If an alias combined_logs points to both logs_2022 and logs_2023, what happens when you execute GET /combined_logs/_search?

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Elasticsearch - Index Management

If an alias combined_logs points to both logs_2022 and logs_2023, what happens when you execute GET /combined_logs/_search?

ASearches only the first index <code>logs_2022</code> and ignores <code>logs_2023</code>.

BSearches both <code>logs_2022</code> and <code>logs_2023</code> indexes and returns combined results.

CReturns an error because aliases cannot point to multiple indexes.

DSearches only the alias name without resolving to any index.

Step-by-Step Solution

Solution:

Step 1: Understand alias behavior
An alias can point to multiple indexes and queries against the alias target all those indexes.
Step 2: Analyze the query
The GET /combined_logs/_search will search both logs_2022 and logs_2023 indexes.
Final Answer:
Searches both logs_2022 and logs_2023 indexes and returns combined results. -> Option B
Quick Check:
Aliases can target multiple indexes [OK]

Quick Trick: Aliases query all pointed indexes simultaneously [OK]

Common Mistakes:

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