After enabling Cloud CDN, users report stale content is served. What configuration change can fix this?

medium📝 Debug Q7 of 15

GCP - Cloud Load Balancing

AIncrease backend instance size

BSet Cache-Control: max-age to a lower value or use Cache Invalidation

CDisable Cloud CDN to force backend responses

DRemove HTTP(S) Load Balancer from the setup

Step-by-Step Solution

Solution:

Step 1: Understand stale content cause
Long max-age or lack of cache invalidation causes CDN to serve outdated content.
Step 2: Apply corrective actions
Lower max-age or explicitly invalidate cache to refresh content promptly.
Final Answer:
Set Cache-Control: max-age to a lower value or use Cache Invalidation -> Option B
Quick Check:
Fix stale cache = Lower max-age or invalidate [OK]

Quick Trick: Use cache invalidation or reduce max-age to refresh content [OK]

Common Mistakes:

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