linux-kernel - Re: Nick's vfs-scalability patches ported to 2.6.33-rt

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Message-ID: <20100310090142.GA9529@infradead.org>
Date:	Wed, 10 Mar 2010 04:01:42 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	john stultz <johnstul@...ibm.com>
Cc:	Nick Piggin <npiggin@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	lkml <linux-kernel@...r.kernel.org>,
	Clark Williams <williams@...hat.com>,
	John Kacur <jkacur@...hat.com>
Subject: Re: Nick's vfs-scalability patches ported to 2.6.33-rt

On Tue, Mar 09, 2010 at 06:51:02PM -0800, john stultz wrote:
> So this all means that with Nick's patch set, we're no longer getting
> bogged down in the vfs (at least at 8-way) at all. All the contention is
> in the actual filesystem (ext2 in group_adjust_blocks, and ext3 in the
> journal and block allocation code).

Can you check if you're running into any fs scaling limit with xfs?

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