[Solved] What is the primary reason to use the Scroll API in Elasticsearch? - Ans: To retrieve large sets of search results efficiently in batches | Elasticsearch

Elasticsearch - Advanced Patterns

What is the primary reason to use the Scroll API in Elasticsearch?

ATo update documents in bulk

BTo perform real-time search queries

CTo delete documents matching a query

DTo retrieve large sets of search results efficiently in batches

Step-by-Step Solution

Solution:

Step 1: Understand Scroll API purpose
The Scroll API is designed to handle large result sets by breaking them into smaller batches for efficient retrieval.
Step 2: Compare with other options
Updating, deleting, and real-time searches are handled by other APIs, not Scroll API.
Final Answer:
To retrieve large sets of search results efficiently in batches -> Option D
Quick Check:
Scroll API purpose = Retrieve large results in batches [OK]

Quick Trick: Scroll API is for large result sets, not updates or deletes [OK]

Common Mistakes:

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