client.admin().indices().prepareGetIndex().addIndices(updateAlias).execute().actionGet(fessConfig.getIndexIndicesTimeout());
        final String[] updateIndices = response1.indices();
        final GetIndexResponse response2 =
                client.admin().indices().prepareGetIndex().addIndices(searchAlias).execute().actionGet(fessConfig.getIndexIndicesTimeout());
        final String[] searchIndices = response2.indices();

                    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());
                }
            }

                .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.";
        }