From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 71641] Unreasonable performance degradation in ext4 with full
data journaling
Date: Fri, 21 Mar 2014 16:04:12 +0000
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--- Comment #6 from Theodore Tso ---
Could you try changing JBD2_NR_BATCH (defined in include/linux/jbd2.h) from 64
to 256? If that improves, you can try 512, but that might not make a further
difference.
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