Technology is a powerful force in our society. Data, software,and communication can be used for bad: to entrench unfair power structures, to undermine human rights, and to protect vested interests. But they can also be used for good: to make underrepresented people's voice heard, to create opportunities for everyone, and to avert disasters. We are dedicated to working toward the good.
摘要：
1，JMS规范支持两种类型的消息传递：persistent and non-persistent。ActiveMQ在支持这两种类型的传递方式时，还支持消息的恢复、中间状态的消息（message are cached in memory） 2，ActiveMQ可将消息存储在三种类型介质中：file-b 阅读全文
