问题:
1. web ui http://hadoop1:8088/cluster/nodes 显示只有一个节点
2.yarn node -list 显示只有一个节点
解决方法:
yarn-site.xml 添加以下配置
···
<property>
<name>yarn.scheduler.capacity.root.support.user-limit-factor</name>
<value>2</value>
</property>
<property>
<name>yarn.nodemanager.disk-health-checker.min-healthy-disks</name>
<value>0.0</value>
</property>
<property>
<name>yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage</name>
<value>100.0</value>
</property>
···
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