SERVER-37412 Decrease replication heartbeat log verbosity

2 files changed, 9 insertions, 1 deletions

diff --git a/src/mongo/db/repl/replication_coordinator_impl_heartbeat.cpp b/src/mongo/db/repl/replication_coordinator_impl_heartbeat.cpp
index 0d082fe65da..5bb5f344457 100644
--- a/src/mongo/db/repl/replication_coordinator_impl_heartbeat.cpp
+++ b/src/mongo/db/repl/replication_coordinator_impl_heartbeat.cpp
@@ -205,7 +205,7 @@ void ReplicationCoordinatorImpl::_handleHeartbeatResponse(
             _cancelAndRescheduleElectionTimeout_inlock();
         }
     } else {
-        LOG_FOR_HEARTBEATS(0) << "Error in heartbeat (requestId: " << cbData.request.id << ") to "
+        LOG_FOR_HEARTBEATS(2) << "Error in heartbeat (requestId: " << cbData.request.id << ") to "
                               << target << ", response status: " << responseStatus;
 
         hbStatusResponse = StatusWith<ReplSetHeartbeatResponse>(responseStatus);
diff --git a/src/mongo/db/repl/topology_coordinator.cpp b/src/mongo/db/repl/topology_coordinator.cpp
index 3b53eb83b6b..46165018ce7 100644
--- a/src/mongo/db/repl/topology_coordinator.cpp
+++ b/src/mongo/db/repl/topology_coordinator.cpp
@@ -30,6 +30,8 @@
 #define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kReplication
 #define LOG_FOR_ELECTION(level) \
     MONGO_LOG_COMPONENT(level, ::mongo::logger::LogComponent::kReplicationElection)
+#define LOG_FOR_HEARTBEATS(level) \
+    MONGO_LOG_COMPONENT(level, ::mongo::logger::LogComponent::kReplicationHeartbeats)
 
 #include "mongo/platform/basic.h"
 
@@ -733,6 +735,12 @@ HeartbeatResponseAction TopologyCoordinator::processHeartbeatResponse(
         nextHeartbeatStartDate = now + heartbeatInterval;
     }
 
+    if (hbStats.failed()) {
+        LOG_FOR_HEARTBEATS(0) << "Heartbeat to " << target << " failed after "
+                              << kMaxHeartbeatRetries
+                              << " retries, response status: " << hbResponse.getStatus();
+    }
+
     if (hbResponse.isOK() && hbResponse.getValue().hasConfig()) {
         const long long currentConfigVersion =
             _rsConfig.isInitialized() ? _rsConfig.getConfigVersion() : -2;