[Solved] What is wrong with this Elasticsearch index settings update request to set replicas to 3?PUT /store/_settings { "number_of_replicas": "3" } | Elasticsearch

Elasticsearch - Performance and Scaling

What is wrong with this Elasticsearch index settings update request to set replicas to 3?

PUT /store/_settings
{
  "number_of_replicas": "3"
}

AThe index name should be in quotes

BPUT method cannot be used to update settings

CThe number_of_replicas value should be an integer, not a string

DThe JSON body is missing the <code>settings</code> wrapper

Step-by-Step Solution

Solution:

Step 1: Check data type of number_of_replicas
number_of_replicas must be an integer, but here it is given as a string "3".
Step 2: Validate other parts
PUT is correct method, index name does not require quotes in URL, and settings wrapper is optional in this context.
Final Answer:
The number_of_replicas value should be an integer, not a string -> Option C
Quick Check:
number_of_replicas must be integer [OK]

Quick Trick: Use integer values for number_of_replicas, not strings [OK]

Common Mistakes:

MISTAKES

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What is wrong with this Elasticsearch index settings update request to set replicas to 3?