switch metrics registry to shared_ptr KIKIMR-14218

ref:5ef16c21e373b05982980dcd3016950f15a884e8

2 files changed, 7 insertions, 0 deletions

diff --git a/library/cpp/monlib/metrics/metric_registry.cpp b/library/cpp/monlib/metrics/metric_registry.cpp
index 74260e3069..3d7ffd40cf 100644
--- a/library/cpp/monlib/metrics/metric_registry.cpp
+++ b/library/cpp/monlib/metrics/metric_registry.cpp
@@ -43,9 +43,15 @@ namespace NMonitoring {
     TMetricRegistry& TMetricRegistry::operator=(TMetricRegistry&& other) = default;
 
     TMetricRegistry* TMetricRegistry::Instance() {
+        //return SharedInstance().get();
         return Singleton<TMetricRegistry>();
     }
 
+    std::shared_ptr<TMetricRegistry> TMetricRegistry::SharedInstance() {
+        static auto instance(std::make_shared<TMetricRegistry>());
+        return instance;
+    }
+
     TGauge* TMetricRegistry::Gauge(TLabels labels) {
         return Metric<TGauge, EMetricType::GAUGE>(std::move(labels));
     }
diff --git a/library/cpp/monlib/metrics/metric_registry.h b/library/cpp/monlib/metrics/metric_registry.h
index 06e61d9991..faba19e845 100644
--- a/library/cpp/monlib/metrics/metric_registry.h
+++ b/library/cpp/monlib/metrics/metric_registry.h
@@ -67,6 +67,7 @@ namespace NMonitoring {
          * Get a global metrics registry instance.
          */
         static TMetricRegistry* Instance();
+        static std::shared_ptr<TMetricRegistry> SharedInstance();
 
         TGauge* Gauge(TLabels labels);
         TLazyGauge* LazyGauge(TLabels labels, std::function<double()> supplier);