~learn.
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SEV-1 · Nigrani · 11:33

The update nobody scheduled.

Fictional company and people. Modelled on a real public postmortem, named at the end.

you're on call tonight

Nigrani runs a monitoring service used by 25,000 companies, running in five regions on three clouds. It's 11:33. The channel fills up as the night goes on; at 5 points you make the call. A wrong move costs minutes and users, and someone tells you why.

in the channel
  • YouOn-call SRE, compute platform
  • Deepika JoshiSenior SRE, incident commander
  • Rajat MehraPrincipal engineer, Kubernetes platform
  • Fatima SheikhEngineer, data intake and processing
  • Ananya GhoshStatus and customer communications
  • Vivek ChandraCTO
~13 min · 5 calls · +60 XP