Re: kernel nfsd consuming 100% CPU on 2.4.17 and 2.4.18 with reiserfs?

From: Chris Mason (mason@suse.com)
Date: Tue Feb 26 2002 - 09:55:55 EST


On Tuesday, February 26, 2002 08:48:02 AM -0500 Brian Ristuccia
<bristucc@sw.starentnetworks.com> wrote:

> It seems that kernel nfsd consumes an inordinate amount of CPU time
> during writes on this machine. With a few hundred kb/sec being written
> over NFSv3 from a 2.2.17 client, all of the nfsd threads each consume as
> much of the available CPU time as possible. On a similarly configured
> machine with ext3 instead of reiserfs, nfsd consumes much less CPU time.
>
> Is there a known issue with NFSv3 performance and reiserfs?

No, it is not a known issue. Does it only happen with a 2.2.17 client, or
can you reproduce with any kernel version on the client?

-chris

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