default boolean isHealthCheckerMetrics(String name) {
        Preconditions.checkArgument(!Strings.isNullOrEmpty(name), "Require non-null or empty metric name");
        return name.startsWith(HEALTH_METRIC_PREFIX);
    }
Find out whether it's a health check metric.
oap-server/server-telemetry/telemetry-api/src/main/java/org/apache/skywalking/oap/server/telemetry/api/MetricsCreator.java