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CDC数据的存放 about flink-sql-etl HOT 2 OPEN

leonardbang avatar leonardbang commented on June 26, 2024
CDC数据的存放

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leonardBang avatar leonardBang commented on June 26, 2024

(1)可以存成binary,如果需要在 Flink 中使用就自定义序列化/反序列化解析器处理
(2)这个应该是架构设计里有消息队列的通用问题,比较偏业务架构,我理解 cdc数据就应该是存在 queue 里,如果 queque 里的数据不能持久化过久(比如7天过期),那下游再次消费就应该用一个新的 queue.

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yang-Reck avatar yang-Reck commented on June 26, 2024

存成binary是一种方式,同时也存在消息体过大,从而使kafka的性能从而带来的影响。这一点上pulsar中的bookkeeper相当于把MQ拆分成两部分

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