activemq - ActiveMQPrefetchPolicy 是如何工作的？queueBrowserPrefetch 是什么意思？

Question

我正在尝试使用 ActiveMQPrefetchPolicy，但不太了解如何使用它。

我正在使用队列，我可以为 PrefetchPolicy 定义 3 个参数：

queuePrefetch、queueBrowserPrefetch、inputStreamPrefetch

其实我不明白 queueBrowserPrefetch 和 inputStreamPrefetch 的含义，所以我不知道如何使用它。

Answer 1

I assume that you have seen the ActiveMQ page on prefetch limits.

• queueBrowserPrefetch sets the maximum number of messages sent to a
  ActiveMQQueueBrowser until acks are received.
• inputStreamPrefetch sets the maximum number of messages sent
  through a jms-stream until acks are received

Both queue-browser and jms-stream are specialized consumers. You can read more about each one of them but if you are not using them it won't matter what you assign to their prefetch limits.