linux-kernel - Re: [PATCH] Clustering indirect blocks in Ext3

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Message-ID: <18243.17058.469444.94821@stoffel.org>
Date:	Tue, 20 Nov 2007 15:25:06 -0500
From:	"John Stoffel" <john@...ffel.org>
To:	"Abhishek Rai" <abhishekrai@...gle.com>
Cc:	"Matt Mackall" <mpm@...enic.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Andreas Dilger" <adilger@....com>, linux-kernel@...r.kernel.org,
	"Ken Chen" <kenchen@...gle.com>,
	"Mike Waychison" <mikew@...gle.com>
Subject: Re: [PATCH] Clustering indirect blocks in Ext3

Abhishek> It took me some time to get compilebench working due to the
Abhishek> known issue with drop_caches due to circular lock dependency
Abhishek> between j_list_lock and inode_lock (compilebench triggers
Abhishek> drop_caches quite frequently). Here are the results for
Abhishek> compilebench run with options "-i 30 -r 30". I repeated the
Abhishek> test 5 times on each of vanilla and mc configurations.

Abhishek> Setup: 4 cpu, 8GB RAM, 400GB disk.

How about running these tests on a more pedestrian system which people
will actually have?  Like 1gb, 1cpu and 400gb of a single disk?  

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