Tag: #percentile
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 2 posts
The Mean Tells You Nothing — How to Debug Latency Through Distributions
Farid Zakaria's post "The mean means nothing," published July 27, 2026 and reaching the top of Hacker News, covers a case where average latency got 9% worse after a caching layer rollout — from 112ms to 122ms. In the ver
2026-07-31 · 14 min read #observability#latency#performance#histogram#percentileWhy Average Response Time Lies — How to Read p50, p95, and p99 Properly
A service whose average response time is 80ms can still keep users waiting three seconds, and that happens all the time. This post explains what the average hides in a long-tail distribution, which question each of p50,
2026-07-26 · 11 min read #observability#percentile#prometheus#histogram#slo