@Override
  public boolean set(DataNodeConfig config) {
    InstanceConfig instanceConfig = converter.convert(config);
    return helixAdmin.get().setInstanceConfig(clusterName, instanceConfig.getInstanceName(), instanceConfig);
  }
@param helixManager the {@link HelixManager} to use as the source of truth for {@link InstanceConfig}s.
@param clusterMapConfig the {@link ClusterMapConfig} to use.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/InstanceConfigToDataNodeConfigAdapter.java