Terrible NFS4 performance: FreeBSD 9.1 + UFS/ZFS + AWS EC2

[Berend de Boer]

>>>>> "Julian" == Julian Elischer <julian at 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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