https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/mapred/JobHistory.Values.html
JobHistory.Values (Hadoop 1.2.1 API)
valueshadoopapi
https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/mapred/JobHistory.RecordTypes.html
JobHistory.RecordTypes (Hadoop 1.2.1 API)
hadoopapi
https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/mapred/JobHistory.Task.html
JobHistory.Task (Hadoop 1.2.1 API)
taskhadoopapi