final FessConfig fessConfig) {
        final SearchResponse countResponse = searchEngineClient.prepareSearch(fessConfig.getIndexDocumentUpdateIndex())
                .setQuery(queryBuilder).setSize(0).setTrackTotalHits(true).execute().actionGet(fessConfig.getIndexSearchTimeout());
        final TotalHits totalHits = countResponse.getHits().getTotalHits();
        if (totalHits != null) {
            return totalHits.value;
        }

            if (StringUtil.isNotBlank(trackTotalHits)) {
                if (Constants.TRUE.equalsIgnoreCase(trackTotalHits) || Constants.FALSE.equalsIgnoreCase(trackTotalHits)) {
                    searchRequestBuilder.setTrackTotalHits(Boolean.parseBoolean(trackTotalHits));
                    return;
                }
                try {
                    searchRequestBuilder.setTrackTotalHitsUpTo(Integer.parseInt(trackTotalHits));