System.out.println("Thread num:" + threadNum);

        String indexName = "test-index";
        Client client = runner.client();
        SuggestSettings settings = suggester.settings();
        int num = 9999;

        addDocument(indexName, client, num);

        AtomicInteger count = new AtomicInteger(0);
        Set<String> valueSet = Collections.synchronizedSet(new HashSet<>());