MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent::getDurationMicros
(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent::getDurationMicros — Returns the heartbeat's duration in microseconds
说明
The heartbeat's duration is a calculated value that includes the time to send the message and receive the reply from the server.
参数
此函数没有参数。
返回值
Returns the heartbeat's duration in microseconds.
错误／异常
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
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