Nicolas Vazquez created CLOUDSTACK-9407:
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Summary: vm_network_map table doesnt get cleanup 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: 4.9.0
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 was 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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