list of dead nodes with time information
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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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