refactor: change large write size request forbiden log (#458)

include/dsn/dist/replication/replication_app_base.h

@@ -235,6 +235,9 @@ class replication_app_base : public replica_base
     // Thread-safe.
     virtual void set_partition_version(int32_t partition_version){};
 
+    // dump the write request some info to string, it may need overload
+    virtual std::string dump_write_request(dsn::message_ex *request) { return "write request"; };
+
 public:
     //
     // utility functions to be used by app

src/dist/replication/lib/replica_2pc.cpp

@@ -47,9 +47,12 @@ void replica::on_client_write(dsn::message_ex *request, bool ignore_throttling)
 
     if (dsn_unlikely(_stub->_max_allowed_write_size &&
                      request->body_size() > _stub->_max_allowed_write_size)) {
-        dwarn_replica("client from {} write request body size exceed threshold, request_body_size "
+        std::string request_info = _app->dump_write_request(request);
+        dwarn_replica("client from {} write request body size exceed threshold, request = [{}], "
+                      "request_body_size "
                       "= {}, max_allowed_write_size = {}, it will be rejected!",
                       request->header->from_address.to_string(),
+                      request_info,
                       request->body_size(),
                       _stub->_max_allowed_write_size);
         _stub->_counter_recent_write_size_exceed_threshold_count->increment();