maven项目pom文件配置
4.0.0
com.bigdata
mapreduce
0.0.1-SNAPSHOT
mapreduce
http://maven.apache.org
UTF-8
org.apache.hadoop
hadoop-client
2.8.1
一、在eclipse使用main方法提交给集群yarn运行mapreduce
1、计数mapper实现
package com.bigdata.mapreduce;
import java.io.IOException;
import org.apache.hadoop
