摘要:
地址:http://www.cnblogs.com/jarlean/archive/2013/04/12/3015911.htmlQ21. What is the characteristic of streaming API that makes it flexible run map reduce jobs in languages like perl, ruby, awk etc. (streaming的什么特性让他支持多语言的MR任务)Hadoop Streaming allows to use arbitrary programs for the Mapper and Reducer 阅读全文