Date: Wed, 24 Apr 2013 19:02:29 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-fs@freebsd.org Subject: Re: NFS Performance issue against NetApp Message-ID: <753914397.1123782.1366844549491.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <8A0622F0-D9FD-493B-8BDF-82D1359463F3@hub.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Marc G. Fournier wrote: > On 2013-04-24, at 14:18 , Rainer Duffner <rainer@ultra-secure.de> > wrote: > > > > > Am 24.04.2013 um 23:02 schrieb "Marc G. Fournier" <scrappy@hub.org>: > > > >> > >> On 2013-04-24, at 12:48 , Rainer Duffner <rainer@ultra-secure.de> > >> wrote: > >> > >>> > >>> In the NFS mount options. > >>> I've re-done my tests and it still seems to be a problem. > >> > >> 'k, just to clarify … your tests are with the Broadcom chipset(s)? > >> I have an Intel card on order, so will run tests against that as > >> soon as it gets here to see how it changes … > >> > > > > > > No, with the intel card then. > > Even then it was slow. > > > > > > > >> Just curious, but what are you running for tests? I noticed it > >> visually, but other then using something like iozone21, not sure > >> what is useful for coming up with a benchmark … > > > > > > I've just ran something like > > dd if=/dev/zero of=bla bs=1000000 count=1000 > > > > on the nfsmount on the client. > > > > Here is what I'm seeing with the Broadcom card: > > IOZONE performance measurements: > 108561574 bytes/second for writing the file > 95311340 bytes/second for reading the file > > > That is using 'ozone 1024' for a 1G file … and no mount / kernel > settings … > > The problem isn't with the single file read / write though … the > problem is when starting up an app server like jboss … my "reference > server" is an old 32bit, 2 CPU + HT server with local drives … start > up takes, from jboss start to deploy: > > JBoss AS 7.1.1.Final "Brontes" started in 87916ms > > now, I do acknowledge that this is with local drives, so will always > be faster the NFS drives … but … > > HP Proliant Gen8, 64bit, 16G of RAM, Oodles of CPU: > FreeBSD/SMP: Multiprocessor System Detected: 24 CPUs > FreeBSD/SMP: 2 package(s) x 6 core(s) x 2 SMT threads > Brand new HP Procurve 2910al-24G … brand new 3xxx series NetApp > running 8.1.2 … and everything pretty much idle (non production yet), > and: > > JBoss AS 7.1.1.Final "Brontes" started in 310249ms > > > So, over 4x slower? > > Can you send me what your mount options are in /etc/fstab? I'd like to > try that out and compare against the two above … and I do have the > Intel card on the way, so see if that makes a difference … > Along with rsize,wsize you might want to try increasing readahead. The default is only 1. rick > > > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?753914397.1123782.1366844549491.JavaMail.root>