Messages in this thread | | | Date | Mon, 07 Sep 2009 09:53:41 -0400 | From | Rik van Riel <> | Subject | Re: Regarding dm-ioband tests |
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Ryo Tsuruta wrote:
> However, if you want to get fairness in a case like this, a new > bandwidth control policy which controls accurately according to > assigned weights can be added to dm-ioband.
Are you saying that dm-ioband is purposely unfair, until a certain load level is reached?
> We regarded reducing throughput loss rather than reducing duration > as the design of dm-ioband. Of course, it is possible to make a new > policy which reduces duration.
... while also reducing overall system throughput by design?
Why are you even bothering to submit this to the linux-kernel mailing list, when there is a codebase available that has no throughput or fairness regressions? (Vivek's io scheduler based io controler)
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