发布于 2015-09-14 15:01:01 | 152 次阅读 | 评论: 0 | 来源: 网络整理
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ping
The ping command is a no-op used to test whether a
server is responding to commands. This command will return
immediately even if the server is write-locked:
The value (e.g. 1 above,) does not impact the behavior of the
command.