Provides the steps required to remove the deprecated components and services which are
not supported by Hortonworks Data Platform (HDP).
About this task
You must stop and remove all the deprecated services and components from the Ambari server.
Procedure
-
Remove the HBASE REST SERVER component. For each HBase Rest Server installed on the
cluster:
- In Ambari, select the Hosts link
- Select the host with the HBASE REST SERVER component running
- From the Actions drop-down menu select
- From the Actions drop-down menu select to delete the component
- Delete the mapping of HBASE REST SERVER component to HBase service by using the following REST
API as
follows:
curl -u <admin-username>:<admin-password> -H "X-Requested-By:ambari" -i -X DELETE
http://<ambari-server-host>:<port>/api/v1/clusters/<cluster-name>/services/HBASE/components/HBASE_REST_SERVER
For
example:curl -u admin:admin -H "X-Requested-By:ambari" -i -X DELETE
http://iop1:8080/api/v1/clusters/iop/services/HBASE/components/HBASE_REST_SERVER
-
Remove the TITAN, SOLR, JNBG, R4ML, and SYSTEMML services in order (if present). To
remove a service, follow these steps:
- In the Ambari web UI, select the service (for example, TITAN) in the
Services list.
- Select to stop the service.
- Select to delete the service.
Repeat this process for all the services listed above.
What to do next
The next step in the migration process is to upgrade your stack.
See Upgrading the stack for details.