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>
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Marc G. Fournier wrote: > On 2013-04-24, at 14:18 , Rainer Duffner <rainer@ultra-secure.de> > wrote: >=20 > > > > 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 =E2=80=A6 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 =E2=80=A6 > >> > > > > > > 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 =E2=80=A6 > > > > > > I've just ran something like > > dd if=3D/dev/zero of=3Dbla bs=3D1000000 count=3D1000 > > > > on the nfsmount on the client. > > >=20 > Here is what I'm seeing with the Broadcom card: >=20 > IOZONE performance measurements: > 108561574 bytes/second for writing the file > 95311340 bytes/second for reading the file >=20 >=20 > That is using 'ozone 1024' for a 1G file =E2=80=A6 and no mount / kernel > settings =E2=80=A6 >=20 > The problem isn't with the single file read / write though =E2=80=A6 the > problem is when starting up an app server like jboss =E2=80=A6 my "refere= nce > server" is an old 32bit, 2 CPU + HT server with local drives =E2=80=A6 st= art > up takes, from jboss start to deploy: >=20 > JBoss AS 7.1.1.Final "Brontes" started in 87916ms >=20 > now, I do acknowledge that this is with local drives, so will always > be faster the NFS drives =E2=80=A6 but =E2=80=A6 >=20 > 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 =E2=80=A6 brand new 3xxx series NetApp > running 8.1.2 =E2=80=A6 and everything pretty much idle (non production y= et), > and: >=20 > JBoss AS 7.1.1.Final "Brontes" started in 310249ms >=20 >=20 > So, over 4x slower? >=20 > 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 =E2=80=A6 and I do have th= e > Intel card on the way, so see if that makes a difference =E2=80=A6 >=20 Along with rsize,wsize you might want to try increasing readahead. The default is only 1. rick >=20 >=20 >=20 > _______________________________________________ > 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"
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