MongoDB\Driver\Server::getLatency

(mongodb >=1.0.0)

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

Descrizione

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.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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).

Errori/Eccezioni

Log delle modifiche

Versione Descrizione
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.

Esempi

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());

?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

int(592)

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