From owner-freebsd-current@FreeBSD.ORG Wed Nov 5 09:53:49 2014 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6151F468 for ; Wed, 5 Nov 2014 09:53:49 +0000 (UTC) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 9A921DC5 for ; Wed, 5 Nov 2014 09:53:48 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id LAA14978; Wed, 05 Nov 2014 11:55:41 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1XlxHe-0009ql-Jo; Wed, 05 Nov 2014 11:53:46 +0200 Message-ID: <5459F372.1010405@FreeBSD.org> Date: Wed, 05 Nov 2014 11:52:50 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 MIME-Version: 1.0 To: Steven Hartland , freebsd-current@FreeBSD.org Subject: Re: r273165. ZFS ARC: possible memory leak to Inact References: <5458c456.25b9340a.54d5.6310SMTPIN_ADDED_BROKEN@mx.google.com> <5458CCB6.7020602@multiplay.co.uk> In-Reply-To: <5458CCB6.7020602@multiplay.co.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 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: Wed, 05 Nov 2014 09:53:49 -0000 On 04/11/2014 14:55, Steven Hartland wrote: > This is likely spikes in uma zones used by ARC. > > The VM doesn't ever clean uma zones unless it hits a low memory condition, which > explains why your little script helps. > > Check the output of vmstat -z to confirm. Steve, this is nonsense :-) You know perfectly well that UMA memory is Wired not Inactive. -- Andriy Gapon