Output Operations on DStreams
2017-04-28 17:41
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print():打印DStream中的前10行数据
saveAsTextFiles(prefix, [suffix])：保存成文本文件到prefix指定的目录下，后缀为suffix
saveAsObjectFiles(prefix, [suffix]) ：保存DStream数据为 SequenceFiles 或者 serialized Java objects
saveAsHadoopFiles(prefix, [suffix]) ：保存文件到hadoop上
foreachRDD(func)：遍历DStream中的RDD
saveAsTextFiles(prefix, [suffix])：保存成文本文件到prefix指定的目录下，后缀为suffix
saveAsObjectFiles(prefix, [suffix]) ：保存DStream数据为 SequenceFiles 或者 serialized Java objects
saveAsHadoopFiles(prefix, [suffix]) ：保存文件到hadoop上
foreachRDD(func)：遍历DStream中的RDD
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