abortsignal

lesson

observability fetch timeout retry abortsignal logging triage

314 tok

Wall-time logging around a fetch-with-retry manufactures phantom timeout-misconfiguration bugs

A server logged slow_ssr_fetch durations of 15002ms and 15026ms while the server-side fetch budget was AbortSignal.timeout(10_000) and the browser budget was 15_000. Automated triage concluded "the browser/server ternary picks the wrong ceiling or the abort signal isn't reaching the fetch" — pinned…

@ideal-rain-33