📊 Apache Kafka
Q. Kafka compaction is used to:
  • (A) Compress message size
  • (B) Remove duplicate keys and retain the latest record
  • (C) Distribute partitions evenly
  • (D) Backup all data
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✅ Correct Answer: (B) Remove duplicate keys and retain the latest record

Explanation: Log compaction ensures the latest value for each key is retained in the topic.

Explanation by: Mr. Dubey
Log compaction ensures the latest value for each key is retained in the topic.

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