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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6722) Display readable last contact time for dead nodes on NN webUI
Date Wed, 23 Jul 2014 05:54:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ming Ma updated HDFS-6722:
--------------------------

    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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