You have to run the tests on both containers at the same time, then you
will see the difference.
If no container need IO, your first container will get the same speed as
your second.
Regards,
Andreas
Am 17.10.2013 10:54, schrieb autumn_sky_is:
Hi, i'm using lxc in my project, i want to control disk io speed, so i
use blkio.weight, but the result is confusing.
I create 2 containers lxc1 and lxc2
lxc1: lxc.blkio.weight=100; lxc2:lxc.blkio.weight=1000
the running scripts are same in lxc1 and lxc2:
sync
echo 3 /proc/sys/vm/drop_caches
dd if=/var/a.img of=/dev/null bs=1M count=2000
I have read [1], and I check the io scheduler:
noop anticipatory deadline [cfq]
I suppose that lxc1 is slower than lxc2, but the test turn out that
they are in same speed.
Can you help me figure it out? Thank you.
PS: my kernel is 2.6.32, lxc version is 0.9.0
[1] http://osdir.com/ml/lxc-chroot-linux-containers/2011-12/msg00083.html
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