@Override
    public RecordReader<NullWritable, PeInputSplit> createRecordReader(InputSplit split,
      TaskAttemptContext context) {
      return new PeRecordReader();
    }
InputFormat of Performance Evaluation MapReduce job. It extends from FileInputFormat, want to
use it's methods such as setInputPaths().
hbase-rest/src/test/java/org/apache/hadoop/hbase/rest/PerformanceEvaluation.java