linux-ext4 - [Bug 42895] jbd2 makes all system unresponsive

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Message-Id: <20120518145227.212FA11FCF6@bugzilla.kernel.org>
Date:	Fri, 18 May 2012 14:52:27 +0000 (UTC)
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 42895] jbd2 makes all system unresponsive

https://bugzilla.kernel.org/show_bug.cgi?id=42895

--- Comment #20 from Eugene <ivanovstm2@...il.ru>  2012-05-18 14:52:26 ---
to Theodore Ts'o:

I'm on freshly formatted pure ext4 fs and it's at the very least not any slower
than my ext3 was, no questions here. I just used an opportunity to ask for
assistance in bug report related to my own and launchpad's "jbd2 writing block
every 5-10 seconds".

I'm not experiencing slowdowns. Just periodic writes. And after monitoring disk
activity and making some tweaks to applications (mostly firefox) it's got
better. After that the only thing that confused me was number of inodes which
jbd2 writes and you explained it.

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