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https://issues.apache.org/jira/browse/CLOUDSTACK-6218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sheng Yang resolved CLOUDSTACK-6218.
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Resolution: Fixed
The fix is already checked in.
> VR commands need to be serialized in VR resource
> ------------------------------------------------
>
> Key: CLOUDSTACK-6218
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6218
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Virtual Router
> Affects Versions: 4.4.0
> Reporter: Sheng Yang
> Assignee: Sheng Yang
> Fix For: 4.4.0
>
>
> In very large scale parallel deployment, multiple commands executed at VR
> would result in VR itself's lock time out, since the later commands would
> need to wait longer and longer for execution.
> This fix would put a lock in VR resource part, and make sure every commands
> to VR would be queued before executed in VR, prevent timeout in the VR.
> However, the timeout would still possible with agent manager level, if VR
> resource has too many commands to deal with and cannot give back answer in
> time. But this timeout can be adjusted from mgmt server side, so the problem
> is mitigated.
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