Hardcoded timeouts: Shortest Tez Query possible is 500ms

private static final long SLEEP_FOR_COMPLETION = 500;

private DAGStatus _waitForCompletionWithStatusUpdates(boolean vertexUpdates,
....
      if (dagStatus.getState() == DAGStatus.State.RUNNING
          || dagStatus.getState() == DAGStatus.State.SUCCEEDED
          || dagStatus.getState() == DAGStatus.State.FAILED
          || dagStatus.getState() == DAGStatus.State.KILLED
          || dagStatus.getState() == DAGStatus.State.ERROR) {
        break;
      }
      Thread.sleep(SLEEP_FOR_COMPLETION);
    }// End of while(true)