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Type:
Sub-task
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Status: Resolved
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: HA branch (HDFS-1623)
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Fix Version/s: HA branch (HDFS-1623)
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Labels:None
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Hadoop Flags:Reviewed
DatanodeProtocol#sendHeartbeat() returns DatanodeCommand[]. This jira proposes changing it to to return HeartbeatResponse that has DatanodeCommand[]. This allows adding other information that can be returned by the namenode to the datanode, instead of having to only return DatanodeCommand[]. For relevant discussion see HDFS-1972.