Ring buffer logging consists of a fixed size of allocated memory buffer that is used by the process for logging.
循环缓冲区日志记录由一个固定大小的内存缓冲区构成，进程使用这个内存缓冲区进行日志记录。
2
They all sat down at once, in a large ring, with the Mouse in the middle. Alice kept her eyes anxiously fixed on it, for she felt sure she would catch a bad cold if she did not get dry very soon.
The methods include posterior ring internal fixation by using sacral bars, four-hole square plates or cancellous screws with anterior ringfixed by plates.