GitHub user superchee0526 created a discussion: Data loss during detection 
period

I have a question about the master/slave switch process.

During the controller’s detection period, the old master can still accept write 
requests, but it cannot replicate the data to the slaves. After the failure is 
detected, one of the slaves is promoted to master. Even the old master later 
rejoins the cluster, the data written during that detection period is lost.

Is my understanding correct?

GitHub link: https://github.com/apache/kvrocks/discussions/3173

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