If another log checkpoint record is encountered while it is in drain mode, it goes back to buffering mode.
如果服务器处于排出模式下时遇到另一条日志检查点记录，那么它会回到缓冲模式。
youdao
Your sound card does not support hardware buffering. Sounds will only play back from software buffers.
您的声卡不支持硬件缓冲。只能从软件缓冲区播放声音。
The only draw back is that because of the buffering for the video, it takes 10 to 15 seconds from when you hit the remote control button until you see the result on your video stream.
ENGADGET: HOW-TO: Enable web based viewing and remote control over your TiVo
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