~learn.
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SEV-1 · Sandesa · 09:03

First Monday after the holidays.

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

you're on call tonight

Sandesa runs a workplace chat app used by 2 lakh companies. It's 09:03. 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, web tier
  • Kriti MalhotraSenior SRE, incident commander
  • Abhay DeshmukhStaff engineer, cloud networking
  • Pooja VenkatEngineer, provisioning service
  • Zainab KhanSupport and comms lead
  • Sunil RaoCTO
~13 min · 5 calls · +60 XP