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How can you ensure high availability of leader election in a Kafka cluster using KRaft mode?

hard📝 Application Q9 of 15
Kafka - Cluster Architecture
How can you ensure high availability of leader election in a Kafka cluster using KRaft mode?
AEnable producer retries
BUse multiple ZooKeeper instances
CIncrease the number of partitions
DDeploy multiple controllers in a quorum
Step-by-Step Solution
Solution:

  1. Step 1: Understand KRaft mode architecture

    KRaft mode replaces ZooKeeper with a quorum of controllers for metadata management and leader election.

  2. Step 2: Evaluate options for high availability

    Deploying multiple controllers in quorum ensures leader election availability.

  3. Final Answer:

    Deploy multiple controllers in a quorum -> Option D

  4. Quick Check:

    KRaft HA = multiple controllers quorum [OK]
Quick Trick: Use controller quorum for HA in KRaft mode [OK]
Common Mistakes:
  • Thinking ZooKeeper is used in KRaft mode
  • Confusing partitions with leader election availability
  • Assuming producer retries affect leader election

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