From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 76821] New: jbd2 write on disk each 5/6 seconds
Date: Sat, 24 May 2014 12:14:10 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=3D76821
Bug ID: 76821
Summary: jbd2 write on disk each 5/6 seconds
Product: File System
Version: 2.5
Kernel Version: 3.14.4-1-ARCH
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext4
Assignee: fs_ext4@kernel-bugs.osdl.org
Reporter: abdelhak@cryptolab.net
Regression: No
=E2=9E=9C ~ sudo iotop -obtqqq | grep jbd2 =20
[sudo] password for hacko:=20
13:12:05 390 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.87 %
[jbd2/sda6-8]
13:12:06 390 be/3 root 0.00 B/s 31.45 K/s 0.00 % 2.48 %
[jbd2/sda6-8]
13:12:12 111 be/3 root 0.00 B/s 11.53 K/s 0.00 % 4.99 %
[jbd2/sda3-8]
13:12:19 390 be/3 root 0.00 B/s 3.84 K/s 0.00 % 2.98 %
[jbd2/sda6-8]
13:12:25 390 be/3 root 0.00 B/s 3.84 K/s 0.00 % 5.91 %
[jbd2/sda6-8]
13:12:25 111 be/3 root 0.00 B/s 23.03 K/s 0.00 % 5.71 %
[jbd2/sda3-8]
13:12:31 390 be/3 root 0.00 B/s 3.84 K/s 0.00 % 4.42 %
[jbd2/sda6-8]
13:12:32 390 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.03 %
[jbd2/sda6-8]
13:12:34 390 be/3 root 0.00 B/s 23.05 K/s 0.00 % 7.62 %
[jbd2/sda6-8]
13:12:39 390 be/3 root 0.00 B/s 26.86 K/s 0.00 % 4.40 %
[jbd2/sda6-8]
13:12:46 390 be/3 root 0.00 B/s 3.83 K/s 0.00 % 4.42 %
[jbd2/sda6-8]
13:12:53 390 be/3 root 0.00 B/s 11.49 K/s 0.00 % 4.31 %
[jbd2/sda6-8]
13:13:01 390 be/3 root 0.00 B/s 11.53 K/s 0.00 % 4.46 %
[jbd2/sda6-8]
13:13:07 390 be/3 root 0.00 B/s 7.69 K/s 0.00 % 4.55 %
[jbd2/sda6-8]
13:13:12 390 be/3 root 0.00 B/s 11.56 K/s 0.00 % 4.85 %
[jbd2/sda6-8]
13:13:19 390 be/3 root 0.00 B/s 11.56 K/s 0.00 % 4.27 %
[jbd2/sda6-8]
13:13:23 390 be/3 root 0.00 B/s 46.13 K/s 0.00 % 9.26 %
[jbd2/sda6-8]
13:13:26 390 be/3 root 0.00 B/s 7.54 K/s 0.00 % 6.05 %
[jbd2/sda6-8]
13:13:31 390 be/3 root 0.00 B/s 30.01 K/s 0.00 % 4.60 %
[jbd2/sda6-8]
--=20
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