code: public void initialize() throws DurableDataLogException {
          this.cacheManager.startAsync().awaitRunning();
          getSingleton(this.dataLogFactory, this.dataLogFactoryCreator).initialize();
          getSingleton(this.containerManager, this.segmentContainerManagerCreator).initialize();
      }
docs: Initializes the ServiceBuilder.
  
  @throws DurableDataLogException If unable to initialize DurableDataLogFactory.