13. Azure Databricks Platform Architecture

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Questions and Answers

What is the primary function of the Azure Databricks control plane?

To facilitate direct access to cloud resources
To serve as the user interface for the application
To provide data storage for notebooks and jobs
To host the serverless application and manage configurations (correct)

Which of the following components is NOT part of the Databricks workspace's architecture?

Clusters menu
Local file storage (correct)
Databricks web application
Workflows menu

How can users access the Databricks web application?

Via a specific URL using a web browser. (correct)
Using a desktop application downloaded from Azure.
Through a command-line interface.
Through a remote desktop connection.

Which items can be created within the Databricks workspace?

Notebooks (A) Signup and view all the answers

What type of jobs can be configured within the Databricks workspace?

Batch processing jobs (B) Signup and view all the answers

What allows users to create and manage clusters in Databricks?

Cluster menu (B) Signup and view all the answers

In which part of the architecture do configurations for various job types get stored?

Databricks control plane (C) Signup and view all the answers

What is a key characteristic of the Databricks Workspace?

It is a serverless application in the Azure cloud. (A) Signup and view all the answers

What is the primary purpose of the control plane in Databricks?

To manage configuration data and facilitate user access (A) Signup and view all the answers

How do users typically access the functionalities of the control plane?

Using the Databricks Web UI or REST APIs (D) Signup and view all the answers

Which component of the Databricks architecture does the customer retain control over?

Virtual machines created for clusters (A) Signup and view all the answers

What is the default storage layer created in Azure when a Databricks workspace is established?

Workspace Root Storage (Dbfs) (C) Signup and view all the answers

What is the best practice for data storage in a Databricks environment?

Creating a separate storage account for data management (D) Signup and view all the answers

What type of application is Databricks categorized as?

Serverless application (C) Signup and view all the answers

Why might accessing the root storage directly from an Azure account be problematic?

Access to the root storage is heavily secured by the Databricks workspace (D) Signup and view all the answers

Which service provides credential verification for accessing the Databricks control plane?

Single sign-on (A) Signup and view all the answers

Where does the data plane exist in the Databricks architecture?

In the customer's Azure subscription (A) Signup and view all the answers

What is not a feature of the Databricks workspace?

Direct backend access to the control plane (B) Signup and view all the answers

What defines a user's access to the control plane functionalities?

Provision of adequate permissions through the Databricks workspace (D) Signup and view all the answers

Which elements are part of the data plane in Databricks?

Clusters and data storage layers (B) Signup and view all the answers

What is the main difference between the control plane and data plane in Databricks?

Control plane is virtualized management, while data plane is user-managed resources (B) Signup and view all the answers

Study Notes

Databricks Workspace Architecture

Databricks Workspace is a serverless application hosted in the Azure cloud.
The workspace is accessed through a web UI (URL).
It consists of two planes: Control Plane and Data Plane.

Control Plane

Databricks software (serverless application) resides in the Control Plane.
It includes:
- Databricks web application (accessed through the web UI)
- Notebooks created within the workspace
- Job configurations, queries, alerts
- Cluster configurations
The Control Plane is managed by Databricks and not directly accessible by users.
Users interact with the Control Plane through:
- Web UI
- REST-based APIs
- Command line tools

Data Plane

Resides within the customer's Azure subscription, implying full control and responsibility.
Includes:
- Databricks clusters (virtual machines)
- Data storage layers (e.g., Workspace root storage (DBFS) and custom data storage accounts)
Users are responsible for managing and paying for resources within the Data Plane.

Data Storage

Workspace root storage (DBFS) is the default storage layer for a Databricks workspace.
DBFS is created within the Data Plane and is secured by Databricks.
It is generally not recommended for storing large data volumes or for data ingestion.
For production environments, a separate data storage account within the Azure subscription is typically used for data ingestion and management.

Important Points

The Control Plane manages all configurations and functionalities of the Databricks workspace.
The Data Plane hosts the compute infrastructure and data storage, allowing user control and responsible for costs.

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Description

Explore the architecture of the Databricks Workspace in this quiz. Understand the components of the Control Plane and Data Plane, their interaction, and user accessibility. This quiz is essential for anyone looking to deepen their knowledge of cloud-based data analytics platforms.