Hi,
I am just figuring out the performance issues - thanks guys for this bug
description!
It looks like the problem remains unsolved:
$iostat -cd
Linux 4.4.0-63-generic (ruprecht) 21.2.2017 _x86_64_ (8 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
1,52 0,01 0,41 13,03 0,00 85,04
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
sda 142,33 1832,54 541,55 2174234 642525
sdb 18,86 0,08 541,55 92 642525
...
dm-0 158,76 1832,46 541,55 2174142 642525
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https://bugs.launchpad.net/bugs/361733
Title:
dmraid(fakeRAID) raid1 driver doesn't loadbalance reads
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