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A user sends this request:

medium📝 Debug Q7 of Q15
Elasticsearch - Cluster Management
A user sends this request:
GET /_cluster/health?level=shards

But the response does not include shard-level details. What is the most probable error?
AThe <code>level</code> parameter value is invalid
BThe user lacks permissions
CThe cluster has no shards
DThe API does not support shard level info
Step-by-Step Solution
Solution:

  1. Step 1: Verify level=shards support

    The Cluster Health API supports level=shards to show shard details.

  2. Step 2: Consider why shard info might be missing

    Missing shard info often means user lacks permissions to view detailed data.

  3. Final Answer:

    The user lacks permissions -> Option B

  4. Quick Check:

    Missing shard info = permission issue [OK]
Quick Trick: Shard details require proper permissions [OK]
Common Mistakes:
MISTAKES
  • Assuming level=shards is invalid
  • Thinking cluster has no shards
  • Believing API lacks shard support

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