Date: Sun, 26 Jan 2014 19:23:38 -0800 From: John-Mark Gurney <jmg@funkthat.com> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-net@freebsd.org, Adam McDougall <mcdouga9@egr.msu.edu> Subject: Re: Terrible NFS performance under 9.2-RELEASE? Message-ID: <20140127032338.GP13704@funkthat.com> In-Reply-To: <1629593139.16590858.1390789014324.JavaMail.root@uoguelph.ca> References: <52DC1241.7010004@egr.msu.edu> <1629593139.16590858.1390789014324.JavaMail.root@uoguelph.ca>
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Rick Macklem wrote this message on Sun, Jan 26, 2014 at 21:16 -0500:
> Btw, thanks go to Garrett Wollman for suggesting the change to MJUMPAGESIZE
> clusters.
>
> rick
> ps: If the attachment doesn't make it through and you want the patch, just
> email me and I'll send you a copy.
The patch looks good, but we probably shouldn't change _readlink..
The chances of a link being >2k are pretty slim, and the chances of
the link being >32k are even smaller...
In fact, we might want to switch _readlink to MGET (could be conditional
upon cnt) so that if it fits in an mbuf we don't allocate a cluster for
it...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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