blueflood-core/src/main/java/com/rackspacecloud/blueflood/io/datastax/DAbstractMetricsRW.java
protected boolean isDelayed(IMetric metric) {
        long delay = clock.now().getMillis() - metric.getCollectionTime();
        return delay > MAX_AGE_ALLOWED;
    }
protected boolean isDelayed(IMetric metric) {
        long delay = clock.now().getMillis() - metric.getCollectionTime();
        return delay > MAX_AGE_ALLOWED;
    }
Determines if the metric is considered delayed or not

@param metric
@return