Apache Hadoop High Availability
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Minimum Settings for Automatic ResourceManager HA Configuration

The minimum yarn-site.xml configuration settings for ResourceManager HA with automatic failover are as follows:

<property>
 <name>yarn.resourcemanager.ha.enabled</name>
 <value>true</value>
</property>

<property>
 <name>yarn.resourcemanager.ha.rm-ids</name>
 <value>rm1,rm2</value>
</property>

<property>
 <name>yarn.resourcemanager.hostname.rm1</name>
 <value>192.168.1.9</value>
</property>

<property>
 <name>yarn.resourcemanager.hostname.rm2</name>
 <value>192.168.1.10</value>
</property>

<property>
 <name>yarn.resourcemanager.recovery.enabled</name>
 <value>true</value>
</property>

<property>
 <name>yarn.resourcemanager.store.class</name>
 <value>org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore</value>
</property>

<property>
 <name>yarn.resourcemanager.zk-address</name>
 <value>192.168.1.9:2181,192.168.1.10:2181</value>
 <description>For multiple zk services, separate them with comma</description>
</property>

<property>
 <name>yarn.resourcemanager.cluster-id</name>
 <value>yarn-cluster</value>
</property>