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Q. What is the purpose of Kafka's ISR (In-Sync Replicas)?

  • (A) To cache consumer offsets
  • (B) To track active producers
  • (C) To track replicas that are up-to-date with the leader
  • (D) To store schema versions
  • Correct Answer - Option(C)
  • Views: 15
  • Filed under category Apache Kafka
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Explanation by: Admin

ISR is a set of replicas that are fully caught up with the leader.

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