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Scenarios & trade-offsMediumSDE-2
During a sale, consumer lag on your order-events Kafka topic grows to 2 million messages and keeps rising. Downstream, emails and seller notifications are 40 minutes late. What do you do?
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FlipkartMeeshoMyntraSwiggy
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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