我要评论1.1yarn环境部署
第一步、配置mapred-site.xml文件
vi /usr/local/hadoop/etc/hadoop/mapred-site.xml<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
第二步，配置yarn-site.xml文件
vi /usr/local/hadoop/etc/hadoop/yarn-site.xml<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
#使用hadoop classpath查看值
<property>
<name>yarn.application.classpath</name>
<value>/usr/local/hadoop/etc/hadoop:/usr/local/hadoop/share/hadoop/common/lib/*:/usr/local/hadoop/share/hadoop/common/*:/usr/local/hadoop/share/hadoop/hdfs:/us
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