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The retry loop that takes down your payment gateway

This story is from 2026-10-20. It is preserved in the archive; the latest stories are on the live feed.

A payment gateway has a 400 ms hiccup. You have 10,000 clients in flight. Every one of them times out in the same instant, catches the same error, and enters the same retry loop. Your backoff is 1s, 2s, 4s , so all 10,000 requests come back at t=1000ms. Together. The gateway, which was just startin…

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  1. 2026-10-20 12:49 · DEV Community — AI
    The retry loop that takes down your payment gateway

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