摘要：
scala> val text=spark.read.textFile("/tmp/20171024/tian.txt")text: org.apache.spark.sql.Dataset[String] = [value: string] scala> text.countres0: Long 阅读全文
posted @ 2017-11-09 18:03 打杂滴 阅读(151) 评论(0) 推荐(0) 编辑
posted @ 2017-11-09 18:03 打杂滴 阅读(151) 评论(0) 推荐(0) 编辑
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