From owner-freebsd-fs@FreeBSD.ORG Wed Oct 17 14:57:11 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6783824F; Wed, 17 Oct 2012 14:57:11 +0000 (UTC) (envelope-from ndenev@gmail.com) Received: from mail-wg0-f50.google.com (mail-wg0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id BDFC48FC12; Wed, 17 Oct 2012 14:57:10 +0000 (UTC) Received: by mail-wg0-f50.google.com with SMTP id 16so6062537wgi.31 for ; Wed, 17 Oct 2012 07:57:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; bh=/lTHutyJ32j7MElTe/qFMtIv9h02akERnRUgYfYUDpw=; b=p1N8yS/TmWPivfGxO9jeR4O07O/trYd9WoR15NjHr06FE3ftBNO/ZlSUNAVQb6ok43 YapeqEehJRUy72ITbDp8eh50qhLQ9r81U8HVqQSPZIWvJIgJNfvpvgdVQUM5QW2c3s/H ymzJFjhvPuFTLor8HDmSUTK9SqSlyCFmJVc0Z7pKQZLXyywjoaHDyvUGj8U+oaZoPKoC 2J2reodqZw2++8u0fn0cxCKiFDUtW+oW7Hk1ogk+JNl6mzoQYNWSOWaR+GzqKVeylF2V qDJf16QD8F7AYWbaP3PDWJ80n48Tw/YIU292ow5D2DlRe2sVjlnjE4XGlfpsxvuSPRuL YzqQ== Received: by 10.180.19.71 with SMTP id c7mr4742886wie.2.1350485829164; Wed, 17 Oct 2012 07:57:09 -0700 (PDT) Received: from ndenevsa.sf.moneybookers.net (g1.moneybookers.com. [217.18.249.148]) by mx.google.com with ESMTPS id gg4sm28024206wib.6.2012.10.17.07.57.07 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 17 Oct 2012 07:57:08 -0700 (PDT) Subject: Re: I have a DDB session open to a crashed ZFS server Mime-Version: 1.0 (Mac OS X Mail 6.1 \(1498\)) Content-Type: text/plain; charset=us-ascii From: Nikolay Denev In-Reply-To: <507EC242.1070809@FreeBSD.org> Date: Wed, 17 Oct 2012 17:57:05 +0300 Content-Transfer-Encoding: quoted-printable Message-Id: <20F56CFC-3B97-4921-A2BF-2CCFA20669FD@gmail.com> References: <1350317019.71982.50.camel@btw.pki2.com> <201210160844.41042.jhb@freebsd.org> <1350400597.72003.32.camel@btw.pki2.com> <201210161215.33369.jhb@freebsd.org> <507D8B69.3090903@FreeBSD.org> <0B0CA833-79FA-4C8E-86AC-828E7947FF67@gmail.com> <507EC242.1070809@FreeBSD.org> To: Andriy Gapon X-Mailer: Apple Mail (2.1498) Cc: freebsd-fs@FreeBSD.org, dg17@penx.com, Dennis Glatting X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Oct 2012 14:57:11 -0000 On Oct 17, 2012, at 5:35 PM, Andriy Gapon wrote: > on 17/10/2012 10:04 Nikolay Denev said the following: >> I'm running with the patch from here : = http://thread.gmane.org/gmane.os.freebsd.devel.file-systems/16000/focus=3D= 16017 >> And there were no deadlocks since it's applied. >> If you're hitting the same issue as I was, this should help. >=20 > I am going to commit that change soon-ish, if nobody expressly objects = to it. >=20 > BTW, Nikolay, is your system (that used to deadlock) amd64? > Could you please capture 'sysctl vm | fgrep kmem' output when it is = under load? >=20 > --=20 > Andriy Gapon Yep, It's a amd64, currently I'm doing some iozone throughput testing = over NFS and I can say it's loaded : last pid: 9818; load averages: 13.26, 13.98, 15.14 = up = 4+00:09:55 16:56:10 44 processes: 1 running, 43 sleeping CPU: 0.2% user, 0.1% nice, 63.5% system, 4.0% interrupt, 32.1% idle Mem: 193M Active, 1689M Inact, 163G Wired, 70M Cache, 22G Free =20 ARC: 147G Total, 6884M MRU, 128G MFU, 2824K Anon, 8674M Header, 3896M = Other vm.kmem_map_free: 46525120512 =20 vm.kmem_map_size: 149978828800 =20 vm.kmem_size_scale: 1 vm.kmem_size_max: 329853485875 vm.kmem_size_min: 0 vm.kmem_size: 199974834176