Enabling Spark Encryption
Before enabling encryption, you must first enable Spark authentication.
- In the Cloudera Data Platform (CDP) Management Console, go to Data Hub Clusters.
 - Find and select the cluster you want to configure.
 - Click the link for the Cloudera Manager URL.
 - Go to .
 - Search for the Enable Network Encryption property. Use the checkbox to enable encrypted communication between Spark processes belonging to the same application.
 - Search for the Enable I/O Encryption property. Use the checkbox to enabled encryption for temporary shuffle and cache files stored by Spark on local disks.
 - Enter the reason for the change at the bottom of the screen, and then click Save Changes.
 -  Re-deploy the client configurations: 
- Select
 - Select Deploy Client Configurations from the Actions drop-down selector.
 
 - Restart stale services.
 
