Process & Analyze MongoDB Data in Databricks (AWS)



Use CData, AWS, and Databricks to perform data engineering and data science on live MongoDB Data.

Databricks is a cloud-based service that provides data processing capabilities through Apache Spark. When paired with the CData JDBC Driver, customers can use Databricks to perform data engineering and data science on live MongoDB data. This article walks through hosting the CData JDBC Driver in AWS, as well as connecting to and processing live MongoDB data in Databricks.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live MongoDB data. When you issue complex SQL queries to MongoDB, the driver pushes supported SQL operations, like filters and aggregations, directly to MongoDB and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations). Its built-in dynamic metadata querying allows you to work with and analyze MongoDB data using native data types.

About MongoDB Data Integration

Accessing and integrating live data from MongoDB has never been easier with CData. Customers rely on CData connectivity to:

MongoDB's flexibility means that it can be used as a transactional, operational, or analytical database. That means CData customers use our solutions to integrate their business data with MongoDB or integrate their MongoDB data with their data warehouse (or both). Customers also leverage our live connectivity options to analyze and report on MongoDB directly from their preferred tools, like Power BI and Tableau.

For more details on MongoDB use case and how CData enhances your MongoDB experience, check out our blog post: The Top 10 Real-World MongoDB Use Cases You Should Know in 2024.


Getting Started


Install the CData JDBC Driver in Databricks

To work with live MongoDB data in Databricks, install the driver on your Databricks cluster.

  1. Navigate to your Databricks administration screen and select the target cluster.
  2. On the Libraries tab, click "Install New."
  3. Select "Upload" as the Library Source and "Jar" as the Library Type.
  4. Upload the JDBC JAR file (cdata.jdbc.mongodb.jar) from the installation location (typically C:\Program Files\CData[product_name]\lib).

Access MongoDB Data in your Notebook: Python

With the JAR file installed, we are ready to work with live MongoDB data in Databricks. Start by creating a new notebook in your workspace. Name the notebook, select Python as the language (though Scala is available as well), and choose the cluster where you installed the JDBC driver. When the notebook launches, we can configure the connection, query MongoDB, and create a basic report.

Configure the Connection to MongoDB

Connect to MongoDB by referencing the JDBC Driver class and constructing a connection string to use in the JDBC URL. Additionally, you will need to set the RTK property in the JDBC URL (unless you are using a Beta driver). You can view the licensing file included in the installation for information on how to set this property.

Step 1: Connection Information

driver = "cdata.jdbc.mongodb.MongoDBDriver"
url = "jdbc:mongodb:RTK=5246...;Server=MyServer;Port=27017;Database=test;User=test;Password=Password;"

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the MongoDB JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.mongodb.jar

Fill in the connection properties and copy the connection string to the clipboard.

Set the Server, Database, User, and Password connection properties to connect to MongoDB. To access MongoDB collections as tables you can use automatic schema discovery or write your own schema definitions. Schemas are defined in .rsd files, which have a simple format. You can also execute free-form queries that are not tied to the schema.

Load MongoDB Data

Once you configure the connection, you can load MongoDB data as a dataframe using the CData JDBC Driver and the connection information.

Step 2: Reading the data

remote_table = spark.read.format ( "jdbc" ) \
	.option ( "driver" , driver) \
	.option ( "url" , url) \
	.option ( "dbtable" , "restaurants") \
	.load ()

Display MongoDB Data

Check the loaded MongoDB data by calling the display function.

Step 3: Checking the result

display (remote_table.select ("borough"))

Analyze MongoDB Data in Databricks

If you want to process data with Databricks SparkSQL, register the loaded data as a Temp View.

Step 4: Create a view or table

remote_table.createOrReplaceTempView ( "SAMPLE_VIEW" )

With the Temp View created, you can use SparkSQL to retrieve the MongoDB data for reporting, visualization, and analysis.

% sql

SELECT borough, cuisine FROM SAMPLE_VIEW ORDER BY cuisine DESC LIMIT 5

The data from MongoDB is only available in the target notebook. If you want to use it with other users, save it as a table.

remote_table.write.format ( "parquet" ) .saveAsTable ( "SAMPLE_TABLE" )

Download a free, 30-day trial of the CData JDBC Driver for MongoDB and start working with your live MongoDB data in Databricks. Reach out to our Support Team if you have any questions.

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