Java Code Examples for org.apache.hadoop.conf.Configuration.getTimeDuration()

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Example 1
Project: hadoop   File: AbstractReservationSystem.java   View Source Code Vote up 6 votes
private void initialize(Configuration conf) throws YarnException {
  LOG.info("Initializing Reservation system");
  this.conf = conf;
  scheduler = rmContext.getScheduler();
  // Get the plan step size
  planStepSize =
      conf.getTimeDuration(
          YarnConfiguration.RM_RESERVATION_SYSTEM_PLAN_FOLLOWER_TIME_STEP,
          YarnConfiguration.DEFAULT_RM_RESERVATION_SYSTEM_PLAN_FOLLOWER_TIME_STEP,
          TimeUnit.MILLISECONDS);
  if (planStepSize < 0) {
    planStepSize =
        YarnConfiguration.DEFAULT_RM_RESERVATION_SYSTEM_PLAN_FOLLOWER_TIME_STEP;
  }
  // Create a plan corresponding to every reservable queue
  Set<String> planQueueNames = scheduler.getPlanQueues();
  for (String planQueueName : planQueueNames) {
    Plan plan = initializePlan(planQueueName);
    plans.put(planQueueName, plan);
  }
}