MongoDB\Driver\ServerDescription::getRoundTripTime
(mongodb >=1.13.0)
MongoDB\Driver\ServerDescription::getRoundTripTime — Returns the server's round trip time in milliseconds
说明
Returns the server's round trip time in milliseconds. This is the client's measurement of the duration of a » hello command.
参数
此函数没有参数。
返回值
Returns the server's round trip time in milliseconds.
错误／异常
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
参见
- MongoDB\Driver\Server::getLatency() - Returns the latency of this server in milliseconds
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