If an index has refresh_interval set to 30s, what happens when you perform a search immediately after indexing a document?

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Elasticsearch - Performance and Scaling

If an index has refresh_interval set to 30s, what happens when you perform a search immediately after indexing a document?

AThe document appears instantly in search results.

BThe document may not appear in search results until the next refresh.

CThe document is deleted after 30 seconds.

DThe index refreshes immediately after indexing.

Step-by-Step Solution

Solution:

Step 1: Understand refresh interval of 30 seconds
With a 30s refresh interval, Elasticsearch refreshes the index every 30 seconds.
Step 2: Effect on immediate search after indexing
Documents indexed just after a refresh may not be visible until the next refresh cycle.
Final Answer:
The document may not appear in search results until the next refresh. -> Option B
Quick Check:
Long refresh interval delays search visibility [OK]

Quick Trick: Long refresh interval delays document visibility in search [OK]

Common Mistakes:

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