Changes to Services and Views
During the process of upgrading to Ambari 2.7.5 and HDP 3.1.5, additional components will be added to your cluster, and deprecated services and views will be removed.
Ambari 2.6.x to Ambari 2.7.5
The Ambari 2.6.x to Ambari 2.7.5 upgrade will remove the following views:
Hive View 1.5, Hive View 2
Hue To Ambari View Migration
Slider
Storm
Tez
Pig
The Ambari Pig View is deprecated in HDP 3.0 and later. Ambari does not enable Pig View. To enable Pig View in HDP 3.0 and later, you need to contact Hortonworks support for instructions that include how to install WebHCat using an Ambari management pack.
HDP 2.6.x to HDP 3.1.5
The HDP 2.6.x to HDP 3.1.5 upgrade will add the following components if YARN is deployed in the cluster being upgraded:
YARN Registry DNS
YARN Timeline Service V2.0 Reader
The HDP 2.6.x to HDP 3.1.5 upgrade will remove the following services:
Flume
Mahout
Falcon
Spark 1.6
Slider
WebHCat
These services will be removed automatically as part of the upgrade process, but they can be also be removed manually prior to the upgrade by following the steps below:
Log in to the Ambari UI.
Click on the service you wish to remove.
From the Service Actions menu, click Delete Service.
Next Steps