linux-kernel - Re: ext3 IO latency measurements (was: Linux 2.6.29)

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Message-ID: <20090326124652.GB16499@elte.hu>
Date:	Thu, 26 Mar 2009 13:46:52 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Theodore Tso <tytso@....edu>, Jan Kara <jack@...e.cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Nick Piggin <npiggin@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>,
	David Rees <drees76@...il.com>, Jesper Krogh <jesper@...gh.cc>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Roland McGrath <roland@...hat.com>
Subject: Re: ext3 IO latency measurements (was: Linux 2.6.29)


* Theodore Tso <tytso@....edu> wrote:

> Also, can you send me the output of "dumpe2fs -h /dev/sdXX | grep Journal"?

Sure:

 [root@...ebaran ~]# df
 Filesystem           1K-blocks      Used Available Use% Mounted on
 /dev/sda1             40313964  11595520  26670560  31% /
 /dev/sda2            403160732  35165460 347515212  10% /home
 tmpfs                  6159096        48   6159048   1% /dev/shm

 [root@...ebaran ~]# dumpe2fs -h /dev/sda2 | grep Journal
 dumpe2fs 1.40.8 (13-Mar-2008)
 Journal inode:            8
 Journal backup:           inode blocks
 Journal size:             128M

Stock Fedora 9 release/install, updated, and booted to 2.6.29.

	Ingo
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