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https://issues.apache.org/jira/browse/HDDS-212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nanda kumar updated HDDS-212:
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Attachment: HDDS-212.000.patch
> Introduce NodeStateManager to manage the state of Datanodes in SCM
> ------------------------------------------------------------------
>
> Key: HDDS-212
> URL: https://issues.apache.org/jira/browse/HDDS-212
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: SCM
> Affects Versions: 0.2.1
> Reporter: Nanda kumar
> Assignee: Nanda kumar
> Priority: Major
> Fix For: 0.2.1
>
> Attachments: HDDS-212.000.patch
>
>
> Introducing {{NodeStateManager}} will make the lifecycle management of
> datanodes in SCM easy. NodeStateManager will be responsible for marking the
> datanodes as stale or dead when heartbeat is not received and it will
> maintain the current state of all the datanodes in the cluster.
> NodeStateManager should be the only place we maintain node state information,
> everyone else should use NodeStateManager to know about the state information.
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