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CERTIFIED-DATA-ENGINEER-PROFESSIONAL · Question #26

CERTIFIED-DATA-ENGINEER-PROFESSIONAL Question #26: Real Exam Question with Answer & Explanation

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Spark Performance Optimization

Question

Each configuration below is identical to the extent that each cluster has 400 GB total of RAM, 160 total cores and only one Executor per VM. Given a job with at least one wide transformation, which of the following cluster configurations will result in maximum performance?

Options

  • ATotal VMs: 1
  • BTotal VMs: 8
  • CTotal VMs: 4
  • DTotal VMs: 2

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Topics

#Spark Performance#Cluster Configuration#Data Shuffling#Executor Sizing
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