Date: Mon, 8 Jul 2013 21:43:52 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: Berend de Boer <berend@pobox.com> Cc: freebsd-fs <freebsd-fs@freebsd.org>, Garrett Wollman <wollman@freebsd.org> Subject: Re: Terrible NFS4 performance: FreeBSD 9.1 + ZFS + AWS EC2 Message-ID: <27783474.3353362.1373334232356.JavaMail.root@uoguelph.ca> In-Reply-To: <87ppuszgth.wl%berend@pobox.com>
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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 > > > ------------------------------------------------------ > Awesome Drupal hosting: https://www.xplainhosting.com/ > >
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