What Changes First When You Tune Rotation, Concurrency, and Exit Grouping in a Proxy Stack — Stability, Speed, or Survival Rate?
You start tuning the obvious knobs. Rotation intervals get shorter. Concurrency limits get nudged upward. Exit pools are regrouped, split, merged, and split again. On dashboards, something always improves. Latency drops. Throughput rises. Request volume looks healthier. And yet, a few days later, something important breaks. Logins fail more often. Accounts that used to survive…