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https://issues.apache.org/jira/browse/HDFS-5198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe resolved HDFS-5198.
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Resolution: Fixed
committed to branch
> NameNodeRpcServer must not send back DNA_FINALIZE in reply to a cache report
> ----------------------------------------------------------------------------
>
> Key: HDFS-5198
> URL: https://issues.apache.org/jira/browse/HDFS-5198
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: HDFS-4949
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-5198-caching.001.patch
>
>
> NameNodeRpcServer must not send back a DNA_FINALIZE command in reply to a
> cache report. DNA_FINALIZE instructs the DN to complete an upgrade process--
> not something we need or want for handling cache reports. Thanks to Chris
> Nauroth for spotting this error.
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