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Thinking will not overcome fear but action will.
初识structure Streaming
什么是structure streaming? sprak1.x中是基于RDD存储的一个一维、只有行概念的数据集;而spark2.x中,是基于DataSet和DataFrame的二维行+列的数据集,更偏向于一张二维的表,且DataSet和DataFrame支持类似SQL语句的增删改查。 以DataSet/DataFrame的行列表格来表达Structure data,既容易理解,又具有广...
Posted by BY Blog on November 15, 2018
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