yarn-site.xml

<?xml version="1.0"?>
<!--
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. See accompanying LICENSE file.
-->
<configuration>
<!-- 开启RM高可用 -->
<property>
<name>yarn.resourcemanager.ha.enabled</name>
<value>true</value>
</property>
<!-- 指定RM的cluster id，一组高可用的rm共同的逻辑id -->
<property>
<name>yarn.resourcemanager.cluster-id</name>
<value>yarn-ha</value>
</property>
<!-- 指定RM的名字，可以随便自定义 -->
<property>
<name>yarn.resourcemanager.ha.rm-ids</name>
<value>rm1,rm2</value>
</property>
<!-- 分别指定RM的地址 -->
<property>
<name>yarn.resourcemanager.hostname.rm1</name>
<value>node01</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address.rm1</name>
<value>${yarn.resourcemanager.hostname.rm1}:8088</value>
<description>HTTP访问的端口号</description>
</property>
<property>
<name>yarn.resourcemanager.hostname.rm2</name>
<value>node02</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address.rm2</name>
<value>${yarn.resourcemanager.hostname.rm2}:8088</value>
</property>
<!-- 指定zookeeper集群地址 -->
<property>
<name>yarn.resourcemanager.zk-address</name>
<value>node01:2181,node02:2181,node03:2181</value>
</property>
<!--NodeManager上运行的附属服务，需配置成mapreduce_shuffle，才可运行MapReduce程序-->
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<!-- 开启日志聚合 -->
<property>
<name>yarn.log-aggregation-enable</name>
<value>true</value>
</property>
<!-- 日志聚合HDFS目录 -->
<property>
<name>yarn.nodemanager.remote-app-log-dir</name>
<value>/data/hadoop/yarn-logs</value>
</property>
<!-- 日志保存时间3days,单位秒 -->
<property>
<name>yarn.log-aggregation.retain-seconds</name>
<value>259200</value>
</property>
</configuration>