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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