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https://issues.apache.org/jira/browse/HDFS-6722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ming Ma updated HDFS-6722:
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Attachment: HDFS-6722.patch
For backward compatibility, the patch adds a new property called
lastContactDate for "DeadNodes" metrics.
> Display readable last contact time for dead nodes on NN webUI
> -------------------------------------------------------------
>
> Key: HDFS-6722
> URL: https://issues.apache.org/jira/browse/HDFS-6722
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ming Ma
> Attachments: HDFS-6722.patch
>
>
> For dead node info on NN webUI, admins want to know when the nodes became
> dead, to troubleshoot missing block, etc. Currently the webUI displays the
> last contact as "the unit of seconds since the last contact". It will be
> useful to display the info in Date format.
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