Confluent
CCDAK · Question #18
A bank uses a Kafka cluster for credit card payments. What should be the value of the property unclean.leader.election.enable?
The correct answer is A. FALSE. Setting unclean.leader.election.enable to true means we allow out-of-sync replicas to become leaders, we will lose messages when this occurs, effectively losing credit card payments and making our customers very angry.
Application Design
Question
A bank uses a Kafka cluster for credit card payments. What should be the value of the property unclean.leader.election.enable?
Options
- AFALSE
- BTRUE
How the community answered
(27 responses)- A74% (20)
- B26% (7)
Explanation
Setting unclean.leader.election.enable to true means we allow out-of-sync replicas to become leaders, we will lose messages when this occurs, effectively losing credit card payments and making our customers very angry.
Topics
#unclean leader election#data durability#broker failover#financial data integrity
Community Discussion
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