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https://issues.apache.org/jira/browse/HDDS-2593?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell updated HDDS-2593:
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Summary: DatanodeAdminMonitor should track under replicated containers and
complete the admin workflow accordingly (was: DatanodeAdminMonitor should
track unreplicated containers and complete the admin workflow accordingly)
> DatanodeAdminMonitor should track under replicated containers and complete
> the admin workflow accordingly
> ---------------------------------------------------------------------------------------------------------
>
> Key: HDDS-2593
> URL: https://issues.apache.org/jira/browse/HDDS-2593
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: SCM
> Affects Versions: 0.5.0
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
>
> HDDS-2459 allowed the replicationManager to take care of containers which are
> under-replicated due to decommission and maintenance.
> Its also exposed a new API to return a ContainerReplicaCount object:
> {code}
> getContainerReplicaCount(Container container)
> {code}
> This object will allow the DatanodeAdminMonitor to check if each container is
> "sufficiently replicated" before decommission or maintenance can complete and
> hence can be used to track the progress of each node as it progresses though
> the admin workflow.
> We should track the containers on each node in administration and ensure that
> each is closed and sufficiently replicated before allowing decommission to
> complete.
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