Date: Mon, 14 Apr 2008 20:34:45 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Robert Blayzor <rblayzor.bulk@inoc.net> Cc: nawfal@googlemail.com, freebsd-stable@freebsd.org Subject: Re: NFS and /etc/exports Message-ID: <20080415033445.GX95731@elvis.mu.org> In-Reply-To: <10B588A9-926B-47DC-8CB5-581FFA77DA31@inoc.net> References: <1208170926.12349.20.camel@nawfal-desktop> <1886249E-54FF-4EFE-A7B9-C6AB2488EB4D@inoc.net> <20080414232851.GU95731@elvis.mu.org> <10B588A9-926B-47DC-8CB5-581FFA77DA31@inoc.net>
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* Robert Blayzor <rblayzor.bulk@inoc.net> [080414 17:04] wrote: > On Apr 14, 2008, at 7:28 PM, Alfred Perlstein wrote: > > > >>Are -r and -w really needed/useful for TCP mounts? > > > >yes. > > > Really? Please explain then, because the mount_nfs man page > contradicts this... The documentation you cite is only relevant for UDP mounts. Basically, making the read/write size larger will allow more data to be sent with each RPC which reduces the uh, overhead. :) -Alfred > > "Set the read data size to the specified value. It should nor- > mally be a power of 2 greater than or equal to 1024. This should > be used for UDP mounts when the ``fragments dropped due to > timeout'' value is getting large while actively using a mountpoint." > > and > > "Set the write data size to the specified value. Ditto the comments > 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." > > > -- > Robert Blayzor, BOFH > INOC, LLC > rblayzor@inoc.net > http://www.inoc.net/~rblayzor/ > > Mac OS X. Because making Unix user-friendly is easier than debugging > Windows. > > > > > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- - Alfred Perlstein
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