Installation Prerequisites

Before you begin the installation process, verify the following points.

  • You must have root access to the nodes on which the DLM Engine will be installed.
  • Before you install DLM, make sure to verify that the registered on-premise HDP cluster can access the cloud storage.
  • Ensure to have one of the following external databases installed: MySQL or PostgresSQL.
  • Install or upgrade to the supported version of Ambari.
  • Install or upgrade to the supported versions of HDP on your cluster using Ambari.
  • YARN:

DLM runs the replication jobs using YARN. For on-premise to cloud replication, the replication job runs on the source cluster. Make sure YARN is installed on the cluster where the replication job runs.