MongoDB\Driver\Server::getLatency
(mongodb >=1.0.0)
MongoDB\Driver\Server::getLatency — Returns the latency of this server
설명
final public string MongoDB\Driver\Server::getLatency
( void
)
Returns the latency of this server (i.e. the client's measured » round trip time of an ismaster command).
인수
이 함수는 인수가 없습니다.
반환값
Returns the latency of this server.
오류/예외
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
예제
Example #1 MongoDB\Driver\Server::getLatency() example
<?php
$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017/");
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY);
$server = $manager->selectServer($rp);
var_dump($server->getLatency());
?>
위 예제의 출력 예시:
int(592)
참고
- MongoDB\Driver\Server::getInfo() - Returns an array of information about this server
- » Server Discovery and Monitoring Specification
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