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https://issues.apache.org/jira/browse/HDFS-5141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang resolved HDFS-5141.
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Resolution: Fixed
Fix Version/s: HDFS-4949
Committed to HDFS-4949 branch.
> Add cache status information to datanode heartbeat
> --------------------------------------------------
>
> Key: HDFS-5141
> URL: https://issues.apache.org/jira/browse/HDFS-5141
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: HDFS-4949
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Fix For: HDFS-4949
>
> Attachments: hdfs-5141-1.patch, hdfs-5141-2.patch
>
>
> We need to propagate the cache capacity and cache remaining from the datanode
> to the namenode to make appropriate caching decisions.
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