How to use

NullStatsProvider

in

io.pravega.shared.metrics

void setProvider(MetricsConfig config) {
  if (config.isEnableStatistics()) {
    log.info("Stats enabled");
    instance.set(new StatsProviderImpl(config));
  } else {
    log.info("Stats disabled");
    instance.set(new NullStatsProvider());
  }
  statsLoggerProxies.forEach( (proxy, scope) -> {
    proxy.setLogger(instance.get().createStatsLogger(scope));
  });
}