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Why does Elasticsearch often sacrifice ACID compliance compared to relational databases?

hard🧠 Conceptual Q10 of 15
Elasticsearch - Basics and Architecture
Why does Elasticsearch often sacrifice ACID compliance compared to relational databases?
ATo achieve high scalability and near real-time search performance.
BBecause Elasticsearch uses SQL which lacks ACID features.
CBecause Elasticsearch stores data in XML format.
DTo simplify data storage by using fixed schemas.
Step-by-Step Solution
Solution:

  1. Step 1: Understand ACID compliance

    ACID ensures reliable transactions but can limit scalability and speed.

  2. Step 2: Recognize Elasticsearch design trade-offs

    Elasticsearch prioritizes scalability and fast search, sacrificing strict ACID compliance.

  3. Final Answer:

    To achieve high scalability and near real-time search performance. -> Option A

  4. Quick Check:

    ACID trade-off reason = B [OK]
Quick Trick: Elasticsearch trades ACID for speed and scalability [OK]
Common Mistakes:
MISTAKES
  • Thinking Elasticsearch uses SQL
  • Confusing data format with ACID compliance
  • Assuming fixed schemas improve ACID

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