Send JobConf and JobHistory data to MetricsContext
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Key: HADOOP-4641
URL: https://issues.apache.org/jira/browse/HADOOP-4641
Project: Hadoop Core
Issue Type: New Feature
Environment: Redhat EL 4.5
Reporter: Eric Yang
JobConf and JobHistory data contain rich information of the mapreduce job. However, the job
information are only available temporarily until they are expired by JobTracker. This ticket
is to request the information to be cloned to MetricsContext. This information can be archived
by external system that interface with Hadoop, such as Chukwa and Ganglia.
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