private static MetricSet getStorageMetrics() {
        return new MetricSet.Builder("default-storage")
                .metric(StorageMetrics.VDS_FILESTOR_ALLTHREADS_PUT_COUNT.rate())
                .metric(StorageMetrics.VDS_FILESTOR_ALLTHREADS_UPDATE_COUNT.rate())
                .metric(StorageMetrics.VDS_FILESTOR_ALLTHREADS_REMOVE_COUNT.rate())
                .build();
    }
Metrics for the 'default' consumer, which is used by default for the generic metrics api and
other user facing apis, e.g. 'prometheus/'.

@author gjoranv
metrics/src/main/java/ai/vespa/metrics/set/DefaultMetrics.java