010903@intellicon.biz> <1116.1171038786@sss.pgh.pa.us> <45CCBF13.2000707@intellicon.biz> <16282.1172779976@sss.pgh.pa.us> <17817.1172789069@sss.pgh.pa.us> Comments: In-reply-to "Merlin Moncure" message dated "Fri, 02 Mar 2007 07:00:00 +0530" Date: Thu, 01 Mar 2007 20:35:53 -0500 Message-ID: <28377.1172799353@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200703/35 X-Sequence-Number: 23440 "Merlin Moncure" writes: > On 3/2/07, Tom Lane wrote: >> "Merlin Moncure" writes: >>> I think this explains the trigger that was blowing up my FC4 box. >> >> I dug in the archives a bit and couldn't find the report you're >> referring to? > I was referring to this: > http://archives.postgresql.org/pgsql-hackers/2007-02/msg01418.php Oh, the kernel-panic thing. Hm, I wouldn't have thought that replacing a file at a huge rate would induce a kernel panic ... but who knows? Do you want to try installing the one-liner patch and see if the panic goes away? Actually I was wondering a bit if that strange Windows error discussed earlier today could be triggered by this behavior: http://archives.postgresql.org/pgsql-general/2007-03/msg00000.php regards, tom lane