Elasticsearch - Performance and Scaling
Which of the following is the correct syntax to update the number of replicas to 3 for an existing index named my_index?
Which of the following is the correct syntax to update the number of replicas to 3 for an existing index named my_index?
easy📝 Syntax Q3 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify HTTP method to update settings
Updating index settings uses the PUT method in Elasticsearch.Step 2: Confirm correct endpoint and payload
The endpoint is/my_index/_settingswith JSON body settingnumber_of_replicas.Final Answer:
PUT /my_index/_settings { "number_of_replicas": 3 } -> Option DQuick Check:
Update replicas = PUT method [OK]
Quick Trick: Use PUT to update index settings like replicas [OK]
Common Mistakes:
MISTAKES- Using POST instead of PUT for settings update
- Using GET or DELETE which are incorrect here
- Wrong endpoint or missing JSON body
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