From: Greg Banks <gnb@sgi.com>
To: Ian Thurlbeck <ian@stams.strath.ac.uk>
Cc: Olaf Kirch <okir@suse.de>, nfs@lists.sourceforge.net
Subject: Re: Strange delays on NFS server
Date: Wed, 25 Aug 2004 12:02:41 +1000 [thread overview]
Message-ID: <20040825020241.GB16037@sgi.com> (raw)
In-Reply-To: <412B0EDE.5010206@stams.strath.ac.uk>
On Tue, Aug 24, 2004 at 10:48:14AM +0100, Ian Thurlbeck wrote:
>
> What on earth could be writing up to 3GB of data to the drive ?
> As before the usual suspects of kjournald, kupdated, bdflush and
> nfsd turn up on the process list.
>
> Just how big is the nfs write cache on a typical server ?
It can be most of RAM.
> Is it
> writing the whole lot one go ?
It might be. What ratio of COMMIT to WRITE calls are you
seeing in nfsstat? Does the export have "sync" or "async"
in its options?
Greg.
--
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.
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next prev parent reply other threads:[~2004-08-25 2:02 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-11 10:55 Strange delays on NFS server Ian Thurlbeck
2004-08-11 11:58 ` Olaf Kirch
2004-08-11 12:58 ` Steve Dickson
2004-08-11 16:08 ` Ian Thurlbeck
2004-08-11 16:41 ` Olaf Kirch
2004-08-11 16:53 ` Phy Prabab
2004-08-11 16:57 ` Christoph Hellwig
2004-08-11 19:42 ` Norman Weathers
2004-08-12 8:04 ` Ian Thurlbeck
2004-08-12 15:15 ` Ian Thurlbeck
2004-08-13 14:53 ` Steve Dickson
2004-08-16 12:40 ` Ian Thurlbeck
[not found] ` <20040816131434.GL3510@suse.de>
[not found] ` <4120C8D5.3040606@stams.strath.ac.uk>
[not found] ` <20040816145435.GQ3510@suse.de>
[not found] ` <4124CD95.7020007@stams.strath.ac.uk>
[not found] ` <20040820095854.GC23176@suse.de>
2004-08-24 9:48 ` Ian Thurlbeck
2004-08-24 10:27 ` Jan Bruvoll
2004-08-25 2:02 ` Greg Banks [this message]
2004-08-25 8:40 ` Ian Thurlbeck
2004-08-25 10:02 ` Greg Banks
2004-08-25 10:36 ` Ian Thurlbeck
2004-08-24 11:07 ` Neil Brown
2004-08-24 14:22 ` Ian Thurlbeck
2004-08-24 23:54 ` Neil Brown
2004-08-26 11:01 ` Strange delays on NFS server (with piccies) Ian Thurlbeck
2004-08-27 1:22 ` Neil Brown
2004-08-27 4:10 ` Greg Banks
2004-08-11 19:07 ` Strange delays on NFS server Steve Dickson
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