(mongodb >=1.0.0)
MongoDB\Driver\Server::getLatency — Returns the latency of this server in milliseconds
Returns the latency of this server in milliseconds. This is the client's measured » round trip time of a hello
command.
This function has no parameters.
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).
Version | Description |
---|---|
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 . |
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());
?>
The above example will output something similar to:
int(592)