YARN环境搭建

mapred-site.xml

<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>

yarn-site.xml

<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>

 

启动yarn：sbin/start-yarn.sh

验证是否启动成功
jps
ResourceManager
NodeManager

web: http://hadoop001:8088

停止yarn： sbin/stop-yarn.sh

提交mr作业到yarn上运行： wc

/home/hadoop/app/hadoop-2.6.0-cdh5.7.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0-cdh5.7.0.jar

hadoop jar /home/hadoop/app/hadoop-2.6.0-cdh5.7.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0-cdh5.7.0.jar wordcount /input/wc/hello.txt /output/wc/

 

posted @ 2019-03-21 00:10  Arthur-Lance  阅读(453)  评论(0)  编辑  收藏  举报