PHP 7.1.18 Released

MongoPool::setSize

(PECL mongo >= 1.2.3)

MongoPool::setSizeSet the size for future connection pools

说明

public static bool MongoPool::setSize ( int $size )

Sets the max number of connections new pools will be able to create.

参数

size

The max number of connections future pools will be able to create. Negative numbers mean that the pool will spawn an infinite number of connections.

返回值

Returns the former value of pool size.

更新日志

版本 说明
1.2.11 Emits E_DEPRECATED when used.

范例

Example #1 Mongo::setPoolSize() example

If you set the pool size to n and then create n connections, attempting to create an n+1st connection will throw a MongoConnectionException.

<?php

// only allow one connection to a server
MongoPool::setSize(1);

// creates one connection to localhost:27017
$m1 = new Mongo();

// attempt to create a second connection to localhost:27017
// only one connection is allowed, so this will throw an exception
$m2 = new Mongo();

?>

以上例程的输出类似于:

Fatal error: Uncaught exception 'MongoConnectionException' with message 'no more connections in pool' in /path/to/php/script.php:10
Stack trace:
#0 /path/to/php/script.php(10): Mongo->__construct()
#1 {main}
  thrown in /path/to/php/script.php on line 10

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