lizhiboo commented on issue #180:
URL: 
https://github.com/apache/rocketmq-connect/issues/180#issuecomment-1171962436

   > 问题二:exactly once问题尽量让系统来保证,尽量通过系统offset来保证,如果不满足可以对其进行改进
   > 问题三:对于顺序性保证的问题,如果系统不能保证需要对系统内进行优化,首先要系统保证,如果系统保证了是不是就不需要了加方法了?
   
   
问题一我们以现在的RmqSourceRepicator为例,现在是实现不了自己维护位点的,WorkerSourceTask里面的producer发送成功了或者失败了都没有通知机制;
   问题二和问题三都是系统实现的问题,但是增加这两个接口不影响系统实现,所以这两个问题不会成为connector实现精准一次投递和保序的绊脚石。


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