public static <T> Stream<T> log(Try<T> t, String debugMessage) {
        return t
            .onSuccess(i -> log.debug(debugMessage + " :{}", i))
            .onFailure(e -> log.debug(debugMessage + " failed", e))
            .toJavaStream();
    }
MetricConvert converts {@link SampleFamily} collection to meter-system metrics, then store them to backend storage.
oap-server/analyzer/meter-analyzer/src/main/java/org/apache/skywalking/oap/meter/analyzer/MetricConvert.java