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From "Suresh Srinivas (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2616) Change DatanodeProtocol#sendHeartbeat to return HeartbeatResponse
Date Thu, 01 Dec 2011 01:47:39 GMT
Change DatanodeProtocol#sendHeartbeat to return HeartbeatResponse

                 Key: HDFS-2616
                 URL: https://issues.apache.org/jira/browse/HDFS-2616
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: data-node, name-node
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Suresh Srinivas
            Assignee: Suresh Srinivas
             Fix For: HA branch (HDFS-1623)
         Attachments: HDFS-2616.txt

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. 

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