On Sun, Feb 28, 2016 at 04:02:51PM +0100, Pavel Machek wrote:
> Hi!
>
> > The problem is we don't know the max bandwidth a disk can provide for a
> > specific workload, which depends on the device and IO pattern. The estimated
> > bandwidth by patch 1 will be always not accurate unless the disk is
Hi!
> The problem is we don't know the max bandwidth a disk can provide for a
> specific workload, which depends on the device and IO pattern. The estimated
> bandwidth by patch 1 will be always not accurate unless the disk is already in
> max bandwidth. To solve this issue, we always over estimat
Hi,
Currently we have 2 iocontrollers. blk-throttling is bandwidth/iops based. CFQ
is weight based. It would be great there is a unified iocontroller for the two.
And blk-mq doesn't support ioscheduler, leaving blk-throttling the only option
for blk-mq. It's time to have a scalable iocontroller su
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