private static MetricSet getSearchNodeMetrics() {
        // Metrics needed for alerting
        return new MetricSet.Builder("default-search-node")
                .metric(SearchNodeMetrics.CONTENT_PROTON_RESOURCE_USAGE_DISK.average())
                .metric(SearchNodeMetrics.CONTENT_PROTON_RESOURCE_USAGE_MEMORY.average())
                .metric(SearchNodeMetrics.CONTENT_PROTON_RESOURCE_USAGE_FEEDING_BLOCKED, EnumSet.of(max, last)) // TODO: Vespa 9: Remove last
                .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