why俺不是悟空

http://blog.youkuaiyun.com/yfkiss/article/details/7019022 2. aggregate class summaryDoubleValueSumThis class implements a value aggregator that sums up a sequence of double values.LongValueM...

-cmdenv  用于在提交作业时向Streaming进程设置环境变量， 1.参见《Hadoop权威指南 第二版》P187 2.Hadoop Streaming高级编程   http://dongxicheng.org/mapreduce/hadoop-streaming-advanced-programming/...

//TODO 说明     [xxuser@xxhost ~]$ hadoop jar $HADOOP_STREAMING_JAR \> -input /test/ylb/mock_data/cv-pt-demo.txt \> -output /test/ylb/mock_data/output/cv-pt-demo-10 \> -mapper...