Nanda kumar created HDDS-212:
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Summary: 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
Reporter: Nanda kumar
Assignee: Nanda kumar
Fix For: 0.2.1
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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