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https://issues.apache.org/jira/browse/CLOUDSTACK-9407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nicolas Vazquez closed CLOUDSTACK-9407.
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Resolution: Fixed
> vm_network_map table doesnt get cleaned up properly
> ---------------------------------------------------
>
> Key: CLOUDSTACK-9407
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9407
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.9.0
> Reporter: Nicolas Vazquez
> Assignee: Nicolas Vazquez
> Fix For: 4.9.1.0
>
>
> h3. Introduction
> It was found out that in production environments {{vm_network_map}} table
> entries were slowly growing. It was investigated how this entries were
> cleaned up.
> h3. Behaviour
> On vm creation, vm mappings are inserted on {{vm_network_map}}.
> On vm stop, mappings are deleted from {{vm_network_map}} for vm, as a result
> of the release of its nics.
> h3. Problem
> If created vm is stopped from hypervisor side (at least on vSphere in which
> we tested it), when CloudStack realizes vm is stopped it doesn't clean up
> {{vm_network_table}}, and, as cleanup is made during vm stop, when vm is
> eventually destroyed and expunged it won't clean up their entries in that
> table.
> h3. Proposed solution
> We propose to move {{vm_network_map}} table cleanup to expunge command
> instead of stop command.
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