presto-main/src/main/java/io/prestosql/server/remotetask/ContinuousTaskStatusFetcher.java/ContinuousTaskStatusFetcher/updateStats
class ContinuousTaskStatusFetcher:    private void updateStats(long currentRequestStartNanos)
    {
        stats.statusRoundTripMillis(nanosSince(currentRequestStartNanos).toMillis());
    }