Engineering
Cancellation Patterns in TypeScript: Taming AbortController
Why most async TypeScript code ignores cancellation entirely, and how to build composable, leak-free cancellation with AbortController.
·4 min read
Tags
Node.js
33 articles · Page 1 of 3
Backend
Request Coalescing: Stopping the Thundering Herd
When a cache entry expires under load, dozens of requests race to rebuild it — inflight deduplication collapses that stampede into one upstream call.
·4 min read
Backend
Streaming Large Datasets in Node.js with Backpressure
Stop loading entire result sets into memory: how Node.js streams and async generators let you process millions of records without blowing the heap.
·4 min read
Backend
Distributed Locks: Coordinating Work Across Multiple Nodes
Stop racing conditions in distributed systems: a practical guide to implementing distributed locks with Redis and PostgreSQL advisory locks in Node.js.
·5 min read
Backend
Type-Safe Event Emitters in TypeScript
Replace Node's stringly-typed EventEmitter with a generic typed alternative that catches event name typos and payload mismatches at compile time.
·4 min read
Backend
Async Concurrency in Node.js: Semaphores and Backpressure
Unbounded Promise.all is a silent OOM killer — here's how to build semaphores, throttled queues, and stream backpressure into your Node.js applications.
·4 min read
Backend
Request Context in Node.js with AsyncLocalStorage
Use AsyncLocalStorage to carry request-scoped context — trace IDs, sessions, tenant data — through async call stacks without threading it everywhere.
·4 min read
Backend
Graceful Shutdown in Node.js Production Services
Most Node.js services silently drop in-flight requests on every deploy. How to handle SIGTERM correctly, drain connections and exit cleanly in Kubernetes.
·5 min read
Backend
Composable Middleware Pipelines in TypeScript
Stop bolting middleware onto frameworks and start building type-safe, composable pipeline primitives you can test in isolation and reason about at a glance.
·4 min read
Backend
Worker Threads in Node.js: Offloading CPU-Bound Work
Learn how to use Node.js worker threads to handle CPU-intensive tasks without blocking the event loop, with thread pooling and type-safe messaging patterns.
·5 min read
Backend
Structured Logging for Production Node.js Services
Structured logging in Node.js that produces machine-parsable, searchable entries with correlation IDs, consistent severity levels and context propagation.
·3 min read
Tutorials
A Real-Time Notification System with WebSockets and Redis
A step-by-step tutorial for a scalable real-time notification system: WebSockets, Redis pub/sub for multi-server broadcast and persistent read tracking.
·5 min read