Display lost tracker information on the jobtracker webui and persist it across
restarts
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Key: HADOOP-5747
URL: https://issues.apache.org/jira/browse/HADOOP-5747
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Amar Kamat
Assignee: Amar Kamat
As of today its difficult to distinguish between active tracker and lost
trackers (lost trackers are considered active). It will be nice if the
jobtracker can display what all trackers are lost and maintain it across
restarts. HADOOP-5643 does something similar for decommissioned trackers.
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