Messages in this thread | | | Date | Tue, 10 Jun 2008 10:44:28 +0530 | From | Balbir Singh <> | Subject | Re: [PATCH 0/3] cgroup: block device i/o bandwidth controller (v2) |
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Andrea Righi wrote: > The goal of the i/o bandwidth controller is to improve i/o performance > predictability and provide better QoS for 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. > > The direct bandwidth limiting method has the advantage of improving the > performance predictability at the cost of reducing, in general, the overall > performance of the system (in terms of throughput). > > Detailed informations about design, its goal and usage are described in the > documentation. >
I'll read through the documentation and comment.
> Tested against latest git (2.6.26-rc5). > > The all-in-one patch can be found at: > http://download.systemimager.org/~arighi/linux/patches/io-throttle/ >
Cool! thanks for doing this, it's useful.
> Previous version and test report can be found here: > http://lkml.org/lkml/2008/5/24/97
-- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL
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