// Create test data
        client.prepareIndex().setIndex(TEST_INDEX).setId("1").setSource("field", "value1").execute().actionGet();
        client.prepareIndex().setIndex(TEST_INDEX).setId("2").setSource("field", "value2").execute().actionGet();
        client.admin().indices().prepareRefresh(TEST_INDEX).execute().actionGet();

        // Delete by query

                    .setInterval(interval)
                    .setThreads(threads)
                    .setTimeout(timeout)
                    .setType(type)
                    .execute()
                    .actionGet(timeout);
            append(buf, "cluster_name", () -> response.getClusterName().value()).append(',');
            final String hotThreads = response.getNodesMap().entrySet().stream().map(e -> {

                .setFetchSource(false)
                .setSize(fessConfig.getPageScoreBoosterMaxFetchSizeAsInteger())
                .execute()
                .actionGet(requestTimeout);
        return Arrays.stream(response.getHits().getHits()).map(SearchHit::getId).toArray(n -> new String[n]);
    };

    /**
     * A function to handle requests.
     */

                    .prepareAnalyze(analyzerSettings.getAnalyzerSettingsIndexName(), text)
                    .setAnalyzer(analyzerSettings.getReadingAnalyzerName(field, lang))
                    .execute()
                    .actionGet(settings.getIndicesTimeout());

            final AnalyzeAction.Response termResponse = client.admin()
                    .indices()
                    .prepareAnalyze(analyzerSettings.getAnalyzerSettingsIndexName(), text)

                    bulkRequest.add(client.prepareIndex().setIndex(indexName).setSource(source));
                }
                final BulkResponse response = bulkRequest.execute().actionGet(30_000L);
                if (response.hasFailures()) {
                    logger.warn("Failed to write log notifications: {}", response.buildFailureMessage());
                }
            }

                    .setAnalyzer(analyzerSettings.getNormalizeAnalyzerName(field, lang))
                    .execute()
                    .actionGet(settings.getIndicesTimeout());

            final List<AnalyzeToken> termTokenList = termResponse.getTokens();
            if (termTokenList.isEmpty()) {
                return text;
            }

                .setQuery(QueryBuilders.termQuery("hostname", hostname))
                .setSize(searchSize)
                .addSort("timestamp", SortOrder.ASC)
                .execute()
                .actionGet(fessConfig.getIndexSearchTimeout());

        final SearchHit[] hits = searchResponse.getHits().getHits();
        if (hits.length == 0) {
            return "No log notifications.";
        }

        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        runner.admin().indices().prepareDelete("_all").execute().actionGet();
        runner.refresh();
        settings = Suggester.builder().build(runner.client(), id).settings();
    }

    @Test
    public void test_elevateWordIndexName() {

        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        runner.admin().indices().prepareDelete("_all").execute().actionGet();
        runner.refresh();
        settings = Suggester.builder().build(runner.client(), id).settings();
    }

    @Test
    public void test_setAndGetAsArray() {
        String key = "key";

        try {
            final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
            final NodesStatsResponse response = client.admin().cluster().prepareNodesStats().addMetric("os").execute().actionGet(10000L);

            short maxCpu = 0;
            for (final NodeStats nodeStats : response.getNodes()) {
                final OsStats os = nodeStats.getOs();
                if (os != null && os.getCpu() != null) {