*** 参考： [Spark 算子Java操作示例](https://blog.csdn.net/Leafage\_M/article/details/76165919) [Spark RDD之Partition]([https://blog.csdn.net/u011564172/article/details/53611109](https://blog.csdn.net/u011564172/article/details/53611109)) [Spark官方文档 - 中文翻译](http://www.cnblogs.com/BYRans/p/5292763.html#1) [Spark转换算子和执行算子](https://blog.csdn.net/caiandyong/article/details/53612561)