Q. What is the role of Secondary NameNode in Hadoop?

  • (A) Backup for NameNode
  • (B) Stores user data
  • (C) Handles client requests
  • (D) Merges edit logs with fsimage
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✅ Correct Answer: (D) Merges edit logs with fsimage
Explanation: Secondary NameNode periodically merges the edit logs with the fsimage to keep metadata compact.

Published by Rati Dubey ⭐ 8.55K Points at 18-Jun-2025 08:40 am in Hadoop

Explanation by: Rati Dubey
Secondary NameNode periodically merges the edit logs with the fsimage to keep metadata compact.

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