Cloudera Docs

Preparing to create Atlas replication policies

Before you create an Atlas replication policy, you must complete the certain prerequisite tasks.

  1. Enable the Atlas replication feature flag on the source and target cluster. For more information, contact your Cloudera account team.
  2. Ensure that the source cluster and target cluster versions are Cloudera Base on premises 7.3.2 or higher using Cloudera Manager version 7.13.2 or higher versions.
  3. Ensure that the following permissions and privileges are assigned to you to use Atlas replication policies:
    • Atlas user credentials in addition to the Replication Administrator or Full Administrator roles to create an Atlas replication policy.
    • The atlas user must have relevant read and write permissions to the staging locations.
    • Read and write permission on the /atlas/replication HDFS location.
  4. Disable Atlas service for the Hive service on the target cluster by clearing the target Cloudera Manager > Clusters > Hive service > Configuration > atlas_service property.
    Ensure that you Save Changes, restart the Hive service, and re-deploy the client configuration.
  5. Optional: Configure the following as line-separated key-value pairs for the Cloudera Manager > Clusters > Atlas service > Configuration > Atlas Server Advanced Configuration Snippet (Safety Valve) for conf/atlas-application.properties property on both source and target Cloudera Manager instances to optimize the Atlas replication jobs.
    Key-value pair Description
    atlas.metadata.namespace=prod Updates the Atlas Namespace to prod. The default value is cm.
    updateTypeDefinition=true Updates the type definition behavior. By default, the value is true.
    atlas.replication.staging.retention.count=5 Updates the retention count for previous Atlas replication job run’s export output files. The default value is 5.
  6. Perform the following steps for a non-kerberised source or target cluster on the Cloudera Manager > Clusters > Atlas service > Configuration page.
    1. Ensure that Enable File Authentication is selected.
    2. Enter the Admin Password.
You can create Atlas replication policies.