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What is the small files problem in HDFS or object storage?

  1. A Many tiny files create excessive metadata and task overhead, degrading performance
  2. B Files cannot be smaller than one block
  3. C Small files cannot be compressed
  4. D Small files are always corrupted
Answer

Many tiny files create excessive metadata and task overhead, degrading performance

Compaction jobs that merge small files into larger ones are a standard part of maintaining a healthy data lake.

All Big data MCQs

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