linux-kernel - Re: 2.6.31 under "heavy" NFS load.

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Message-ID: <20091123212726.GC8534@fieldses.org>
Date:	Mon, 23 Nov 2009 16:27:26 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Jesper Krogh <jesper@...gh.cc>
Cc:	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
	Greg Banks <gnb@...h.org>
Subject: Re: 2.6.31 under "heavy" NFS load.

On Thu, Nov 19, 2009 at 09:22:53PM +0100, Jesper Krogh wrote:
> Ok, I still haven't had the "excact same" workload put on the host, but
> it has been running on the patched kernel for 8 days now and I havent
> seen load numbers over 32 while service 1100MB/s over NFS (dd'ing 512
> bytes blocks out of the server from the clients) while doing local disk
> IO for an iowait of ~25% (4 cores sucking what they can). This workload
> is "similar" to the one sending it to load numbers of over 100 earlier.
> 
> So I'm confident that the problem is solved by reverting the patch.

OK, I'm applying the revert for 2.6.33.

--b.
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