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Why might you choose PUT over POST when indexing documents in Elasticsearch?

hard🧠 Conceptual Q10 of 15
Elasticsearch - Document Operations
Why might you choose PUT over POST when indexing documents in Elasticsearch?
APUT allows specifying document ID and ensures idempotent requests
BPUT automatically generates document IDs
CPOST is faster for indexing with IDs
DPOST requires specifying document ID in URL
Step-by-Step Solution
Solution:
  1. Step 1: Understand PUT characteristics

    PUT requires specifying document ID and is idempotent (same request repeated has same effect).
  2. Step 2: Contrast with POST behavior

    POST auto-generates IDs and is not idempotent; POST does not require ID in URL.
  3. Final Answer:

    PUT allows specifying document ID and ensures idempotent requests -> Option A
  4. Quick Check:

    PUT = ID + idempotent [OK]
Quick Trick: PUT is idempotent and requires ID; POST auto-generates ID [OK]
Common Mistakes:
MISTAKES
  • Thinking PUT auto-generates ID
  • Assuming POST requires ID
  • Confusing idempotency of methods

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