Livelypoint
News and analysis from the world of production systems.
The Operator's Guide to Load Testing
August 26, 2026
Benchmark simulations repeatedly fail to anticipate live incidents because synthetic request topologies overlook messy reality. Evenly distributed traffic aimed at single endpoints provides isolated micro-benchmarks. Real degradation occurs when synchronized retry floods slam backends after a momentary blip, or automated crawlers comb through cold storage.
Mirroring genuine telemetry traces—reflecting accurate routing weights, realistic think times, and payload diversity—proves far more revealing than arbitrarily ratcheting up synthetic requests per second. Real arrival rates exhibit heavy clustering rather than predictable Poisson distributions, breaking queue thresholds under turbulent variance.
A Practical Guide to API Rate Limiting
September 14, 2026
Few infrastructure components are treated with as much casual oversight as traffic throttling. Simple IP-based token buckets fall apart the moment traffic traverses cellular NAT gateways, causing thousands of legitimate handsets to suffer collective penalties for a single neighbor's surge.…
Managing Secrets Without Losing Sleep
August 18, 2026
There are exactly two ages of secrets management: 'we keep them in an encrypted file' and 'we were audited'. The distance between them is covered by rotation policies, access trails, and the gradual realisation that humans should read production credentials roughly never.…
What Good Observability Actually Looks Like
July 10, 2026
Monitoring consoles sprawl uncontrollably while offering little insight during live incidents. True observability operates under inverted priorities: an on-call engineer gets paged, and telemetry systems must identify the root diff within sixty seconds.…
Structuring DNS for Reliability
August 8, 2026
DNS reliability failures are uniquely embarrassing because the failure mode is global: when your zones stop answering, every health check goes green at the infrastructure layer while the entire product vanishes. The classic mitigation is boring - a secondary provider with independent plumbing.…
More reading
- Cache Invalidation Patterns That Survive Traffic — Data, September 9, 2026
- Understanding TLS 1.3 Session Resumption — Security, May 25, 2026
- Data Residency Basics for Global Teams — Compliance, April 21, 2026
About us
We cover the unglamorous middle of software: queues that back up, caches that lie, and DNS at 3 a.m. Everything is written from real operational experience.