private boolean isFairScheduler (Configuration conf) {
    return "org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler".
        equalsIgnoreCase(conf.get(YarnConfiguration.RM_SCHEDULER));
  }
Load the fair scheduler queue for given user if available.
shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java