📊 Apache Kafka
Q. Kafka’s log compaction is useful for:
  • (A) Deleting old messages
  • (B) Storing only latest updates per key
  • (C) Batch compression
  • (D) Offset reset
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✅ Correct Answer: (B) Storing only latest updates per key

Explanation: Log compaction ensures only the latest value per key is retained.

Explanation by: Mr. Dubey
Log compaction ensures only the latest value per key is retained.

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