private double durationInMillisFromNanoTime(long startTimeNanos) {
        return (tracingOptions.getClock().nanoTimeNow() - startTimeNanos) / (double)TimeUnit.MILLISECONDS.toNanos(1);
    }
The route to the storage cluster.
container-search/src/main/java/com/yahoo/vespa/streamingvisitors/StreamingBackend.java