- write_longint(batch_fd, total_read);
- write_longint(batch_fd, total_written);
- write_longint(batch_fd, stats.total_size);
+ write_varlong30(batch_fd, total_read, 3);
+ write_varlong30(batch_fd, total_written, 3);
+ write_varlong30(batch_fd, stats.total_size, 3);