Date: Wed, 31 Jul 2013 21:12:28 +1200 From: Berend de Boer <berend@pobox.com> To: Julian Elischer <julian@freebsd.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Terrible NFS4 performance: FreeBSD 9.1 + UFS/ZFS + AWS EC2 Message-ID: <87iozr5c03.wl%berend@pobox.com> In-Reply-To: <51F8BB33.2060901@freebsd.org> References: <8761wfvwml.wl%berend@pobox.com> <153512858.1034456.1373755540674.JavaMail.root@uoguelph.ca> <874nbb7cys.wl%berend@pobox.com> <51F8BB33.2060901@freebsd.org>
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>>>>> "Julian" == Julian Elischer <julian@freebsd.org> writes:
Julian> Recent evidence with AWS is suggesting that the
Julian> NOADAPTIVE_XXX options in the XENHVM kernel are now
Julian> seriously hindering AWS performance all over the place.
Julian> make sure you have tried with these options removed.
Julian, on the same machine nfs3 is better than Linux, and nfs4 is
terrible.
--
All the best,
Berend de Boer
------------------------------------------------------
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