Apache Ambari Installation for IBM Power Systems
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Database Requirements

Ambari requires a relational database to store information about the cluster configuration and topology. If you install Druid, Hive, Oozie, or Ranger; they also require a relational database. The following table outlines these database requirements:

Component

Databases

Description

Ambari

- MySQL 5.7

By default, Ambari installs an instance of PostgreSQL on the Ambari Server host.*

Druid- MySQL 5.7 

Hive

- MySQL 5.7

By default (on RHEL 7), Ambari installs an instance of MySQL on the Hive Metastore host.

Oozie

- MySQL 5.7

Ranger

- MySQL 5.7

* To use MySQL as the Ambari database, you must set up the mysql connector, create a user and grant user permissions before running ambari-setup.

More Information

Using Ambari with MySQL/MariaDB

Installing Ranger