Undici Connection Pooling for Node.js Fetch: Sizing and Timeouts
How Node's fetch pools connections through undici, and how to size, scope, time out and observe dispatchers so outbound HTTP calls stop failing intermittently.
14 min read
Tag
http
API Versioning Strategies: URL vs Header vs Media Type Versioning
Compare URL, header and media type API versioning on caching, routing and tooling, and learn to define breaking changes and retire old versions safely.
14 min read
Async Request-Reply Pattern: HTTP 202 Accepted, Polling and Job Status
Design long-running HTTP operations with 202 Accepted, a job status endpoint, idempotent submission, sound polling, optional callbacks and cleanup rules.
16 min read
Server-Sent Events vs WebSockets for Backend Push Updates
Compare server-sent events vs websockets for real-time updates: wire protocols, SSE scaling, websocket load balancing, proxies, deploys, and when to pick each.
14 min read
Idempotency in Distributed Systems: Making Retries Safe
Learn how idempotency keys, durable dedup records and atomic state transitions make retries safe when exactly-once delivery is impossible.
14 min read
GraphQL vs REST: Trade-offs for Real Backend Projects
Compare GraphQL vs REST on data modeling, over-fetching, caching, N+1, security and versioning, with a decision framework for backend teams.
13 min read