ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Developer tools · #facebook
Explore how Facebook uses GraphQL to eliminate mobile data over-fetching through precise field selection, cursor-based pagination, and schema evolution for backward compatibility.
Learn how to use McRouter to scale distributed Memcached clusters, prevent cache stampedes using leases, and implement consistent hashing for high-read workloads.
A decision guide to adding a Memcached tier in front of MySQL, based on Facebook's published caching architecture: options compared, trade-offs, and a validation setup.
Offset pagination breaks on live Facebook data. Here's how cursor-based pagination in the Graph API keeps results consistent, with a working Python loop and the rate-limit traps to avoid.
Learn how to set up Facebook Login for your website, from initializing the JavaScript SDK to handling OAuth tokens and avoiding common pitfalls.
Learn how TAO’s cache‑backed MySQL store serves billions of graph reads with sub‑millisecond latency, and how to handle its eventual consistency in practice.
A practical guide to diagnosing Facebook Graph API 429 errors, using X‑App‑Usage headers, back‑off logic, batching, and limit‑increase requests to keep your app running smoothly.
Learn how Facebook’s TAO store uses a cache‑first approach to serve billions of social‑graph edges with low latency, and what trade‑offs arise from its eventual consistency model.
Learn how to identify Facebook Graph API 429 errors, diagnose their causes, apply targeted fixes, and know when to escalate for higher limits.
graphql
memcached
python