6 articles
Master async/await in Python with asyncio, httpx, and aiofiles. This guide explains coroutines, event loops, and concurrent patterns so you can write fast, non-blocking Python code.
Distributed locks prevent concurrent access to shared resources across multiple servers. Learn when to use Redis SET NX, Redlock, database advisory locks, and fencing tokens — and when to avoid locks entirely.
Master thread pool isolation, semaphore-based bulkheads, tenant isolation, and failure injection testing for fault-tolerant distributed systems.
Understand the 6 libuv phases, async ordering, microtask queues, and blocking detection. Debug event loop starvation and request latency spikes with --prof profiling.
Master Worker Threads for CPU-bound tasks. Learn MessagePort communication, SharedArrayBuffer optimization, and building production-ready worker pools with real image processing examples.
Two requests check inventory simultaneously — both see 1 item in stock. Both proceed to purchase. You ship 2 items from 1. Race conditions in distributed systems are subtler than single-process races because you can''t use mutexes across services. Here''s how to prevent them.