public int getMapAttributesToNodesFailedRetrieved() {
    return numMapAttributesToNodesFailedRetrieved.value();
  }
@Test
  public void testGetMapAttributesToNodesFailedRetrieved() {
    long totalBadBefore = metrics.getMapAttributesToNodesFailedRetrieved();
    badSubCluster.getMapAttributesToNodesFailed();
    Assert.assertEquals(totalBadBefore + 1, metrics.getMapAttributesToNodesFailedRetrieved());
  }