Yarn Capacity Scheduler配置


我们开辟出两个队列,一个是生产上需要的队列prod,一个是开发上需要的队列dev,开发下面又分了eng工程师和science科学家,我们这样就可以指定队列

  • 1、关闭yarn, stop-yarn.sh
  • 2、先备份$HADOOP_HOME/etc/hadoop/capacity-scheduler.xml
    cp capacity-scheduler.xml capacity-scheduler.xml_bak
    rm capacity-scheduler.xml
  • 3、然后在这个配置中加上如下配置vi capacity-scheduler.xml
<configuration>
    <property>
        <name>yarn.scheduler.capacity.root.queues</name>
        <value>prod,dev</value>
    </property>
    <property>
        <name>yarn.scheduler.capacity.root.dev.queues</name>
        <value>eng,science</value>
    </property>
    <property>
        <name>yarn.scheduler.capacity.root.prod.capacity</name>
        <value>40</value>
    </property>
    <property>
        <name>yarn.scheduler.capacity.root.dev.capacity</name>
        <value>60</value>
    </property>
    <property>
        <name>yarn.scheduler.capacity.root.dev.maximum-capacity</name>
        <value>75</value>
    </property>
        <property>
        <name>yarn.scheduler.capacity.root.dev.eng.capacity</name>
        <value>50</value>
    </property>
    <property>
        <name>yarn.scheduler.capacity.root.dev.science.capacity</name>
        <value>50</value>
    </property>
</configuration>

占比是百分比

  • 4、然后进行同步:
    scp capacity-scheduler.xml hadoop-twq@slave1:~/bigdata/hadoop-2.7.5/etc/hadoop/
    scp capacity-scheduler.xml hadoop-twq@slave2:~/bigdata/hadoop-2.7.5/etc/hadoop/
  • 5、启动yarn, start-yarn.sh
  • 6、通过WebUI查看配置是否成功

  • 在DistributedCount.java中MapReduce程序指定队列运行
    job.getConfiguration().set("mapreduce.job.queuename", "eng");
    运行中通过WebUI可以查看运行过程:

posted @ 2019-02-27 17:03  AntarcticPenguin  阅读(1588)  评论(0编辑  收藏  举报
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