For now, this support KVM only.
2013/5/30 Wei ZHOU <ustcweiz...@gmail.com> > Hi, > I would like to merge disk_io_throttling branch into master. > If nobody object, I will merge into master in 48 hours. > The purpose is : > > Virtual machines are running on the same storage device (local storage or > share strage). Because of the rate limitation of device (such as iops), if > one VM has large disk operation, it may affect the disk performance of > other VMs running on the same storage device. > It is neccesary to set the maximum rate and limit the disk I/O of VMs. > > The feature includes: > > (1) set the maximum rate of VMs (in disk_offering, and global > configuration) > (2) change the maximum rate of VMs > (3) limit the disk rate (total bps and iops) > JIRA ticket: https://issues.apache.org/jira/browse/CLOUDSTACK-1192 > FS (I will update later) : > https://cwiki.apache.org/confluence/display/CLOUDSTACK/VM+Disk+IO+Throttling > Merge check list :- > > * Did you check the branch's RAT execution success? > Yes > > * Are there new dependencies introduced? > No > > * What automated testing (unit and integration) is included in the new > feature? > Unit tests are added. > > * What testing has been done to check for potential regressions? > (1) set the bytes rate and IOPS rate on CloudStack UI. > (2) VM operations, including > deploy, stop, start, reboot, destroy, expunge. migrate, restore > (3) Volume operations, including > Attach, Detach > > To review the code, you can try > git diff c30057635d04a2396f84c588127d7ebe42e503a7 > f2e5591b710d04cc86815044f5823e73a4a58944 > > Best regards, > Wei > > [1] > https://cwiki.apache.org/confluence/display/CLOUDSTACK/VM+Disk+IO+Throttling > [2] refs/heads/disk_io_throttling > [3] > https://issues.apache.org/jira/browse/CLOUDSTACK-1301<https://issues.apache.org/jira/browse/CLOUDSTACK-2071>(CLOUDSTACK-1301 > - VM Disk I/O Throttling) >
