Elasticsearch - Index Management
What does the
number_of_replicas setting control in an Elasticsearch index?What does the number_of_replicas setting control in an Elasticsearch index?
easy🧠 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the role of replicas in Elasticsearch
Replicas are copies of primary shards that provide fault tolerance and improve search performance.Step 2: Identify what
This setting specifies how many replica shards each primary shard has.number_of_replicascontrolsFinal Answer:
The number of copies of each shard for fault tolerance -> Option AQuick Check:
Replicas = Copies for fault tolerance [OK]
Quick Trick: Replicas mean copies for safety and speed [OK]
Common Mistakes:
MISTAKES- Confusing replicas with total shards
- Thinking replicas control shard size
- Assuming replicas affect indexed fields
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