From owner-freebsd-stable@FreeBSD.ORG Fri Sep 24 13:41:26 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 408911065672 for ; Fri, 24 Sep 2010 13:41:26 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 8108C8FC27 for ; Fri, 24 Sep 2010 13:41:25 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id QAA17643; Fri, 24 Sep 2010 16:41:21 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4C9CAA80.3060607@icyb.net.ua> Date: Fri, 24 Sep 2010 16:41:20 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.9) Gecko/20100920 Lightning/1.0b2 Thunderbird/3.1.4 MIME-Version: 1.0 To: Leroy van Logchem References: <20100924123331.GA62762@icarus.home.lan> <4C9CA1C3.5070608@icyb.net.ua> In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org, Jeremy Chadwick Subject: Re: 8.1-RELEASE: [zfs] [kmem] zfs destroy snapshot results in panic: kmem_map too small X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Sep 2010 13:41:26 -0000 on 24/09/2010 16:37 Leroy van Logchem said the following: > On Fri, Sep 24, 2010 at 3:04 PM, Andriy Gapon wrote: >> On amd64 set your vm.kmem_size to at least the amount of available memory that you >> got, or even more (1.5x, 2x). >> An easy way to do that (1x) is to set vm.kmem_size_scale="1". >> In head this is already done automatically, MFC to stable/8 is expected. > > Thank you all for the swift answers and advice. The upcoming auto scaling sounds > promising. Just to be sure, does the kmem_size_scale apply when using 8.1-R? Yes. -- Andriy Gapon