YARN配置

##YARN上运行MapReduce程序

配置yarn上运行

1. 配置yarn-env.sh(配置JAVA_HOME)

2. 配置yarn-site.xml

<#configuration>

    <#!-- reduce huoqufangshi>

    <#property>

    <#name>yarn.nodemanager.aux-services

    <#vale>mapreduce_shuffle

    <#/property>

    <#property>

     <#name>yarn.resourcemanager.hostname

     <#value>localhos102

    <#/property>

<#/configuration>

3 配置mapred-env.sh(配置JAVA_HOME)

4 配置mapred-site.xml

将mapred-site.xml.template重命名mapred-site.xml

<#configuration>

    <#property>

        <#name>mapreduce.framework.name

        <#value>yarn

    <#/property>

<#/configuration>

启动:

sbin/hadoop-daemon.sh start namenode

sbin/hadoop-daemon.sh start datanode

yarn-daemon.sh start resourcemanager

yarn-daemon.sh start nodemanager

web查看 端口:8088

停止 相应的改为stop