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https://issues.apache.org/jira/browse/HDFS-9258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HDFS-9258 started by Kuhu Shukla.
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> NN should indicate which nodes are stale
> ----------------------------------------
>
> Key: HDFS-9258
> URL: https://issues.apache.org/jira/browse/HDFS-9258
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.0.0-alpha
> Reporter: Daryn Sharp
> Assignee: Kuhu Shukla
>
> Determining why the NN is not coming out of safemode is difficult - is it a
> bug or pending block reports? If the number of nodes appears sufficient, but
> there are missing blocks, it would be nice to know which nodes haven't block
> reported (stale). Instead of forcing the NN to leave safemode prematurely,
> the SE can first force block reports from stale nodes.
> The datanode report and the web ui's node list should contain this
> information.
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