[Solved] Given this Elasticsearch request to clear caches:POST /myindex/_cache/clear { "fielddata": true, "query": true }What caches will be cleared? | Elasticsearch

Elasticsearch - Performance and Scaling

Given this Elasticsearch request to clear caches:

POST /myindex/_cache/clear
{
  "fielddata": true,
  "query": true
}

What caches will be cleared?

AOnly the query cache

BOnly the fielddata cache

CRequest cache only

DBoth query and fielddata caches

Step-by-Step Solution

Solution:

Step 1: Analyze the JSON body parameters
The request sets both fielddata and query to true, indicating both caches should be cleared.
Step 2: Understand cache clearing behavior
When multiple cache types are true, Elasticsearch clears all specified caches.
Final Answer:
Both query and fielddata caches -> Option D
Quick Check:
fielddata=true + query=true clears both caches [OK]

Quick Trick: True flags clear all specified caches together [OK]

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