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Date: Mon, 8 Jul 2013 21:43:52 -0400 (EDT)
From: Rick Macklem <rmacklem@uoguelph.ca>
To: Berend de Boer <berend@pobox.com>
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Subject: Re: Terrible NFS4 performance: FreeBSD 9.1 + ZFS + AWS EC2
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Cc: freebsd-fs <freebsd-fs@freebsd.org>, Garrett Wollman <wollman@freebsd.org>
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Berend de Boer wrote:
> >>>>> "Rick" == Rick Macklem <rmacklem@uoguelph.ca> writes:
> 
>     Rick> After you apply the patch and boot the rebuilt kernel, the
>     Rick> cpu overheads should be reduced after you increase the
>     value
>     Rick> of vfs.nfsd.tcphighwater.
> 
> What number would I be looking at? 100? 100,000?
> 
Garrett Wollman might have more insight into this, but I would say on
the order of 100s to maybe 1000s.

rick

> --
> All the best,
> 
> Berend de Boer
> 
> 
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