Provide information captured as part of JobTrackerStatistics via the Hadoop
metrics API
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Key: MAPREDUCE-897
URL: https://issues.apache.org/jira/browse/MAPREDUCE-897
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: tasktracker
Reporter: Hemanth Yamijala
MAPREDUCE-467 introduced a framework to collect statistics per node on a fixed
set of intervals. Presently there is support for collecting statistics related
to number of task failures and also health check script failures per hour, day
and since start of system. It is felt that this information can be made
available via the tasktracker's metrics system as well.
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