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Kafka设计解析（八）- Kafka事务机制与Exactly Once语义实现原理
source link: http://www.infoq.com/cn/articles/kafka-analysis-part-8?amp%3Butm_medium=popular_widget&%3Butm_campaign=popular_content_list&%3Butm_content=homepage
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本文介绍了Kafka实现事务性的几个阶段——正好一次语义与原子操作。之后详细分析了Kafka事务机制的实现原理，并介绍了Kafka如何处理事务相关的异常情况，如Transaction Coordinator宕机。最后介绍了Kafka的事务机制与PostgreSQL的MVCC以及Zookeeper的原子广播实现事务的异同
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