private int getRoughCountConsumed() {
        int ret = 0;
        for (FileResourceConsumer consumer : consumersManager.getConsumers()) {
            ret += consumer.getNumResourcesConsumed();
        }
        return ret;
    }
Set the amount of time in milliseconds to use as the threshold for determining
a stale parse.

@param staleThresholdMillis threshold for determining whether or not to report a stale
tika-batch/src/main/java/org/apache/tika/batch/StatusReporter.java