Apache Ambari User Guide
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Adding an Oozie Server Component

  1. In Ambari Web, browse to the host where you would like to install another Oozie Server.

  2. On the Host page, click the +Add button.

  3. Select Oozie Server from the list and Ambari will install the new Oozie Server.

  4. After configuring your external Load Balancer, update the oozie configuration.

  5. Browse to Services > Oozie > Configs and in oozie-site add the following:

    Property

    Value

    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://<loadbalancer.hostname>:11000/oozie

  6. In oozie-env, uncomment OOZIE_BASE_URL property and change value to point to the Load Balancer. For example:

    export OOZIE_BASE_URL="http://<loadbalance.hostname>:11000/oozie"

  7. Restart Oozie service for the changes to take affect.

  8. Update HDFS configs for the Oozie proxy user. Browse to Services > HDFS > Configs and in core-site update the hadoop.proxyuser.oozie.hosts property to include the newly added Oozie Server host. Hosts should be comma separated.

  9. Restart all needed services.