public static void main(String[] args) throws Exception {
    MapReduceIntegrationChecker checker = new MapReduceIntegrationChecker();
    System.exit(checker.run(args));
  }
public static void main ( String [ ] args ) throws Exception { MapReduceIntegrationChecker checker = new MapReduceIntegrationChecker ( ) ; System . exit ( checker . run ( args ) ) ; }
Main function will be triggered via hadoop jar.

@param args numMaps will be passed in