From owner-freebsd-current@FreeBSD.ORG Mon Oct 7 19:08:27 2013 Return-Path: Delivered-To: freebsd-current@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 ESMTP id D5776C42; Mon, 7 Oct 2013 19:08:27 +0000 (UTC) (envelope-from satan@ukr.net) Received: from hell.ukr.net (hell.ukr.net [212.42.67.68]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 909722A76; Mon, 7 Oct 2013 19:08:27 +0000 (UTC) Received: from satan by hell.ukr.net with local ID 1VTFt2-000Lbt-E4 ; Mon, 07 Oct 2013 21:50:32 +0300 Date: Mon, 7 Oct 2013 21:50:32 +0300 From: Vitalij Satanivskij To: Mark Felder Subject: Re: ZFS L2ARC - incorrect size and abnormal system load on r255173 Message-ID: <20131007185032.GA82932@hell.ukr.net> References: <1381166916.122992963.5h9ygiri@frv45.ukr.net> <1381170764.32684.31088349.343931EE@webmail.messagingengine.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1381170764.32684.31088349.343931EE@webmail.messagingengine.com> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Oct 2013 19:08:27 -0000 Data on pool have compressratio around 1.4 On diferent servers with same data type and load L2 ARC Size: (Adaptive) can be diferent for example 1.04 TiB vs 1.45 TiB But it's all have same porblem - grow in time. More stange for us - ARC: 80G Total, 4412M MFU, 5040M MRU, 76M Anon, 78G Header, 2195M Other 78G header size and ubnormal - kstat.zfs.misc.arcstats.l2_cksum_bad: 210920592 kstat.zfs.misc.arcstats.l2_io_error: 7362414 sysctl's growing avery second. All part's of server (as hardware part's) in in normal state. After reboot no problem's for some period untile cache size grow to some limit. Mark Felder wrote: MF> On Mon, Oct 7, 2013, at 13:09, Dmitriy Makarov wrote: MF> > MF> > How can L2 ARC Size: (Adaptive) be 1.44 TiB (up) with total physical size MF> > of L2ARC devices 490GB? MF> > MF> MF> http://svnweb.freebsd.org/base?view=revision&revision=251478 MF> MF> L2ARC compression perhaps? MF> _______________________________________________ MF> freebsd-current@freebsd.org mailing list MF> http://lists.freebsd.org/mailman/listinfo/freebsd-current MF> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"