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What is the main purpose of the batch layer in Lambda architecture?

easy📝 Conceptual Q11 of 15
Hadoop - Modern Data Architecture with Hadoop
What is the main purpose of the batch layer in Lambda architecture?
ATo process all data for accurate and complete results
BTo handle real-time data streams quickly
CTo store raw data without processing
DTo visualize data for end users
Step-by-Step Solution
Solution:

  1. Step 1: Understand batch layer role

    The batch layer processes all accumulated data to provide accurate and comprehensive views.

  2. Step 2: Compare with other layers

    The speed layer handles real-time data, not the batch layer.

  3. Final Answer:

    To process all data for accurate and complete results -> Option A

  4. Quick Check:

    Batch layer = accurate full data processing [OK]
Quick Trick: Batch layer = full data, accurate results [OK]
Common Mistakes:
  • Confusing batch layer with speed layer
  • Thinking batch layer processes data in real-time
  • Assuming batch layer only stores raw data

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