From owner-freebsd-stable@FreeBSD.ORG Tue Jan 7 00:12:48 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 556E0BD9; Tue, 7 Jan 2014 00:12:48 +0000 (UTC) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id BCAC21A50; Tue, 7 Jan 2014 00:12:47 +0000 (UTC) Received: from r2d2 ([82.69.141.170]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50007442851.msg; Tue, 07 Jan 2014 00:12:46 +0000 X-Spam-Processed: mail1.multiplay.co.uk, Tue, 07 Jan 2014 00:12:46 +0000 (not processed: message from valid local sender) X-MDDKIM-Result: neutral (mail1.multiplay.co.uk) X-MDRemoteIP: 82.69.141.170 X-Return-Path: prvs=1084efce83=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: From: "Steven Hartland" To: "Mark Felder" , References: <1387204500.12061.60192349.19EAE1B4@webmail.messagingengine.com> <3A115E20-3ADB-49BA-885D-16189B97842B@FreeBSD.org> <20131225133356.GL71033@FreeBSD.org> <20140104195505.GV71033@glebius.int.ru> <11BB3983-28F7-40EF-87DA-FD95BD297EA7@FreeBSD.org> <1389033148.5084.67285353.3B31094A@webmail.messagingengine.com> Subject: Re: 10.0-RC1: bad mbuf leak? Date: Tue, 7 Jan 2014 00:12:39 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jan 2014 00:12:48 -0000 ----- Original Message ----- From: "Mark Felder" To: Sent: Monday, January 06, 2014 6:32 PM Subject: Re: 10.0-RC1: bad mbuf leak? > It's not looking promising. mbuf usage is really high again. I haven't > hit the point where the system is unavailable on the network but it > appears to be approaching. > > root@skeletor:/usr/home/feld # netstat -m > 4093391/3109/4096500 mbufs in use (current/cache/total) > 1025/1725/2750/1017354 mbuf clusters in use (current/cache/total/max) Something looks odd there, as I would have expected mbuf clusters total to be quite a bit higher with that amount of total mbufs, or has something changed in that respect in 10.x? > 1025/1725 mbuf+clusters out of packet secondary zone in use > (current/cache) > 0/492/492/508677 4k (page size) jumbo clusters in use > (current/cache/total/max) > 0/0/0/150719 9k jumbo clusters in use (current/cache/total/max) > 0/0/0/84779 16k jumbo clusters in use (current/cache/total/max) > 1025397K/6195K/1031593K bytes allocated to network (current/cache/total) > 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) > 0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters) > 0/0/0 requests for jumbo clusters delayed (4k/9k/16k) > 0/0/0 requests for jumbo clusters denied (4k/9k/16k) > 0 requests for sfbufs denied > 0 requests for sfbufs delayed > 0 requests for I/O initiated by sendfile > > root@skeletor:/usr/home/feld # vmstat -z | grep mbuf > ITEM SIZE LIMIT USED FREE REQUESTS FAILURES > mbuf_packet: 256, 6511065, 1025, 1725, 9153363, 0, 0 > mbuf: 256, 6511065, 4092367, 1383,74246554, 0, 0 > mbuf_cluster: 2048, 1017354, 2750, 0, 2750, 0, 0 > mbuf_jumbo_page: 4096, 508677, 0, 492, 2655317, 0, 0 > mbuf_jumbo_9k: 9216, 150719, 0, 0, 0, 0, 0 > mbuf_jumbo_16k: 16384, 84779, 0, 0, 0, 0, 0 > mbuf_ext_refcnt: 4, 0, 0, 0, 0, 0, 0 > > root@skeletor:/usr/home/feld # uptime > 12:30PM up 15:05, 1 user, load averages: 0.24, 0.23, 0.27 > > root@skeletor:/usr/home/feld # uname -a > FreeBSD skeletor.feld.me 10.0-PRERELEASE FreeBSD 10.0-PRERELEASE #17 > r260339M: Sun Jan 5 21:23:10 CST 2014 ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.