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优步是如何用Kafka构建可靠的重试处理保证数据不丢失
source link: http://www.jdon.com/49366?
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在分布式系统中，重试是不可避免的，我们经常使用后台跑定时进行数据同步，同步不成功就实现重试，重试次数多少取决于你追求一致性还是可用性，如果希望两个系统之前无论如何都必须一致，那么你设置重试次数为无限,..
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