hack to avoid possible issues on hashmap resize

components/net/cpp/include/ftl/net/dispatcher.hpp

@@ -60,7 +60,10 @@ namespace net {
 
 class Dispatcher {
 	public:
-	explicit Dispatcher(Dispatcher *parent=nullptr) : parent_(parent) {}
+	explicit Dispatcher(Dispatcher *parent=nullptr) : parent_(parent) {
+		// FIXME threading and funcs_; hack use large size
+		funcs_.reserve(1024);
+	}
 
 	//void dispatch(Peer &, const std::string &msg);
 	void dispatch(Peer &, const msgpack::object &msg);