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https://issues.apache.org/jira/browse/HDFS-2616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-2616:
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Attachment: hdfs-2616-addendum.txt
Needed a slight addendum here for the mocking of DatanodeProtocol in
TestBPOfferService. It was previously returning null which was treated as "no
commands", but now that triggers an NPE in the tests. I'll commit this trivial
fix in a few minutes.
> 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, HDFS-2616.txt, HDFS-2616.txt,
> HDFS-2616.txt, HDFS-2616.txt, HDFS-2616.txt, hdfs-2616-addendum.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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