We think of this as a durability problem because you think your update has succeeded since the master acknowledged it, but a master node failure caused it to be lost.
- Chapter 5. Consistency
- from NoSQL Distilled: A Brief Guide to the Emerging World of Polyglot Persistence
- Publisher: Addison-Wesley Professional
- Released: August 2012
this is the case when the setting "unclean-leader.election=false" in Kafka cluster
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