Fix broken pipe bug in client

tools/load_tester.cpp

@@ -732,10 +732,10 @@ int main(int argc, char *argv[]) {
             perror("shutdown");
             continue;
           }
-          event.events = EPOLLIN | EPOLLONESHOT | EPOLLRDHUP;
+          event.events = EPOLLIN | EPOLLONESHOT;
         } else {
-          // Partial write, need to continue writing
-          event.events = EPOLLOUT | EPOLLONESHOT | EPOLLRDHUP;
+          event.events =
+              (conn->hasMessages() ? EPOLLOUT : EPOLLIN) | EPOLLONESHOT;
         }
 
         // Add to epoll for network threads to handle remaining I/O