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  • yarn配置、启动、测试

     

    1: yarn共用hdfs的core-site.xml和hdfs-site.xml 。
    2 : yarn-site.xml 配置:

     <property>
            <name>yarn.resourcemanager.webapp.address</name>
            <value>bigdata0:8088</value>
        </property>
        <property>
            <name>yarn.resourcemanager.hostname</name>
            <value>bigdata0</value>
        </property>
        <property>
            <name>yarn.nodemanager.log-dirs</name>
            <value>/mnt/home/1141797198/yarn/0/logs,/mnt/home/1141797198/yarn/1/logs,/mnt/home/1141797198/home/yarn/2/logs</value>
        </property>
        <property>
            <name>yarn.nodemanager.local-dirs</name>
            <value>/mnt/home/1141797198/yarn/0/local,/mnt/home/1141797198/yarn/1/local,/mnt/home/1141797198/yarn/2/local</value>
        </property>
        <property>
            <name>yarn.nodemanager.aux-services</name>
            <value>mapreduce_shuffle</value>
        </property>
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    3:mapred-site.xml配置:

    <?xml version="1.0"?>
    <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
    <configuration>
        <property>
            <name>mapreduce.framework.name</name>
            <value>yarn</value>
        </property>
        <property>
            <name>mapreduce.jobhistory.address</name>
            <value>bigdata0:10020</value>
        </property>
        <property>
            <name>mapreduce.jobhistory.webapp.address</name>
            <value>bigdata0:19888</value>
        </property>
    </configuration>
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    4:启动:yarn resourcemanager
    5 : 创建目录:

            mkdir -p /mnt/home/1141797198/yarn/{0..2}/logs
            mkdir -p /mnt/home/1131797197/yarn/{0..2}/local
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    6 : 启动nodemanager

        /mnt/home/1141797198/hadoop-current/bin/yarn nodemanager
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    7 : 测试 :hadoop jar hadoop-current/share/hadoop/mapreduce/hadoop -mapreduce-examples-2.7.6.jar pi 5 10
    8 :测试 hadoop jar share/hadoop/mapreduce/hadoop -mapreduce-examples-2.7.6.jar wordcount /user/hadoop/input /user/hadoop/output
    9:启动mapred historyserver:

    mapred historyserver
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    10 : 后台启动:

        /mnt/home/1141797198/hadoop-current/sbin/yarn-deamon.sh start resourcemanager
        /mnt/home/1141797198/hadoop-current/sbin/yarn-deamon.sh start nodemanager
        /mnt/home/1141797198/hadoop-current/sbin/mr-jobhistory-deamon.sh start historyserver
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  • 原文地址:https://www.cnblogs.com/onesea/p/13839963.html
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