0. 说明
MapReduce 实现标签的生成与聚合
介绍 && 流程图 && 程序编写
1. 介绍
【1.1 原始有效数据】
86913510 {"reviewPics":null,"extInfoList":[{"title":"contentTags","values":["午餐","分量适中"],"desc":"","defineType":0},{"title":"tagIds","values":["684","240"],"desc":"","defineType":0}],"expenseList":null,"reviewIndexes":[2],"scoreList":null}
【1.2 流程图】