@Override
  public byte getLocalDatacenterId() {
    return staticClusterManager.getLocalDatacenterId();
  }
Check for existence of the given datacenter from both the static and the helix based cluster managers and update
a metric if there is a mismatch.
@param datacenterName name of datacenter
@return true if the datacenter exists in the underlying {@link StaticClusterManager}; false otherwise.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/RecoveryTestClusterManager.java