为什么要用消息队列?比如有很多数据源在采集产生数据,如果直接把数据扔给spark streaming,可能各个产生的频率,即压力大小不同,造成spark产生问题。消息队列高吞吐,如kafka,可解决这个问题。
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原文地址:Spark Streaming Programming Guide 概述 Spark Streaming...
本文标题:streaming
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