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Posted to issues@rocketmq.apache.org by "yukon (JIRA)" <ji...@apache.org> on 2017/03/07 04:00:34 UTC

[jira] [Created] (ROCKETMQ-124) Support non-redundant message delivery mechanism

yukon created ROCKETMQ-124:
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             Summary: Support non-redundant message delivery mechanism
                 Key: ROCKETMQ-124
                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-124
             Project: Apache RocketMQ
          Issue Type: Wish
          Components: rocketmq-broker, rocketmq-client, rocketmq-store
            Reporter: yukon
            Priority: Minor


The duplicated messages are worrisome. It will cost much if user need non-repeating messages.

In most cases, user need store the consume records to judge a message is replicated or not, and the store stage should guarantee strong consistency. As you see, it's very complicated, so support a strict and non-redundant message delivery mechanism is impending.



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