linux-ext4 - Re: getdents - ext4 vs btrfs performance

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Message-ID: <CAJd=RBAs3KGVO8hdUY3peoG1JuxU7_SZ4Z=H0Uy43wLpUFkh7g@mail.gmail.com>
Date:	Thu, 1 Mar 2012 21:50:10 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Jacek Luczak <difrost.kernel@...il.com>
Cc:	Chris Mason <chris.mason@...cle.com>, linux-ext4@...r.kernel.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-btrfs@...r.kernel.org,
	lczerner@...hat.com
Subject: Re: getdents - ext4 vs btrfs performance

On Thu, Mar 1, 2012 at 9:35 PM, Jacek Luczak <difrost.kernel@...il.com> wrote:
>
> While I was about to grab acp I've noticed seekwatcher with made my day :)
>
> seekwatcher run of tar cf to eliminate writes (all done on 3.2.7):
> 1) btrfs: http://dozzie.jarowit.net/~dozzie/luczajac/tar_btrfs.png
> 2) ext4: http://dozzie.jarowit.net/~dozzie/luczajac/tar_ext4.png
> 3) both merged: http://dozzie.jarowit.net/~dozzie/luczajac/tar_btrfs_ext4.png
>
> I will send acp results soon.
>
Would you please take reiserfs into account?

Thanks
-hd
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