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##发送任意topic?
消息生产者在发送消息前必须publish要发送的topic,这是为了从zookeeper查找到提供该topic服务的broker。如果你想发送任意的topic类型到broker,你可以这样做:
*
MessageProducer
setDefaultTopic
##如何配置异步复制?
参考HA复制配置
##为什么重写kafka,meta相比于kafka有什么异同?
参考meta介绍
##如何优化metamorphosis性能?
TODO