MongoDB\Driver\Server::getLatency
(mongodb >=1.0.0)
MongoDB\Driver\Server::getLatency — Returns the latency of this server in milliseconds
Descrição
Returns the latency of this server in milliseconds. This is the client's
measured
» round trip time
of a hello command.
Parâmetros
Esta função não possui parâmetros.
Valor Retornado
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).
Erros/Exceções
- Lança uma exceção MongoDB\Driver\Exception\InvalidArgumentException em caso de erro ao analisar argumentos.
Registro de Alterações
| Versão | Descrição |
|---|---|
| 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.
|
Exemplos
Exemplo #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());
?>O exemplo acima produzirá algo semelhante a:
int(592)
Veja Também
- MongoDB\Driver\Server::getInfo() - Returns an array of information describing this server
- MongoDB\Driver\ServerDescription::getRoundTripTime() - Returns the server's round trip time in milliseconds
- » Server Discovery and Monitoring Specification
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