Modify log level

mindspore/ccsrc/ps/core/abstract_node.cc

@@ -279,11 +279,11 @@ void AbstractNode::StartHeartbeatTimer(const std::shared_ptr<TcpClient> &client)
   heart_beat_thread_ = std::make_unique<std::thread>([&]() {
     while (!is_finish_.load()) {
       if (!Heartbeat(client)) {
-        MS_LOG(ERROR) << "The node role is:" << CommUtil::NodeRoleToString(node_info_.node_role_)
-                      << ", the node id is:" << node_info_.node_id_ << " Send heartbeat timeout!";
+        MS_LOG(WARNING) << "The node role is:" << CommUtil::NodeRoleToString(node_info_.node_role_)
+                        << ", the node id is:" << node_info_.node_id_ << " Send heartbeat timeout!";
         if (!CheckSchedulerTimeout() && on_node_event_message_) {
-          MS_LOG(ERROR) << "The node role is:" << CommUtil::NodeRoleToString(node_info_.node_role_)
-                        << ", the node id is:" << node_info_.node_id_ << " exited due to scheduler timeout!";
+          MS_LOG(WARNING) << "The node role is:" << CommUtil::NodeRoleToString(node_info_.node_role_)
+                          << ", the node id is:" << node_info_.node_id_ << " exited due to scheduler timeout!";
           is_finish_ = true;
           wait_finish_cond_.notify_all();
           on_node_event_message_(NodeEvent::SCHEDULER_TIMEOUT);
@@ -306,7 +306,7 @@ bool AbstractNode::Heartbeat(const std::shared_ptr<TcpClient> &client, bool is_n
 
   if (!SendMessageSync(client, meta, Protos::PROTOBUF, heartbeat_message.SerializeAsString().data(),
                        heartbeat_message.ByteSizeLong())) {
-    MS_LOG(ERROR) << "The node id:" << node_info_.node_id_ << " Send heartbeat timeout!";
+    MS_LOG(WARNING) << "The node id:" << node_info_.node_id_ << " Send heartbeat timeout!";
   }
   return true;
 }

mindspore/ccsrc/ps/core/tcp_client.cc

@@ -220,12 +220,12 @@ void TcpClient::EventCallback(struct bufferevent *bev, std::int16_t events, void
     SetTcpNoDelay(fd);
     MS_LOG(INFO) << "Client connected!";
   } else if (events & BEV_EVENT_ERROR) {
-    MS_LOG(ERROR) << "Client connected error!";
+    MS_LOG(WARNING) << "Client connected BEV_EVENT_ERROR!";
     if (tcp_client->disconnected_callback_) {
       tcp_client->disconnected_callback_();
     }
   } else if (events & BEV_EVENT_EOF) {
-    MS_LOG(ERROR) << "Client connected end of file";
+    MS_LOG(WARNING) << "Client connected end of file";
   }
 }
 

mindspore/ccsrc/ps/core/tcp_server.cc

@@ -375,7 +375,7 @@ void TcpServer::EventCallback(struct bufferevent *bev, std::int16_t events, void
     srv->RemoveConnection(conn->GetFd());
     bufferevent_free(bev);
   } else if (events & BEV_EVENT_ERROR) {
-    MS_LOG(ERROR) << "Event buffer remain data: " << remain;
+    MS_LOG(WARNING) << "Event buffer remain data: " << remain;
     // Free connection structures
     srv->RemoveConnection(conn->GetFd());
     bufferevent_free(bev);
@@ -385,7 +385,7 @@ void TcpServer::EventCallback(struct bufferevent *bev, std::int16_t events, void
       srv->client_disconnection_(*srv, *conn);
     }
   } else {
-    MS_LOG(ERROR) << "Unhandled event!";
+    MS_LOG(WARNING) << "Unhandled event!";
   }
 }