AWS - Cloud Computing Fundamentals
A user reports that CloudFront is serving stale content. What is a likely cause?
A user reports that CloudFront is serving stale content. What is a likely cause?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand stale content cause
If TTL is too high, cached content stays longer than desired, causing staleness.Step 2: Exclude other causes
Origin down causes errors, not stale content; edge locations are always enabled; disabled distribution stops serving.Final Answer:
The cache TTL is set too high -> Option CQuick Check:
High TTL causes stale cache [OK]
Quick Trick: High TTL keeps old content longer [OK]
Common Mistakes:
- Assuming origin down causes stale content
- Thinking edge locations can be disabled
- Confusing distribution status with caching
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