Date: Sat, 8 Jan 2011 16:33:08 -0500 From: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> To: Dan Langille <dan@langille.org> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: ZFS - benchmark & tuning before and after doubling RAM Message-ID: <AANLkTiktTMV43L18Eg5Rdxc0Hw80pnePEkQGTuiv=2EZ@mail.gmail.com> In-Reply-To: <4D28CB06.8030301@langille.org> References: <4D28CB06.8030301@langille.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Jan 8, 2011 at 3:37 PM, Dan Langille <dan@langille.org> wrote: > I've been running a ZFS array for about 10 months on a system with 4GB of > RAM. I'm about to add another 4GB of RAM. > > I think this might be an opportune time to run some simple benchmarks and > do some tuning. Getting more out of the system is not a priority for me. > It does what I need now. However, I do see some merit in writing something > up for others to see/follow/learn. > > The system is running FreeBSD 8.2-PRERELEASE #1: Tue Nov 30 22:07:59 EST > 2010 on a 64 bit box. The ZFS array consists of 7x2TB commodity drives on > two SiI3124 SATA controllers. The OS runs off a gmirror RAID-1. > > More details here: http://www.freebsddiary.org/zfs-benchmark.php > > First, up, I've done a simple bonnie++ benchmark before I add more RAM. I > ran this on two different datasets; one with compression enabled, one > without. > > If anyone has suggestions for various tests, option settings, etc, I'm > happy to run them and include the results. We have lots of time to play > with this. > > -- > Dan Langille - http://langille.org/ > I think , you know the following pages : http://hub.opensolaris.org/bin/view/Community+Group+zfs/zfstestsuite http://dlc.sun.com/osol/test/downloads/current/ http://hub.opensolaris.org/bin/view/Community+Group+testing/testsuites http://hub.opensolaris.org/bin/view/Community+Group+testing/zones Some of the links may disappear spontaneously because of restructuring of their respective sites . Thank you very much . Mehmet Erol Sanliturk
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?AANLkTiktTMV43L18Eg5Rdxc0Hw80pnePEkQGTuiv=2EZ>