From: Jon Leighton <j@jonathanleighton.com>
To: Josef Bacik <josef@redhat.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Severe slowdown caused by jbd2 process
Date: Fri, 21 Jan 2011 14:28:29 +0000 [thread overview]
Message-ID: <1295620109.22802.1.camel@tybalt> (raw)
In-Reply-To: <20110121140306.GA11313@dhcp231-156.rdu.redhat.com>
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Hi there,
On Fri, 2011-01-21 at 09:03 -0500, Josef Bacik wrote:
> Heh so now that I've had a moment to wake up, how about running your test on
> ext3, but mount the partition with
>
> mount -o barrier
>
> and see if it's still faster than ext4. Thanks,
You're right, that slows it down significantly on the ext3 partition. Is
this expected behaviour with ext4 then?
Thanks
Jon
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next prev parent reply other threads:[~2011-01-21 14:28 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-21 0:13 Severe slowdown caused by jbd2 process Jon Leighton
2011-01-21 1:31 ` Josef Bacik
[not found] ` <1295601083.5799.3.camel@tybalt>
2011-01-21 12:59 ` Josef Bacik
2011-01-21 14:03 ` Josef Bacik
2011-01-21 14:28 ` Jon Leighton [this message]
2011-01-21 14:31 ` Josef Bacik
2011-01-21 23:56 ` Ted Ts'o
2011-01-22 1:11 ` torn5
2011-01-22 1:34 ` Ted Ts'o
2011-01-22 16:21 ` torn5
2011-01-22 19:37 ` Theodore Tso
2011-01-22 23:22 ` torn5
2011-01-23 5:17 ` Ted Ts'o
2011-01-23 18:43 ` torn5
2011-01-24 20:16 ` Ted Ts'o
2011-01-22 13:05 ` Ric Wheeler
2011-01-24 20:41 ` Darrick J. Wong
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