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Mr. Dubey • 100.28K Points
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Q. What is speculative execution in Hadoop?

  • (A) Executing jobs only at night
  • (B) Running backup copies of slow tasks
  • (C) Task caching
  • (D) Redundant data processing
  • Correct Answer - Option(B)
  • Views: 23
  • Filed under category Hadoop
Explanation by: Mr. Dubey
Speculative execution runs backup instances of slow tasks to reduce overall job execution time.

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