echooymxq commented on issue #5690:
URL: https://github.com/apache/rocketmq/issues/5690#issuecomment-1352480896
@drpmma If not use the append-only, what can go wrong with this? such as, if
the broker-a scaling up the queues, the proxy get metadata broker-a {0, 1, 2,
3, 4, 5, 6, 7} and broker-b{0,1,2,3}, then recalculate the queue mappings. What
i can think of is the proxy's queue mapping can be inconsistent when some
proxys pull metadata delay. What is the impact on the client? I am very curious
how Aliyun MQ implements it, because it's 5.x commercial products support the
4.x sdk, any ideas?
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