From owner-freebsd-fs@FreeBSD.ORG Thu Feb 27 16:14:49 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DB9291B1 for ; Thu, 27 Feb 2014 16:14:49 +0000 (UTC) Received: from mail-lb0-x22e.google.com (mail-lb0-x22e.google.com [IPv6:2a00:1450:4010:c04::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 63015169E for ; Thu, 27 Feb 2014 16:14:49 +0000 (UTC) Received: by mail-lb0-f174.google.com with SMTP id u14so1561891lbd.5 for ; Thu, 27 Feb 2014 08:14:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=zra/qVto/mCMzLVPyP2yBF15zCSy7fZylPqP+fwL86I=; b=Vf4PYPA1hg1f5VGQ3o5kbQKsQtZ/CqE4HbpCxSn03Zsl7EWcy/M18itkmIyXyxs4rO OR+25zBMOU6YoOBqpsprYPLxRQTszfJtzPnF3wU3zEHZeCEfV8DWQCaMQELlzwArjxLp CnPhH8Jp3SyDsU7oBiSKdXybiTtBVDYHwQyFleZ4KwYwhZJEB9o3E4Yp3sk7K2ws/1qd LtRffGyF1qg2KvntIX3hbyIyFy9b4xYQXw9u7LaErO6cmt3zw66wR/+tGYkHp/rhj2IJ D0apEsdZYwaXelAGBgd8ckjzU3W+o8xeISj430xNWOVIhzCy92jpfRqJi9MMd5iaZapj kW3g== X-Received: by 10.152.26.135 with SMTP id l7mr2708640lag.43.1393517686618; Thu, 27 Feb 2014 08:14:46 -0800 (PST) Received: from [192.168.1.129] (mau.donbass.com. [92.242.127.250]) by mx.google.com with ESMTPSA id e1sm8368374laa.8.2014.02.27.08.14.45 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 27 Feb 2014 08:14:45 -0800 (PST) Message-ID: <530F6475.4090508@gmail.com> Date: Thu, 27 Feb 2014 18:14:45 +0200 From: Volodymyr Kostyrko User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: Anton Sayetsky , freebsd-fs@freebsd.org Subject: Re: ZFS and Wired memory, again References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Feb 2014 16:14:49 -0000 22.11.2013 21:53, Anton Sayetsky написав(ла): > Hello, > > I'm planning to deploy a ~150 TiB ZFS pool and when playing with ZFS > noticed that amount of wired memory is MUCH bigger than ARC size (in > absence of other hungry memory consumers, of course). I'm afraid that > this strange behavior may become even worse on a machine with big pool > and some hundreds gibibytes of RAM. > > So let me explain what happened. +1 from me, FreeBSD 10, uma=0 52 processes: 2 running, 49 sleeping, 1 zombie CPU: 0.0% user, 0.0% nice, 0.0% system, 0.4% interrupt, 99.6% idle Mem: 31M Active, 16K Inact, 3352M Wired, 17M Cache, 48M Free ARC: 1838M Total, 110M MFU, 18M MRU, 548K Anon, 1876M Header, 75M Other Swap: 4096M Total, 126M Used, 3969M Free, 3% Inuse Machine is plain dead. Running database or squid or anything causes excessive swapping. This is the state when I disabled all payload, with everything started swap goes to 500M and machine is burning disks. -- Sphinx of black quartz, judge my vow.