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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/08/15 09:08:59 UTC
[GitHub] [rocketmq] TheR1sing3un commented on issue #4800: Should need change broker role immediately when broker inactive?
TheR1sing3un commented on issue #4800:
URL: https://github.com/apache/rocketmq/issues/4800#issuecomment-1214783654
IMO, in this case:
- three nameSrvs with controller mode
- controller-master
- controller-follower-1
- controller-follower-2
- three master/slave mode brokers
- broker-master
- broker-slave1
- broker-slave2
occurs network partition like this:
In this case, broker-master can't connect to controller-master becasue of the network partition. But it stay in same partition with brokers and controller-follower1 and controller-follower2. So when the controller-master find that broker-master is inavtive. It will propose an ElectMasterEvent, however the controller-master also can't connet to his followers, so controller-master fali to append this event by dledger(raft). So in this case, the master in brokers will not change!
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