[Solved] In Elasticsearch, what is the primary function of a percolate query? - Ans: To find stored queries that match a given document | Elasticsearch

Elasticsearch - Advanced Patterns

In Elasticsearch, what is the primary function of a percolate query?

ATo index new documents into Elasticsearch

BTo find stored queries that match a given document

CTo update existing documents based on a query

DTo delete documents matching a specific condition

Step-by-Step Solution

Solution:

Step 1: Understand percolate query purpose
A percolate query is used to find which stored queries match a given document.
Step 2: Differentiate from other query types
It does not index, update, or delete documents but performs reverse search.
Final Answer:
To find stored queries that match a given document -> Option B
Quick Check:
Percolate queries match queries to documents [OK]

Quick Trick: Percolate queries match queries to documents [OK]

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In Elasticsearch, what is the primary function of a percolate query?