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GCP · Networking

Cloud CDN

Edge caching for HTTP(S) LB.

Official docs

Overview

Cloud CDN caches origin responses at Google edge POPs with cache invalidation and signed URLs.

When to use it

  • Static SPA delivery
  • Reduce origin load during stress tests

Setup

  1. Enable CDN on the LB backend service.

How to use

Invalidate
gcloud compute url-maps invalidate-cdn-cache web --path='/*'

QA use cases

  • Validate cache headers and TTLs as part of release smoke tests.