[lkml]   [2009]   [Sep]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Regarding dm-ioband tests
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)

All rights reversed.

 \ /
  Last update: 2009-09-07 15:57    [W:0.098 / U:8.372 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site