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From "Wido den Hollander (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-1301) VM I/O Throttling
Date Fri, 15 Feb 2013 15:45:20 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-1301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579256#comment-13579256
] 

Wido den Hollander commented on CLOUDSTACK-1301:
------------------------------------------------

I already made this spec: https://cwiki.apache.org/confluence/display/CLOUDSTACK/Disk+IO+statistics+for+instances

And the Jira ticket: https://issues.apache.org/jira/browse/CLOUDSTACK-449

We should have polling work first before we start doing the throttling, right?

I know that KVM (with libvirt) supports it all.
                
> 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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