Date: Mon, 30 Oct 2006 08:41:25 -0600 From: Eric Anderson <anderson@centtech.com> To: Geoff Mohler <gmohler@speedtoys.com> Cc: freebsd-hackers@freebsd.org Subject: Re: NFS attr cache performance Message-ID: <45460F15.8020109@centtech.com> In-Reply-To: <20061029222751.O17408@mail.vidnet.net> References: <20061029222751.O17408@mail.vidnet.net>
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On 10/29/06 22:31, Geoff Mohler wrote: > Im looking for deep hacks into what I could do to make the 6.x NFS client > hold a larger (or much larger) file/directory attribute cache. > > In very large make "everything" environments with Fbsd, we are about 1/3rd > the speed of local disk coming from a very large Netapp box. > > The same make from a heavily patched/modified Linux NFS client is miles > faster than local disk. > > I have no insight to the Linux modifications, but looking at the nfsstats, > attribute calls are the bulk of the traffic to the NFS mounted file > system. > > Any and all ideas are OK..maybe something simple I overlooked. > > I need to reserve another build server early this week, and go over my > options again on whats not been working, and get the list numbers as well. > > Thanks in advance. See Bruce Evans very recent work on this on freebsd-fs@ mailing list. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------
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