#performance
4 articles
Concurrency
Doing many things at once without breaking everything. Concurrency vs parallelism, language models, race conditions, and practical rules.
· 4 min read
backend concurrency parallelism
Scaling Part 2
CDNs, read replicas, sharding, finding bottlenecks, N+1 queries, and a performance checklist for production backends.
· 3 min read
backend scaling cdn
Scaling Part 1
From one server to many. Vertical vs horizontal scaling, load balancers, stateless architecture, and quick performance wins.
· 3 min read
backend scaling load-balancer
Caching
Why hit the database when you don't have to. Cache layers, invalidation strategies, Redis, and when caching makes sense.
· 3 min read
backend caching redis