How to cache GraphQL queries at the edge
summary
Builds an edge GraphQL cache called GraphCDN deployed on Fastly Compute@Edge, stores whole query results (no normalized caching because a gateway can’t assume per‑user auth), demo shows initial cache miss then a 20ms cache hit, claims about average p95 speedups around 150x across billions of requests and global purge latency ~150ms, exposes a purge API and analytics, and admits on‑premises isn’t supported yet.
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chapters (9)
- 0:00Introduction
- 2:16GraphQL clients cache
- 5:08List invalidation
- 6:15Manual invalidation
- 7:02Normalized caching
- 9:36GraphQL CDN
- 12:28Fastly Edge
- 13:53Live Demo
- 16:38Discussion
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