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 |
MariaDB - 10.1 |
By default, Ambari installs an instance of PostgreSQL on the Ambari Server host.* |
| Druid |
MariaDB - 10.1 | |
|
Hive |
MariaDB - 10.1 |
By default (on RHEL 7), Ambari installs an instance of MySQL on the Hive Metastore host. |
|
Oozie |
MariaDB - 10.1 | |
| Ranger |
MariaDB - 10.1 |
More Information