From owner-freebsd-fs@FreeBSD.ORG Tue May 11 22:02:06 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3C6241065673 for ; Tue, 11 May 2010 22:02:06 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-pz0-f174.google.com (mail-pz0-f174.google.com [209.85.222.174]) by mx1.freebsd.org (Postfix) with ESMTP id 11D8F8FC13 for ; Tue, 11 May 2010 22:02:05 +0000 (UTC) Received: by pzk4 with SMTP id 4so2718001pzk.7 for ; Tue, 11 May 2010 15:02:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=L+RAYM0Ley3HYvb45Cl6jj3BGUtcrUoTYhrjm3kGjIs=; b=eOUTM7rjedZvYItXBFupXJlXetfGRQrM/5uUP3KTbjxK3gZDSkhEDdpvo1FvRiPy6d KCExVyc2F29t3NUf3QydCFvIb6RX3wPHuMZw7c7ln9Cu7+wdgA7eJGRNTyi9OovrcVqa DnF+8y8yC/9AEUumDj+94qdw8BBPbaf4GYSc0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=fZdB/bldCzdbi+B0/kfRjy/qYtuPm9mJrQgaDBD8EaFFFkOxMzqosuwvxD9vxZw3D7 bmW6FRXe2aioRGXYkdy+7mWsWCUY5fCC6orYrUOh9162g8bvPKP0rU6gaFjRNq6a9vib ArX9uroKoNM/FoJcwECcLKATgMiiKp5l+o248= MIME-Version: 1.0 Received: by 10.143.153.23 with SMTP id f23mr4477420wfo.64.1273615325129; Tue, 11 May 2010 15:02:05 -0700 (PDT) Received: by 10.143.41.20 with HTTP; Tue, 11 May 2010 15:02:05 -0700 (PDT) In-Reply-To: <00e201caf150$91d3b950$b57b2bf0$@com> References: <00e201caf150$91d3b950$b57b2bf0$@com> Date: Tue, 11 May 2010 15:02:05 -0700 Message-ID: From: Freddie Cash To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: Very bad ZFS performance on fresh FreeBSD 8 installation X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 May 2010 22:02:06 -0000 You've limited the ARC to 64 MB, limited the kernel to 1 GB, and wondering why performance is slow? :) You're running the 64-bit version of FreeBSD. You can remove the kmem settings from loader.conf. And you should be able to boost the ARC to at least 1 GB (unless you really need the RAM for app uses). The best thing to do to improve performance is to add more RAM. :) -- Freddie Cash fjwcash@gmail.com