Operations, monitoring and the interview
Day 5 makes the platform operable: metrics at every stage, dashboards by persona, structured logs and a trace that shows where the time goes, alerts that page on symptoms and warn on causes, runbooks for low delivery, backlogs and open circuits, canary deploys and safe migrations, then the full 45-minute interview walkthrough, how Uber, Slack and WhatsApp do it, and the week's seven takeaways.
01 · Previously
W06 · DAY 05 · Operations, Monitoring & Interview Mastery
A system you can't observe is a system you can't trust.
Previously: what breaks
Previously, on Day 4, you broke the platform on purpose: campaign bursts, celebrity fan-out, provider limits, circuit breakers, failover, and the edge case encyclopedia.
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