@PostConstruct
    public void initialize() {
        LOGGER.info("create repository for " + SortClusterServiceImpl.class.getSimpleName());
        try {
            this.reloadInterval = DEFAULT_HEARTBEAT_INTERVAL_MS;
            reload();
            setReloadTimer();
        } catch (Throwable t) {
            LOGGER.error("Initialize SortClusterConfigRepository error", t);
        }
    }
Used to cache the sort cluster config and reduce the number of query to database.
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/core/impl/SortClusterServiceImpl.java