public static Meter meter(final String... names) {
        return metricRegistry.meter(name(names));
    }
Return the {@link Meter} registered under this name; or create
and register a new {@link Meter} if none is registered.
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/metrics/KVMetrics.java