16Liveness, readiness and startup probes: what does each one do when it fails, and how do you get them wrong?▼medium★ EssentialUberShopifyRed Hat2 notes & commentsunlockedEveryone can recite the three. Explain what each failure causes, and why a badly configured liveness probe is more dangerous than none at all.Open full answer →
39The secrets manager blipped for ten minutes overnight, and applications restarting hours later are still failing. Explain the cascade.▼mediumSalesforceJPMorgan ChaseStripe◆ premiumThe outage window closed, but every process born since then still tries to fetch secrets at boot with nothing to fall back on. Why restarts keep reopening an incident that already ended.Open full answer →