How to load data from MongoDb to AWS Datalake

Learn how to use Airbyte to synchronize your MongoDb data into AWS Datalake within minutes.

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Set up a MongoDb connector in Airbyte

Connect to MongoDb or one of 400+ pre-built or 10,000+ custom connectors through simple account authentication.

Set up AWS Datalake for your extracted MongoDb data

Select AWS Datalake where you want to import data from your MongoDb source to. You can also choose other cloud data warehouses, databases, data lakes, vector databases, or any other supported Airbyte destinations.

Configure the MongoDb to AWS Datalake in Airbyte

This includes selecting the data you want to extract - streams and columns -, the sync frequency, where in the destination you want that data to be loaded.

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How to Sync MongoDb to AWS Datalake Manually

  1. Determine the Data to Export: Decide which collections or databases you need to export from MongoDB.
  2. Choose the Export Format: MongoDB’s mongodump utility can export data in BSON format, which is MongoDB’s binary format. However, for a data lake, you might want to convert the data into JSON or CSV for better compatibility.
  3. Use mongodump to Export Data:
    mongodump --db your_database --collection your_collection --out /path/to/export/directory
  4. Convert BSON to JSON (if Needed):
    bsondump --outFile=/path/to/export/directory/your_collection.json /path/to/export/directory/your_database/your_collection.bson
  5. (Optional) Convert JSON to CSV:
    If your data processing or analytics tools require CSV, you can write a script or use a command-line JSON processor like jq to convert the JSON file to CSV.
  1. Set Up AWS CLI: Install and configure the AWS Command Line Interface (CLI) with the necessary permissions to access S3.
    aws configure
  2. Create an S3 Bucket: If you don’t already have an S3 bucket for your data lake, create one using the AWS Management Console or AWS CLI:
    aws s3 mb s3://your-datalake-bucket-name
  1. Compress the Data (optional, but recommended to save space and transfer time):
    tar -czvf your_data.tar.gz /path/to/export/directory/
  2. Upload Data to S3:
    aws s3 cp your_data.tar.gz s3://your-datalake-bucket-name/path/to/store/
    or if you have multiple files and want to upload a directory:
    aws s3 sync /path/to/export/directory/ s3://your-datalake-bucket-name/path/to/store/
  1. Catalog Data: Use AWS Glue or another data catalog tool to discover, prepare, and combine your data so it’s ready for analysis.
  2. Create a Database: Use AWS Glue or Amazon Athena to create a database that references the S3 data location.
  3. Define Table Schema: Define the schema that corresponds to your data format (JSON, CSV, etc.).
  4. Data Transformation: If necessary, use AWS Glue or a similar service to transform the data into a format that is optimized for analytics (e.g., Parquet).
  1. Query Data: Use Amazon Athena, Amazon Redshift Spectrum, or another querying tool to run SQL queries directly against your data in S3.
  2. Integrate with Analytics Tools: Connect your AWS Data Lake with analytics and BI tools to visualize and analyze your data.
  1. Write Automation Scripts: Write scripts to automate the export from MongoDB and the upload to S3.
  2. Schedule Regular Updates: Use cron jobs on Linux or Task Scheduler on Windows to schedule your scripts to run at regular intervals.
  3. Monitor Transfers: Set up monitoring and alerts to track the success or failure of the data transfer jobs.

  1. Data Encryption: Ensure data is encrypted in transit (using SSL/TLS) and at rest (using S3 server-side encryption).
  2. Access Control: Use IAM roles and policies to control access to the S3 bucket and data.
  3. Compliance: Ensure your data transfer and storage process complies with relevant data protection laws and regulations.

Remove Temporary Files: After the data is successfully transferred and verified, you can remove any temporary files from your local system and EC2 instances (if used).

  1. Document the Process: Write detailed documentation of the entire process for future reference and onboarding.
  2. Maintain and Update: Regularly review and update the scripts, AWS configurations, and security measures.

How to Sync MongoDb to AWS Datalake Manually - Method 2:

FAQs

ETL, an acronym for Extract, Transform, Load, is a vital data integration process. It involves extracting data from diverse sources, transforming it into a usable format, and loading it into a database, data warehouse or data lake. This process enables meaningful data analysis, enhancing business intelligence.

MongoDB is a popular open-source NoSQL database that stores data in a flexible, document-based format. It is designed to handle large volumes of unstructured data and is highly scalable, making it a popular choice for modern web applications. MongoDB uses a JSON-like format to store data, which allows for easy integration with web applications and APIs. It also supports dynamic queries, indexing, and aggregation, making it a powerful tool for data analysis. MongoDB is widely used in industries such as finance, healthcare, and e-commerce, and is known for its ease of use and flexibility.

MongoDB gives access to a wide range of data types, including:

1. Documents: MongoDB stores data in the form of documents, which are similar to JSON objects. Each document contains a set of key-value pairs that represent the data.
2. Collections: A collection is a group of related documents that are stored together in MongoDB. Collections can be thought of as tables in a relational database.
3. Indexes: MongoDB supports various types of indexes, including single-field, compound, and geospatial indexes. Indexes are used to improve query performance.
4. GridFS: MongoDB's GridFS is a specification for storing and retrieving large files, such as images and videos, in MongoDB.
5. Aggregation: MongoDB's aggregation framework provides a way to perform complex data analysis operations, such as grouping, filtering, and sorting, on large datasets.
6. Transactions: MongoDB supports multi-document transactions, which allow multiple operations to be performed atomically.
7. Change streams: MongoDB's change streams provide a way to monitor changes to data in real-time, allowing applications to react to changes as they occur.

Overall, MongoDB provides access to a flexible and powerful data model that can handle a wide range of data types and use cases.

This can be done by building a data pipeline manually, usually a Python script (you can leverage a tool as Apache Airflow for this). This process can take more than a full week of development. Or it can be done in minutes on Airbyte in three easy steps: 
1. Set up MongoDB to AWS Datalake as a source connector (using Auth, or usually an API key)
2. Choose a destination (more than 50 available destination databases, data warehouses or lakes) to sync data too and set it up as a destination connector
3. Define which data you want to transfer from MongoDB to AWS Datalake and how frequently
You can choose to self-host the pipeline using Airbyte Open Source or have it managed for you with Airbyte Cloud. 

ELT, standing for Extract, Load, Transform, is a modern take on the traditional ETL data integration process. In ELT, data is first extracted from various sources, loaded directly into a data warehouse, and then transformed. This approach enhances data processing speed, analytical flexibility and autonomy.

ETL and ELT are critical data integration strategies with key differences. ETL (Extract, Transform, Load) transforms data before loading, ideal for structured data. In contrast, ELT (Extract, Load, Transform) loads data before transformation, perfect for processing large, diverse data sets in modern data warehouses. ELT is becoming the new standard as it offers a lot more flexibility and autonomy to data analysts.

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