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https://issues.apache.org/jira/browse/HDFS-5051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-5051:
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Description: The DataNode needs to inform the NameNode of its current cache
state. Let's wire up the RPCs and stub out the relevant methods on the DN and
NN side. (was: Add cache status information to the DataNode heartbeat. This
will inform the NameNode of the current cache status for each replica, which it
should expose in {{getFileBlockLocations}}.)
Assignee: Andrew Wang
Summary: Propagate cache status information from the DataNode to the
NameNode (was: Add cache status information to the DataNode heartbeat)
> Propagate cache status information from the DataNode to the NameNode
> --------------------------------------------------------------------
>
> Key: HDFS-5051
> URL: https://issues.apache.org/jira/browse/HDFS-5051
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Colin Patrick McCabe
> Assignee: Andrew Wang
>
> The DataNode needs to inform the NameNode of its current cache state. Let's
> wire up the RPCs and stub out the relevant methods on the DN and NN side.
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