@Override
  public PartitionId getPartitionIdByName(String partitionIdStr) {
    return helixClusterManager.getPartitionIdByName(partitionIdStr);
  }
Construct a CompositeClusterManager instance.
@param staticClusterManager the {@link StaticClusterManager} instance to use as the source-of-truth.
@param helixClusterManager the {@link HelixClusterManager} instance to use for comparison of views.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/CompositeClusterManager.java