[Solved] Why does this command fail?DELETE /my_index/_close - Ans: DELETE method cannot be used to close an index. | Elasticsearch

Elasticsearch - Index Management

Why does this command fail?

DELETE /my_index/_close

AThe index name is invalid.

BThe _close endpoint does not exist.

CDELETE method cannot be used to close an index.

DThe index is already closed.

Step-by-Step Solution

Solution:

Step 1: Understand HTTP method usage for closing
Closing an index requires POST, not DELETE method.
Step 2: Confirm endpoint and index validity
The _close endpoint exists and index name is valid; failure is due to method.
Final Answer:
DELETE method cannot be used to close an index. -> Option C
Quick Check:
Close index requires POST, not DELETE [OK]

Quick Trick: Use POST, not DELETE, to close indexes [OK]

Common Mistakes:

MISTAKES

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Why does this command fail?