1 files changed, 6 insertions, 0 deletions
diff --git a/src/mongo/db/logical_session_cache_impl.h b/src/mongo/db/logical_session_cache_impl.h
index 956b4c1dbda..445159cd4e1 100644
--- a/src/mongo/db/logical_session_cache_impl.h
+++ b/src/mongo/db/logical_session_cache_impl.h
@@ -125,6 +125,8 @@ public:
 
     void endSessions(const LogicalSessionIdSet& sessions) override;
 
+    LogicalSessionCacheStats getStats() override;
+
 private:
     /**
      * Internal methods to handle scheduling and perform refreshes for active
@@ -149,6 +151,10 @@ private:
     const Minutes _refreshInterval;
     const Minutes _sessionTimeout;
 
+    // This value is only modified under the lock, and is modified
+    // automatically by the background jobs.
+    LogicalSessionCacheStats _stats;
+
     std::unique_ptr<ServiceLiason> _service;
     std::shared_ptr<SessionsCollection> _sessionsColl;