Date: Thu, 2 May 2013 14:05:38 -0700 From: "Marc G. Fournier" <scrappy@hub.org> To: "Lawrence K. Chen, P.Eng." <lkchen@ksu.edu> Cc: freebsd-fs@freebsd.org Subject: Re: NFS Performance issue against NetApp Message-ID: <75CB6F1E-385D-4E51-876E-7BB8D7140263@hub.org> In-Reply-To: <834305228.13772274.1367527941142.JavaMail.root@k-state.edu> References: <834305228.13772274.1367527941142.JavaMail.root@k-state.edu>
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On 2013-05-02, at 13:52 , "Lawrence K. Chen, P.Eng." <lkchen@ksu.edu> = wrote: > Yeah, I didn't have any problems with FreeBSD 9.0 on G7, the boss = didn't like the lack of passthru and having to configure a bunch of raid = 0 luns for each disk with the SmartArray P410i...so he was going through = everything putting in the LSI SAS 2008s, and decided while he was at it = to switch to all Intel EXPI9402PT cards....it might be because of the = G7's that are doing SmartOS. He swapped out all the memory=85. =20 I tried Intel vs Broadcom, and didn't notice any difference =85 New NFS = is slower then Old NFS, but that's just a difference of a 5m start up vs = a 4m start up =85 even OpenBSD is faster by ~25% "out of the box" =85 The thing is, I'm not convinced it is a NFS related issue =85 there are = *so* many other variables involved =85 it could be something with the = network stack =85 it could be something with the scheduler =85 it could = be =85 hell, it could be like the guy states in that blog posting = (http://antibsd.wordpress.com/) and be the compiler changes =85=20 I found this in my searches that talks about how much CPU on the NetAPP = side is used when using a FreeBSD client over Linux: = http://www.makingitscale.com/2012/freebsd-linux-nfs-and-the-attribute-cach= e.html My big question is why is Linux so much less aggressive then FreeBSD in = this guys tests? Is the Linux implementation "skipping" something in = their processing? Are we doing something that is "optional", but for = completeness, we've implemented it while they've chosen to leave it out? There has to be something to explain such dramatic differences =85 :( >=20 > Joked that he was replacing everything except for the case.... >=20 > ----- Original Message ----- >>=20 >> Am 24.04.2013 um 23:29 schrieb "Lawrence K. Chen, P.Eng." >> <lkchen@ksu.edu>: >>=20 >>> Hmmm, I guess all our Gen8's have been for the new vCloud project. >>> But, a few months ago boss had gone to putting LSI SAS 2008 and >>> Intel EXPI9402PT cards into our other Proliants (DL380 G7's and >>> DL180 G6's). Currently the only in production FreeBSD server >>> (9.1) is on a DL180 G6. I was working on a DL380 G7, but I lost >>> that hardware to a different project. >>>=20 >>=20 >>=20 >> G6 and G7 is no problem. At least DL360 + DL380, which we use >> (almost) exclusively. >> The onboard-NICs are supposed to be swappable for something else - >> but there aren't any useful modules yet (a 10G module is available). >>=20 >>=20 >>=20 >>=20
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