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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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