1.1 Features of Kafka:
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High throughput and low latency: Kafka can process hundreds of thousands of messages per second, and its latency is as low as a few milliseconds. Each topic can be divided into multiple partitions, and consumer groups can consume partitions.
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Scalability: Kafka cluster supports hot expansion
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Persistence and reliability: messages are persisted to the local disk, and data backup is supported to prevent data loss
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Fault tolerance: allow nodes in the cluster to fail (if the number of copies is n, then n-1 nodes are allowed to fail)
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High concurrency: support thousands of clients to read and write at the same time
Author: H solitary street drinkers
link: https: //www.jianshu.com/p/734cf729d77b
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