* Robert Blayzor [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.
>
>
>
>
>
>
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--
- Alfred Perlstein
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