From owner-freebsd-arch@FreeBSD.ORG Thu Jan 31 11:24:31 2013 Return-Path: Delivered-To: freebsd-arch@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id A9B1B5DD; Thu, 31 Jan 2013 11:24:31 +0000 (UTC) (envelope-from des@des.no) Received: from smtp.des.no (smtp.des.no [194.63.250.102]) by mx1.freebsd.org (Postfix) with ESMTP id 501D8D48; Thu, 31 Jan 2013 11:24:31 +0000 (UTC) Received: from ds4.des.no (smtp.des.no [194.63.250.102]) by smtp-int.des.no (Postfix) with ESMTP id C05BB65B1; Thu, 31 Jan 2013 11:24:23 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id 7C1C3A995; Thu, 31 Jan 2013 12:24:23 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Konstantin Belousov Subject: Re: axe vm.max_wired References: <861umkurt8.fsf@ds4.des.no> <20120517055425.GA802@infradead.org> <4FC762DD.90101@FreeBSD.org> <4FC81D9C.2080801@FreeBSD.org> <4FC8E29F.2010806@shatow.net> <4FC95A10.7000806@freebsd.org> <4FC9F94B.8060708@FreeBSD.org> <51098977.4000603@FreeBSD.org> <20130131091853.GI2522@kib.kiev.ua> Date: Thu, 31 Jan 2013 12:24:21 +0100 In-Reply-To: <20130131091853.GI2522@kib.kiev.ua> (Konstantin Belousov's message of "Thu, 31 Jan 2013 11:18:53 +0200") Message-ID: <86boc5wq6y.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: Andriy Gapon , freebsd-arch@FreeBSD.org X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Jan 2013 11:24:31 -0000 Konstantin Belousov writes: > Andriy Gapon writes: > > I would like to propose to axe vm.max_wired limit. > The limit is useful to prevent the system from entering live-lock. > ZFS-using machines should be tuned. ZFS shouldn't be allowed to wire arbitrary amounts of memory. It is nearly impossible to handle passwords and encryption keys securely on ZFS systems, because there is no wired memory left for applications. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no