@Override
  public void run(Map<String, LogicalInput> inputs,
      Map<String, LogicalOutput> outputs) throws Exception {
    rproc = new MergeFileRecordProcessor(jobConf, getContext());
    initializeAndRunProcessor(inputs, outputs);
  }
Tez processor for fast file merging. This is same as TezProcessor except it
has different record processor.
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/MergeFileTezProcessor.java