From owner-freebsd-performance@FreeBSD.ORG Fri Feb 15 00:01:24 2008 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5CBDD16A419 for ; Fri, 15 Feb 2008 00:01:24 +0000 (UTC) (envelope-from julian@elischer.org) Received: from outN.internet-mail-service.net (outN.internet-mail-service.net [216.240.47.237]) by mx1.freebsd.org (Postfix) with ESMTP id 5170913C461 for ; Fri, 15 Feb 2008 00:01:24 +0000 (UTC) (envelope-from julian@elischer.org) Received: from mx0.idiom.com (HELO idiom.com) (216.240.32.160) by out.internet-mail-service.net (qpsmtpd/0.40) with ESMTP; Thu, 14 Feb 2008 16:01:23 -0800 Received: from julian-mac.elischer.org (localhost [127.0.0.1]) by idiom.com (Postfix) with ESMTP id D7E6412721C; Thu, 14 Feb 2008 16:01:22 -0800 (PST) Message-ID: <47B4D654.4070503@elischer.org> Date: Thu, 14 Feb 2008 16:01:24 -0800 From: Julian Elischer User-Agent: Thunderbird 2.0.0.9 (Macintosh/20071031) MIME-Version: 1.0 To: Kris Kennaway References: <20080214114759.R75215@mail.rsts.org> <47B49A16.1080103@FreeBSD.org> <20080214131026.Y75492@mail.rsts.org> <47B4D139.5020701@FreeBSD.org> In-Reply-To: <47B4D139.5020701@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Brett Bump , freebsd-performance@freebsd.org Subject: Re: System perforamance 4.x vs. 5.x and 6.x X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2008 00:01:24 -0000 Kris Kennaway wrote: > Brett Bump wrote: >> >> On Thu, 14 Feb 2008, Kris Kennaway wrote: >> >>> We are going to need more information about your system. What do you >>> mean by "peak activity"? What is running on the system when it performs >>> badly (check top -S, ps, gstat, vmstat -w, vmstat -i). What is your >>> kernel configuration, dmesg and relevant aspects of the system >>> configuration? >>> >>> Kris >>> >> >> I would call 120 processes with a load average of 0.03 and 99.9 idle >> with 10-20 sendmail processes and 30 apache jobs nothing to write home >> about. But when that jumps to 250 processes, a load average of 30 with >> 50% idle (5-10 second waits on single character ssh echo) a bit busy. >> That usually means my heavy pop3 users are checking in at the same time >> someone (or 2 or 3) have sent email to the large volume listservs. Proc >> stat doesn't show as much as gstat and iostat. Gstat alwasy shows my >> drive with /var/mail being 97-100% busy and iostat will always show hi >> tps rates, but never anything above 8MB/s (4.10 gave me 30MB/s+). >> >> Kernel is generic with ipfirewall quota and smp (no ipfw rules yet). > > OK, then you definitely need to update to 6.3, quota support in older > releases had performance problems. > >> [Thu Feb 14 09:59:23 2008] [notice] child pid 43464 exit signal Abort >> trap (6) >> httpd in malloc(): error: recursive call >> [Thu Feb 14 10:07:34 2008] [notice] child pid 85706 exit signal Abort >> trap (6) >> httpd in free(): error: recursive call >> [Thu Feb 14 10:48:39 2008] [notice] child pid 45621 exit signal Abort >> trap (6) >> httpd in free(): error: recursive call > typically a printf() in a signal handler... > These typically indicate application errors, or errors in how the > applications are compiled (e.g. linked to inconsistent sets of libraries). > > Kris > > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to > "freebsd-performance-unsubscribe@freebsd.org"