Adding an Oozie Server Component
Steps
- In Ambari Web, browse to the host on which you want to install another Oozie Server. 
- On the Host page, click the +Add button. 
- Click Oozie Server from the list. - Ambari installs the new Oozie Server. 
- Configure your external load balancer and then update the Oozie configuration. 
- Browse to Services > Oozie > Configs. 
- In - oozie-site, add the following property values:- oozie.zookeeper.connection.string
- List of ZooKeeper hosts with ports: for example, - c6401.ambari.apache.org:2181, - c6402.ambari.apache.org:2181, - c6403.ambari.apache.org:2181 
- oozie.services.ext
- org.apache.oozie.service.ZKLocksService, - org.apache.oozie.service.ZKXLogStreamingService, - org.apache.oozie.service.ZKJobsConcurrencyService 
- oozie.base.url
- http://<Cloadbalancer.hostname>:11000/oozie 
 
- In oozie-env, uncomment the oozie_base_url property and change its value to point to the load balancer: - export oozie_base_url="http://<loadbalance.hostname>:11000/oozie"
- Restart Oozie. 
- Update the HDFS configuration properties for the Oozie proxy user: - Browse to Services > HDFS > Configs. 
- In - core-site, update the hadoop.proxyuser.oozie.hosts property to include the newly added Oozie Server host.- Use commas to separate multiple host names. 
 
- Restart services. 
Next Steps
Review and confirm all recommended configuration changes.
More Information

