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https://issues.apache.org/jira/browse/HADOOP-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670206#action_12670206
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Jakob Homan commented on HADOOP-2937:
-------------------------------------
HADOOP-5094 provides basically this information through the dfsadmin -report
command, which I think is equivalent to the request for gui information. If no
one disagrees, this issue can be resolved as having been fixed by 5094.
> list of dead nodes with time information
> ----------------------------------------
>
> Key: HADOOP-2937
> URL: https://issues.apache.org/jira/browse/HADOOP-2937
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.16.0
> Reporter: Christian Kunz
>
> One of our namenodes ended up with 5% of dead datanodes.
> It occurred to us that it would be good to know when individual datanodes
> became dead. If the list of dead datanodes on the GUI of the namenode
> included a sortable column of the 'going-dead' times then it would be easier
> to see whether there is potential danger of having lost some blocks.
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