tolerance — 2 Technical Articles

Feb 23, 2026 · Fundamentals

Can You Really Train Your Alcohol Tolerance? The Science Behind Drinking Capacity

This article explains how alcohol is metabolized, why many East Asians experience flushing due to the ALDH2*2 genetic variant, how a simple pharmacokinetic model predicts acetaldehyde buildup, and why perceived drinking tolerance is driven by neural adaptation rather than metabolic improvement.

ALDH2alcohol metabolismgenetics

0 likes · 9 min read

Can You Really Train Your Alcohol Tolerance? The Science Behind Drinking Capacity

Ops Development Stories

Sep 4, 2025 · Cloud Native

Why Kubernetes HPA Ignores High CPU Usage and How Tolerance Affects Scaling

This article explains the internal architecture and source‑code flow of Kubernetes Horizontal Pod Autoscaler, detailing how components like HorizontalController and ReplicaCalculator compute desired replicas, why a default 10% tolerance can prevent scaling even when CPU exceeds the target, and how behavior policies and scaling limits influence HPA decisions.

HPAHorizontal Pod AutoscalerKubernetes

0 likes · 16 min read

Why Kubernetes HPA Ignores High CPU Usage and How Tolerance Affects Scaling