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What is partitioning in a big data table?

  1. A Organising data into directories, usually by date, so queries can skip irrelevant data
  2. B Splitting the cluster
  3. C Replicating data across nodes
  4. D Compressing columns
Answer

Organising data into directories, usually by date, so queries can skip irrelevant data

Over-partitioning creates a small files problem, where metadata overhead outweighs the benefit of pruning.

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