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From "Suresh Srinivas (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2616) Change DatanodeProtocol#sendHeartbeat to return HeartbeatResponse
Date Thu, 01 Dec 2011 03:31:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Suresh Srinivas updated HDFS-2616:

    Attachment: HDFS-2616.txt

Updated patch. Tests were failing previously because transition to translator for DatanodeProtocol
is not complete and HeartbeatResponse needs to be Writable.
> 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
> 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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