The cache went cold at peak hour.
Fictional company and people. Modelled on a real public postmortem, named at the end.
you're on call tonight
Baithak runs a team chat app used by 1.5 crore people at work. It's 19:32. 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, caching tier
- Neeraj SaxenaSenior SRE, incident commander
- Alisha KapoorStaff engineer, cache platform
- Tarun BatraDatabase engineer, sharded MySQL
- Kavita RaoSupport and comms lead
- Manish GuptaCTO
~12 min · 5 calls · +60 XP