Jun 4, 2026 Your retry loop assumes the first request failed. It probably didn't. A timeout or crash does not mean your API request was lost. deep-divesidempotencyapi-designresilience
Jun 3, 2026 A lock that outlives your process: how distributed leases actually work In-memory mutexes vanish when your server restarts. Here's how distributed leases with fencing tokens and TTLs prevent duplicate work across crashes, and... deep-divesdistributed-locksleasingresilience
Jun 2, 2026 A circuit breaker with no goroutines, no timers, and no background overhead Most circuit breaker libraries spawn background threads to probe for recovery. You don't need them. deep-divescircuit-breakerperformanceresilience
Jun 1, 2026 Your Web Service Has a Graceful Shutdown Path. That's the Bug. Crash-only software treats every failure as a crash and every startup as a recovery. deep-divescrash-only-softwareresiliencedistributed-systems