Date: Mon, 08 Jul 2013 13:19:14 +1200 From: Berend de Boer <berend@pobox.com> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Terrible NFS4 performance: FreeBSD 9.1 + ZFS + AWS EC2 Message-ID: <87sizp26i5.wl%berend@pobox.com> In-Reply-To: <580122426.2916694.1373242759482.JavaMail.root@uoguelph.ca> References: <87y59i0yni.wl%berend@pobox.com> <580122426.2916694.1373242759482.JavaMail.root@uoguelph.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
--pgp-sign-Multipart_Mon_Jul__8_13:19:13_2013-1
Content-Type: text/plain; charset=US-ASCII
>>>>> "Rick" == Rick Macklem <rmacklem@uoguelph.ca> writes:
>> Repeating this with nfs4 + udp: doesn't work at all, get
>> input/output error after a few files.
>>
Rick> The RFCs for NFSv4 require use of transport protocols that
Rick> include congestion control --> no UDP support. What client
Rick> are you using?
Happened to be Ubuntu 10.04 LTS.
>>
Rick> Please try this patch:
Rick> http://people.freebsd.org/rmacklem/~drc4.patch - After you
Rick> apply the patch and boot the rebuilt kernel,
Ah kernel. The problem is I'm on Amazon, and I doubt I can rebuilt the
kernel that easily. The patches to make that work only recently
landed.
I'll need to ask Colin Percival how I can safely do that.
--
All the best,
Berend de Boer
------------------------------------------------------
Awesome Drupal hosting: https://www.xplainhosting.com/
--pgp-sign-Multipart_Mon_Jul__8_13:19:13_2013-1
Content-Type: application/pgp-signature
Content-Transfer-Encoding: 7bit
Content-Description: OpenPGP Digital Signature
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (GNU/Linux)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=c5j3
-----END PGP SIGNATURE-----
--pgp-sign-Multipart_Mon_Jul__8_13:19:13_2013-1--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?87sizp26i5.wl%berend>