#backend
5 posts tagged with #backend
Every article below is hand-written, technically reviewed, and focused on backend. Posts cover real-world architecture decisions, code-level implementation patterns, and trade-offs you'll only discover after shipping production systems.
Technology SQLite Production API Concurrency: WAL Mode Limits [2026]
SQLite in production is real. WAL mode buys you read/write concurrency and great latency. The trap is write contention, checkpoints, and backups. Here’s the decision guide, tuning defaults, and a runnable load test + restore drill.
Developer Tools How to Design Webhook Retries, Ordering, Idempotency [2026]
A practical 10M events/day webhook delivery architecture: partition keys, retry storm control, per-tenant isolation, idempotency storage, replay UX, and reliability SLOs.
Developer Tools How to Upgrade to Go 1.27 in Production [Week-1 Checklist]
A pragmatic Go 1.27 upgrade playbook: toolchain pinning, CI matrix changes, perf validation (p99/allocs/GC), migration traps, and what to do with json/v2.
Developer Tools Redis vs DragonflyDB 2026: Which Cache Actually Wins?
I'd pick Redis for teams that need a battle-tested ecosystem and broad client support; I'd pick DragonflyDB if you're hitting Redis's single-threaded ceiling and want 25× throughput on the same hardware without a rewrite.
Developer Tools SQLite vs PostgreSQL 2026: Which DB Wins for App Backends?
I'd pick SQLite for single-server apps under ~10k daily active users and PostgreSQL the moment you need concurrent writes, multi-node deployments, or a team larger than one. The fault line isn't size — it's concurrency and operational complexity.