网站介绍：文章浏览阅读1.6k次。1、定义/** * Main entry point for Spark functionality. A SparkContext represents the connection to a Spark * cluster, and can be used to create RDDs, accumulators and broadcast variables on that cluster. * * Only one SparkContext may be active per JV.._data = spark.sparkcontext.中spark怎么定义
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