[RFC][PATCH -mm 0/5] cgroup: block device i/o controller (v9)

Vivek Goyal vgoyal at redhat.com
Tue Sep 2 11:06:20 PDT 2008

On Wed, Aug 27, 2008 at 06:07:32PM +0200, Andrea Righi wrote:
> The objective of the i/o controller is to improve i/o performance
> predictability of different cgroups sharing the same block devices.
> Respect to other priority/weight-based solutions the approach used by this
> controller is to explicitly choke applications' requests that directly (or
> indirectly) generate i/o activity in the system.

Hi Andrea,

I was checking out the pass discussion on this topic and there seemed to
be two kind of people. One who wanted to control max bandwidth and other
who liked proportional bandwidth approach  (dm-ioband folks).

I was just wondering, is it possible to have both the approaches and let
users decide at run time which one do they want to use (something like
the way users can choose io schedulers).


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