DAS: Core Concepts
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DAS Architecture

DAS cluster agent comprises of the DAS Webapp and a DAS Event Processor. These components are installed on the Ambari cluster to use with DAS. Additionally, you can install the DAS-DP App within the DP environment, and it communicates with the DAS components within the cluster.

Following is a block diagram showing the various components in a typical DAS deployment:

The DAS Webapp serves the DAS UI, and it should be on a machine that is accessible to your end users, or you should have a proxy setup to access the DAS UI.