Need a standalone JobHistory log anonymizer
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                 Key: MAPREDUCE-778
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-778
             Project: Hadoop Map/Reduce
          Issue Type: New Feature
            Reporter: Hong Tang


Job history logs contain a rich set of information that can help understand and 
characterize cluster workload and individual job execution. Examples of work 
that parses or utilizes job history include HADOOP-3585, MAPREDUCE-534, 
HDFS-459, MAPREDUCE-728, and MAPREDUCE-776. Some of the parsing tools developed 
in previous work already contains a component to anonymize the logs. It would 
be nice to combine these effort and have a common standalone tool that can 
anonymizes job history logs and preserve much of the structure of the files so 
that existing tools on top of job history logs continue work with no 
modification.

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