0、stop-yarn.sh ====== 关闭yarn集群
1、nano /soft/hadoop/etc/hadoop/yarn-site.xml,添加以下内容:
<property>
<name>yarn.resourcemanager.ha.enabled</name>
<value>true</value>
</property>
<property>
<name>yarn.resourcemanager.cluster-id</name>
<value>cluster1</value>
</property>
<property>
<name>yarn.resourcemanager.ha.rm-ids</name>
<value>rm1,rm2</value>
</property>
<property>
<name>yarn.resourcemanager.hostname.rm1</name>
<value>s101</value>
</property>
<property>
<name>yarn.resourcemanager.hostname.rm2</name>
<value>s105</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address.rm1</name>
<value>s101:8088</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address.rm2</name>
<value>s105:8088</value>
</property>
<property>
<name>yarn.resourcemanager.zk-address</name>
<value>s102:2181,s103:2181,s104:2181</value>
</property>
2、xsync.sh /soft/hadoop/etc/hadoop/yarn-site.xml ====== 分发配置文件
3、nano /soft/hadoop/etc/hadoop/masters,添加以下内容:
s101
s105
4、nano /soft/hadoop/sbin/start-yarn.sh,修改文件内容
"$bin"/yarn-daemons.sh --config $YARN_CONF_DIR --hosts masters start resourcemanager
"$bin"/yarn-daemons.sh --config $YARN_CONF_DIR --hosts masters stop resourcemanager
5、start-yarn.sh ====== 启动yarn
6、nano /soft/hbase/conf/backup-masters,配置hbase高可用,添加以下内容:
s105
注:hmaster默认支持高可用
本文详细介绍如何配置YARN的高可用性,包括修改yarn-site.xml以启用资源管理器的高可用设置,分发配置文件,更新masters文件,修改start-yarn.sh脚本,并配置HBase的高可用性。
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