2018年9月28日
Map Reduce Application(Join)
摘要： We are going to explain how join works in MR , we will focus on reduce side join and map side join. Reduce Side Join Assuming we have 2 datasets , one 阅读全文
posted @ 2018-09-28 12:52 Ricky~~ 阅读(386) 评论(0) 推荐(0)