Date: Wed, 31 Jul 2013 18:37:28 +1200 From: Berend de Boer <berend@pobox.com> To: Joshua Boyd <boydjd@jbip.net> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Terrible NFS4 performance: FreeBSD 9.1 + UFS/ZFS + AWS EC2 Message-ID: <87ob9j5j6f.wl%berend@pobox.com> In-Reply-To: <CAHcKe7kapBR-YVPQHcWONzFpe-qQu%2BvDc_Z=6p%2BRPWesLOHF3A@mail.gmail.com> References: <8761wfvwml.wl%berend@pobox.com> <153512858.1034456.1373755540674.JavaMail.root@uoguelph.ca> <874nbb7cys.wl%berend@pobox.com> <CAHcKe7kapBR-YVPQHcWONzFpe-qQu%2BvDc_Z=6p%2BRPWesLOHF3A@mail.gmail.com>
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>>>>> "Joshua" == Joshua Boyd <boydjd@jbip.net> writes:
Joshua> Are you using EBS or ephemeral storage?
Both.
Joshua> If you are using EBS, how many provisioned IOPS and how
Joshua> many volumes are you using? In what configuration?
It doesn't matter a iota what you use. It's the NFS4 server in
FreeBSD. Not using any provisioned EBS.
Have tested against ephemeral zfs mirror, ebs root disk ufs, and
raidz2 zfs with 4 EBS disks.
Joshua> What ec2 instance size are you using?
m1.large.
Joshua> Are you running your tests against the NFS server from
Joshua> within EC2, or from a host outside of EC2?
within same zone.
All these details are irrelevant. See my test nfs3 versus nfs4. We
have a factor 10 difference here. Any hardware/disk factor is
irrelevant here. It's the FreeBSD nfs4 implementation.
I wish I had the time to solve it, sounds like an interesting problem,
but a lot of work I'm afraid.
--
All the best,
Berend de Boer
------------------------------------------------------
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