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https://issues.apache.org/jira/browse/CLOUDSTACK-1301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579263#comment-13579263
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Marcus Sorensen commented on CLOUDSTACK-1301:
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The Linux cgroup io controllers are generally horrible. Probably better
than nothing, but that's why I was thinking that if the primary storage
provides QoS it could do it. Or perhaps a user wants to install an
alternative cgroup controller like BetterLinux modules. Then use the
libvirt one as a fallback. But I wouldn't want to see it just applied as
extra XML that only libvirt supports.
On Feb 15, 2013 8:45 AM, "Wido den Hollander (JIRA)" <[email protected]>
> VM I/O Throttling
> -----------------
>
> Key: CLOUDSTACK-1301
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1301
> Project: CloudStack
> Issue Type: New Feature
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.0.0
> Reporter: Wei Zhou
>
> VM I/O Throttling, to set the maximum disk I/O rate of VMs.
> 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.
> More details:
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/VM+IO+Throttling
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