Re: [PATCH 0/2] dm-band: The I/O bandwidth controller: Overview
On Wed, 2008-01-23 at 21:53 +0900, Ryo Tsuruta wrote: > Hi everyone, > > I'm happy to announce that I've implemented a Block I/O bandwidth controller. > The controller is designed to be of use in a cgroup or virtual machine > environment. The current approach is that the controller is implemented as > a device-mapper driver. What definition of bandwidth does it use? Does it for example account for seek latency? _______________________________________________ Containers mailing list Containers@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/containers
Hi Peter, > What definition of bandwidth does it use? Does it for example account > for seek latency? The bandwidth in dm-band is determined by the proportion of the processing time of each device's tokens(I/Os) to the processing time of all device's tokens(I/Os). The processing time of one token(I/O) is determined by one I/O cycle include seek latency, interrupt latency, etc... Thanks, Ryo Tsuruta <ryov@valinux.co.jp> _______________________________________________ Containers mailing list Containers@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/containers