From owner-freebsd-fs@FreeBSD.ORG Wed Nov 2 06:07:50 2011 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 74CE11065674 for ; Wed, 2 Nov 2011 06:07:50 +0000 (UTC) (envelope-from shivaram.u@quadstor.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 475778FC0C for ; Wed, 2 Nov 2011 06:07:50 +0000 (UTC) Received: by iabz21 with SMTP id z21so4677812iab.13 for ; Tue, 01 Nov 2011 23:07:49 -0700 (PDT) MIME-Version: 1.0 Received: by 10.231.28.106 with SMTP id l42mr485014ibc.66.1320214069491; Tue, 01 Nov 2011 23:07:49 -0700 (PDT) Received: by 10.231.60.204 with HTTP; Tue, 1 Nov 2011 23:07:49 -0700 (PDT) X-Originating-IP: [117.192.99.131] In-Reply-To: <20111101211710.GA36797@voi.aagh.net> References: <20111101211710.GA36797@voi.aagh.net> Date: Wed, 2 Nov 2011 11:37:49 +0530 Message-ID: From: Shivaram Upadhyayula To: Thomas Hurst , Shivaram Upadhyayula , Dennis Glatting , freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Subject: Re: ZFS/compression/performance 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: Wed, 02 Nov 2011 06:07:50 -0000 Sorry i didn't know it will be stripped out :-) http://www.quadstor.com/ietbsd/compression.tgz LZF diff is against FreeBSD8-STABLE checkout about a week ago. Cheers, Shivaram On Wed, Nov 2, 2011 at 2:47 AM, Thomas Hurst wrote: > * Shivaram Upadhyayula (shivaram.u@quadstor.com) wrote: > >> I have recently started using ZFS and during that time i have tried out >> ZFS with lzf (http://oldhome.schmorp.de/marc/liblzf.html) and it seems >> to perform much better, both in speed and ratio over lzjb. >> >> Anyway my point is that, somewhere down the line other compression >> algorithms should be evaluated. gzip seems slow and it looks like lzjb >> may not be sufficient. For anyone interested, I have attached some of >> the tests i had run and the diff for lzf support. > > No you haven't :) > > -- > Thomas 'Freaky' Hurst > =A0 =A0http://hur.st/ > --=20 Reduce Storage expenditure with QUADStor Storage Virtualization http://www.quadstor.com