From: Greg Banks <gnb@melbourne.sgi.com>
To: howard chen <howachen@gmail.com>
Cc: nfs@lists.sourceforge.net
Subject: Re: [NFS] Advise on NFS performance tunning.
Date: Mon, 09 Feb 2009 15:57:30 +1100 [thread overview]
Message-ID: <498FB7BA.6020402@melbourne.sgi.com> (raw)
In-Reply-To: <b66ddc900902082040m24aef720ybab2fd6646377246@mail.gmail.com>
howard chen wrote:
> Are there any way I can tune my NFS setup?
>
> e.g.
>
> 1. adding more memory to server?
> 2. adding more memory to client?
> 3. upgrade to NFS v4?
> ...
>
> NFS mount option:
> async,noatime,noexec,nosuid,hard,intr,udp,retry=3,rsize=32768,wsize=32768
> NFS version: 3
>
>
http://mirror.linux.org.au/pub/linux.conf.au/2008/slides/130-lca2008-nfs-tuning-secrets-d7.odp
See in particular slides 27-30, 71-74, 86-88.
You mention increasing the server's RAM; this might help if you're
thrashing the server's dentry or pages caches. Unfortunately I don't
know of a sensible or easy way to check this, except by comparing the
working set size to RAM.
Bumping up actimeo on the client could be a useful way to reduce the
amount of GETATTR traffic.
--
Greg Banks, P.Engineer, SGI Australian Software Group.
the brightly coloured sporks of revolution.
I don't speak for SGI.
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next prev parent reply other threads:[~2009-02-09 5:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-09 4:40 [NFS] Advise on NFS performance tunning howard chen
2009-02-09 4:57 ` Greg Banks [this message]
2009-02-09 18:22 ` Chuck Lever
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