From: James Pearson <james-p@moving-picture.com>
To: linux-kernel@vger.kernel.org
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: 2.6.0 NFS-server low to 0 performance
Date: Mon, 12 Jan 2004 14:40:25 +0000 [thread overview]
Message-ID: <4002B1D9.872714FE@moving-picture.com> (raw)
Trond Myklebust <trond.myklebust@fys.uio.no> writes:
> På lau , 10/01/2004 klokka 11:08, skreiv Andi Kleen:
> > Trond Myklebust <trond.myklebust@fys.uio.no> writes:
> >
> > > The correct solution to this problem is (b). I.e. we convert mount to
> > > use TCP as the default if it is available. That is consistent with what
> > > all other modern implementations do.
> >
> > Please do that. Fragmented UDP with 16bit ipid is just russian roulette at
> > today's network speeds.
>
> I fully agree.
>
> Chuck Lever recently sent an update for the NFS 'mount' utility to
> Andries. Among other things, that update changes this default. We're
> still waiting for his comments.
If mount defaults to trying TCP first then UDP if the TCP mount fails,
should there be separate options for [rw]size depending on what type of
mount actually takes place? e.g. 'ursize' and 'uwsize' for UDP and
'trsize' and 'twsize' for TCP ?
James Pearson
next reply other threads:[~2004-01-12 14:40 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-12 14:40 James Pearson [this message]
2004-01-12 15:22 ` 2.6.0 NFS-server low to 0 performance Trond Myklebust
2004-01-13 11:08 ` Muli Ben-Yehuda
[not found] <1cpDr-5az-11@gated-at.bofh.it>
[not found] ` <1csrv-Er-9@gated-at.bofh.it>
2004-01-10 16:08 ` Andi Kleen
2004-01-10 16:19 ` Trond Myklebust
-- strict thread matches above, loose matches on Subject: below --
2004-01-06 0:46 Guennadi Liakhovetski
2004-01-07 13:36 ` Guennadi Liakhovetski
2004-01-07 22:30 ` bill davidsen
2004-01-08 12:48 ` Guennadi Liakhovetski
2004-01-07 17:49 ` Mike Fedyk
2004-01-07 18:13 ` Guennadi Liakhovetski
2004-01-07 18:19 ` Mike Fedyk
2004-01-07 19:06 ` Guennadi Liakhovetski
2004-01-09 10:08 ` Guennadi Liakhovetski
2004-01-09 18:00 ` Mike Fedyk
2004-01-10 0:38 ` Guennadi Liakhovetski
2004-01-10 1:38 ` Mike Fedyk
2004-01-10 11:10 ` Guennadi Liakhovetski
2004-01-10 14:30 ` Trond Myklebust
2004-01-10 20:04 ` Guennadi Liakhovetski
2004-01-10 21:57 ` Trond Myklebust
2004-01-10 22:14 ` Mike Fedyk
2004-01-10 22:47 ` Trond Myklebust
2004-01-10 22:42 ` Guennadi Liakhovetski
2004-01-10 22:51 ` Jesper Juhl
2004-01-11 13:18 ` Helge Hafting
2004-01-11 13:53 ` Russell King
2004-01-11 14:24 ` Guennadi Liakhovetski
2004-01-15 11:38 ` Pavel Machek
2004-01-12 5:06 ` Bill Davidsen
2004-01-12 14:27 ` Trond Myklebust
2004-01-12 15:12 ` Trond Myklebust
2004-01-16 5:44 ` Mike Fedyk
2004-01-16 6:05 ` Trond Myklebust
2004-01-16 6:53 ` Mike Fedyk
2004-01-10 22:34 ` Mike Fedyk
2004-01-10 22:52 ` Guennadi Liakhovetski
2004-01-10 22:57 ` Mike Fedyk
2004-01-10 23:00 ` Guennadi Liakhovetski
2004-01-08 21:42 ` Pavel Machek
2004-01-12 23:18 ` Guennadi Liakhovetski
2004-01-12 23:28 ` Jesper Juhl
2004-01-13 0:39 ` Pavel Machek
2004-01-14 3:00 ` Daniel Roesen
2004-01-14 18:16 ` Guennadi Liakhovetski
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