*/
    public boolean calibrateCpuLoad(final long timeoutInMillis) {
        final short percent = ComponentUtil.getFessConfig().getAdaptiveLoadControlAsInteger().shortValue();
        if (percent <= 0) {
            return true;
        }
        short current = getSystemCpuPercent();
        if (current < percent) {
            return true;
        }
        final long startTime = getCurrentTimeAsLong();

                    if (values == null || values.length == 0) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Parameter '{}' is not present or has no value.", s);
                        }
                        return null;
                    }
                    return new RequestParameter(s, values);