AWS - Route 53
What will happen if a Route 53 health check configured for an HTTP endpoint returns a 404 status code?
What will happen if a Route 53 health check configured for an HTTP endpoint returns a 404 status code?
medium📝 service behavior Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand HTTP status codes and health checks
Route 53 considers HTTP status codes 200-399 as healthy responses.Step 2: Evaluate 404 status code
404 is a client error, so Route 53 marks the endpoint as unhealthy.Final Answer:
The endpoint is considered unhealthy -> Option CQuick Check:
404 status = unhealthy endpoint [OK]
Quick Trick: Only 200-399 HTTP codes mean healthy [OK]
Common Mistakes:
- Assuming 404 means healthy
- Thinking Route 53 ignores HTTP status codes
- Believing health checks retry immediately on failure
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