Apache Kafka 面试题与答案
Question: What are consumers or users?Answer: Mainly, Kafka Consumer subscribes to a topic(s), and also reads and processes messages from the topic(s). Moreover, with a consumer group name, Consumers label themselves.In other words, within each subscribing consumer group, each record published to a topic is delivered to one consumer instance. Make sure it is possible that Consumer instances can be in separate processes or on separate machines. |
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- Explain the concept of Leader and Follower.
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