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In Elasticsearch, what aspect of the search response does _source filtering modify?

easy🧠 Conceptual Q1 of 15
Elasticsearch - Search Results and Scoring
In Elasticsearch, what aspect of the search response does _source filtering modify?
AThe sorting order of the search hits
BWhich fields are included or excluded in the returned document source
CThe number of shards queried
DThe query execution timeout
Step-by-Step Solution
Solution:
  1. Step 1: Understand _source role

    The _source field contains the original JSON document stored in Elasticsearch.
  2. Step 2: Purpose of source filtering

    Source filtering controls which parts of the original document are returned in the search response.
  3. Final Answer:

    Which fields are included or excluded in the returned document source -> Option B
  4. Quick Check:

    Source filtering modifies returned fields [OK]
Quick Trick: Source filtering controls returned document fields [OK]
Common Mistakes:
MISTAKES
  • Confusing source filtering with query filtering
  • Thinking it affects sorting or shards

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