高可用的集羣搭建可以參考博主的另一篇博客
https://blog.csdn.net/PowerBlogger/article/details/83018127
集羣規劃:
基於HDFS高可用分佈式集羣搭建yarn步驟:
- 找到hadoop安裝目錄下的 mapred-site.xml.template ,將其更名爲mapred-site.xml ,
mv mapred-site.xml.template mapred-site.xml
並在mapred-site.xml 配置如下信息:
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
2.修改yarn-site.xml,添加如下配置信息:
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<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>node01</value>
</property>
<property>
<name>yarn.resourcemanager.hostname.rm2</name>
<value>node02</value>
</property>
<property>
<name>yarn.resourcemanager.zk-address</name>
<value>node02:2181,node03:2181,node04:2181</value>
</property>
配置新到這裏就結束了,接下來是啓動過程:
- 首先啓動zookeeper集羣,
zkServer.sh start
- 然後啓動HDFS集羣
start-dfs.sh
- 啓動yarn
start-yarn.sh
- 啓動備用ResourceManager
yarn-daemon.sh start resourcemanager
最後就可以登錄網頁node01:8088查看yarn狀態了