MongoDB\Driver\Server::getLatency

(mongodb >=1.0.0)

MongoDB\Driver\Server::getLatencyReturns the latency of this server in milliseconds

Опис

final public MongoDB\Driver\Server::getLatency(): ?integer

Returns the latency of this server in milliseconds. This is the client's measured » round trip time of a hello command.

Параметри

У цієї функції немає параметрів.

Значення, що повертаються

Returns the latency of this server in milliseconds, or null if no latency has been measured (e.g. client is connected to a load balancer).

Помилки/виключення

Журнал змін

Версія Опис
PECL mongodb 1.11.0 This method will return null if no latency has been measured. In earlier versions, an integer was always returned and an unset value might be reported as -1.

Приклади

Приклад #1 MongoDB\Driver\Server::getLatency() example

<?php

$manager
= new MongoDB\Driver\Manager("mongodb://localhost:27017/");
$server = $manager->selectServer();

var_dump($server->getLatency());

?>

Поданий вище приклад виведе щось схоже на:

int(592)

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