(PECL amqp >= Unknown)
AMQPChannel::setPrefetchSize — Set the window size to prefetch from the broker
$size
)Set the prefetch window size, in octets, during a call to AMQPQueue::consume() or AMQPQueue::get(). Any call to this method will automatically set the prefetch message count to 0, meaning that the prefetch message count setting will be ignored.
If the call to either AMQPQueue::consume() or AMQPQueue::get() is done with the AMQP_AUTOACK
flag set, this setting will be ignored.
size
The window size, in octets, to prefetch.
Throws AMQPConnectionException if the connection to the broker was lost.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。