return pageSize;
            }

            final String num = request.getParameter("num");
            if (StringUtil.isBlank(num)) {
                pageSize = fessConfig.getPagingSearchPageSizeAsInteger();
            } else {
                try {
                    pageSize = Integer.parseInt(num);

        final int num = getProcessorsAsInteger();
        if (num > 0) {
            return num;
        }
        return Runtime.getRuntime().availableProcessors();
    }

    Integer getCrawlerHttpThreadPoolSizeAsInteger();

    default int getCrawlerHttpProcessors() {
        final int num = getCrawlerHttpThreadPoolSizeAsInteger();
        if (num > 0) {
            return num;