Interview questions
Real-time systemsHardSDE-3

One of your WebSocket gateway clusters crashes during the evening peak. Two million clients drop at once and try to reconnect, and the auth service and remaining gateways fall over. How do you survive this?

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Dream11JioHotstarShareChat

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

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