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Kafka Interview Question 4: Why One Consumer Is Overloaded While Others Are Idle?
Автор: Satyverse(Satyam Parmar)
Загружено: 2026-01-09
Просмотров: 112
Описание:
You scaled your Kafka consumers, but only one consumer is overloaded while others stay idle.
System feels slow even though you added more instances.
In this video, we explain why this happens in real Kafka systems and how senior engineers debug and fix it.
You’ll learn:
Why Kafka consumers become unevenly loaded
How partition skew breaks scaling
The impact of bad message keys
Why too few partitions cause idle consumers
Sticky partition assignment issues
Real solutions used in production
This is a very common senior-level Kafka interview question.
👉 Want more Kafka interview videos? Comment “More Kafka”.
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