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Sonali Mishra • 4.53K Points
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Q. What is the role of the HBase Write-Ahead Log (WAL)?

  • (A) Record changes to data before they are applied to the HBase table
  • (B) Execute MapReduce jobs
  • (C) Manage computation resources
  • (D) Perform data analytics in Hadoop
  • Correct Answer - Option(A)
  • Views: 17
  • Filed under category Hadoop

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