wqliang opened a new issue #1467: consumer should be notified after topicConfig change to avoid rebalance result inconsistent URL: https://github.com/apache/rocketmq/issues/1467 Enhancement 1. Please describe the issue you observed: Consumers are not notified after topicConfig changed in broker. Consumer update route info periodically to get latest route info. Consumers in the same group do rebalance at the same time but update route info at different time point, which may lead to inconsistent rebalance result. The result of such inconsistent is that some queue may be missed or some queue may consumed by more than one consumer in the same group. - What did you expect to see? It would be better that consumer be notified when topic config changed. It's useful and important especially in request-response model.
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