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https://issues.apache.org/jira/browse/CLOUDSTACK-9568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15607606#comment-15607606
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Romain Dartigues commented on CLOUDSTACK-9568:
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Proposed fixes are tracked in https://github.com/apache/cloudstack/pull/1604.
> slow operations on systemvm
> ---------------------------
>
> Key: CLOUDSTACK-9568
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9568
> Project: CloudStack
> Issue Type: Improvement
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: SystemVM
> Affects Versions: 4.3.0, 4.4.0, 4.5.0, 4.3.1, 4.4.1, 4.4.2, 4.4.3, 4.3.2,
> 4.5.1, 4.4.4, 4.5.2, 4.6.0, 4.6.1, 4.6.2, 4.7.0, 4.7.1, 4.8.0, 4.8.1, 4.9.0
> Reporter: Romain Dartigues
> Labels: performance
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> On our setup we had issues with vrouters when a large number of VM were
> created at once.
> The vrouters try to arping the gateway (to refresh the ARP cache I suppose),
> but in some case it take too much time and the vrouters got killed for being
> unresponsive.
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