Date: Thu, 27 Nov 2008 03:07:25 +0800 From: "Lin Jui-Nan Eric" <ericlin@tamama.org> To: "Claus Guttesen" <kometen@gmail.com> Cc: stable@freebsd.org Subject: Re: NFS Performance Issue Message-ID: <47713ee10811261107r956aa8ag2340c92f3e820bcc@mail.gmail.com> In-Reply-To: <b41c75520811261029l14d0d8cbk891b4abdf12fb8ae@mail.gmail.com> References: <47713ee10811260821taf548aapceb210a3bc7314ea@mail.gmail.com> <b41c75520811261029l14d0d8cbk891b4abdf12fb8ae@mail.gmail.com>
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On Thu, Nov 27, 2008 at 2:29 AM, Claus Guttesen <kometen@gmail.com> wrote: >> We recently found that the Performance of the NFS Client in FreeBSD is >> worse than that in Linux. > > What OS is your nfs-server running? Our NFS server is NetApp. > > You can ommit read- and write-size using tcp-mounts. From 'man mount_nfs': > > -w Set the write data size to the specified value. Ditto the com- > ments w.r.t. the -r option, but using the ``fragments dropped due > to timeout'' value on the server instead of the client. Note > that both the -r and -w options should only be used as a last > ditch effort at improving performance when mounting servers that > do not support TCP mounts. > > I have a solaris 9 nfs-server with vxfs and I used to mount using udp > but then I ran into 'server not responding' and changed to > tcp-nfs-mount instead. I just copied a 200 MB file to the nfs-server > in 7.5 sec. which is 26.6 MB/s. > I'm trying to mount without read- and write-size now. Thank you!
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