yarn的资源调度器

目前,Hadoop作业调度器主要有三种:FIFOCapacity SchedulerFair SchedulerHadoop2.7.2默认的资源调度器是Capacity Scheduler

具体设置详见:yarn-default.xml文件
<property>
    <description>The class to use as the resource scheduler.</description>
    <name>yarn.resourcemanager.scheduler.class</name>
<value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler</value>
</property>

1.先进先出调度器(FIFO),如图所示

2.容量调度器(Capacity Scheduler),如图所示

3.公平调度器(Fair Scheduler),如图所示

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转载自blog.csdn.net/qq_43193797/article/details/85714725