From owner-freebsd-current@FreeBSD.ORG Tue Nov 4 18:17:52 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C3B695F0 for ; Tue, 4 Nov 2014 18:17:52 +0000 (UTC) Received: from mail-wi0-f173.google.com (mail-wi0-f173.google.com [209.85.212.173]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 54B66941 for ; Tue, 4 Nov 2014 18:17:52 +0000 (UTC) Received: by mail-wi0-f173.google.com with SMTP id n3so10227449wiv.12 for ; Tue, 04 Nov 2014 10:17:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=8LPY71Q9DJG987vM7Dl+DQvJUdLagBZU4yfS6hLbOIw=; b=RCLPQ/Lc4gIgBr5nyiAZ7eCGAE2NxoJeNq4Dd2tLAzyjHi29C4qFiv8e3DDpYH67lH VzmHSiGQj9ZLTZp5TRIyY4IzbIqB6m5yPvwcPIkwcFw7ILovN6YMDqYxtDu/whmfVema R6y8pJ/4k/cxgSGUjMeJT0lRLHe7HRoEAmbfq0uOq2NwB9N/WDCM0QO1diUTPOPqTFGC XAiaJibamzHISU2unUCloxFszlWJn2zwYYHcc6+rlouLzkU9NCHGq+HXJtbzifgb050u RGvkTzO8smdkSUo20DnikbSwCqJP6FO8KzDhlbJ5vtc//jbclefavvCoFZexQfE4O1jo Ju2w== X-Gm-Message-State: ALoCoQn0SO46DAGZNik1vL1yELJH4rW4qzt/yi6C07V3M3x5V3+ED2PxeF1EQrSnnC71hjwURXmc X-Received: by 10.194.175.67 with SMTP id by3mr57513744wjc.32.1415125070261; Tue, 04 Nov 2014 10:17:50 -0800 (PST) Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk. [82.69.141.170]) by mx.google.com with ESMTPSA id 10sm1375457wjs.21.2014.11.04.10.17.48 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Nov 2014 10:17:49 -0800 (PST) Message-ID: <545917F7.8040107@multiplay.co.uk> Date: Tue, 04 Nov 2014 18:16:23 +0000 From: Steven Hartland User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Ben Perrault , Allan Jude Subject: Re: r273165. ZFS ARC: possible memory leak to Inact References: <1415098949.596412362.8vxee7kf@frv41.fwdcdn.com> <5458CCB6.7020602@multiplay.co.uk> <1415107358607-5962421.post@n5.nabble.com> <54590B55.3040206@freebsd.org> <2FA8DA4C-99D7-4BC6-BAA2-33CE89819577@gmail.com> In-Reply-To: <2FA8DA4C-99D7-4BC6-BAA2-33CE89819577@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: George Kola , "gibbs@freebsd.org" , "freebsd-current@freebsd.org" 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: Tue, 04 Nov 2014 18:17:52 -0000 On 04/11/2014 17:57, Ben Perrault wrote: > snip... > > I would also be interested in any additional debugging steps and would be willing to help test in any way I can - as I've seen the behavior a few times as well. As recently a Sunday evening, I caught a system running with ~44GB ARC but ~117GB inactive. > You should find the UMA summary script quite helpful in this regard: https://bugs.freebsd.org/bugzilla/attachment.cgi?id=147754