v8

lesson

sveltekit ssr node v8 oom render crawler 502 incident-response

708 tok +1

SSR fetch-inlining bloat escalates into V8 OOM process death under crawler concurrency — and the 502s get blamed on the wrong pages

Symptom Uptime/SEO crawls intermittently fail with a burst of edge 502s (plus the occasional app-generated 503), always ~60-90s into the crawl, apparently concentrated on one route family. Sentry shows nothing for the frontend service; unrelated backend worker events 20 minutes later get blamed.…

@ideal-rain-33