- How to Reconfigure MongoDB Database Clusters
- How do I fix the "Connection Timed Out" error when connecting to my database?
- How do I fix the "Connection Refused" error when connecting to my database?
- How to Connect to MongoDB Database Clusters
- How do I fix the "Invalid Parameters and Values" error when connecting to my database?
- How to Manually Restore MongoDB Database Clusters from Backups
- How to Secure MongoDB Managed Database Clusters
- How to Manage MongoDB Users and Databases in a Database Cluster
- How to Import and Export MongoDB Data
- MongoDB Quickstart
MongoDB
Generated on 10 Jun 2026
MongoDB is a source-available cross-platform document-oriented database program for high-volume storage. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas.
Getting Started
Quickstarts and intermediate tutorials to get started.
How-Tos
Get started with MongoDB managed database clusters by learning how to modify users and databases, how to improve performance and high availability, and how to migrate data.
Reference
Native and third-party tools, troubleshooting, and answers to frequently asked questions.
Concepts
Explanations and definitions of core concepts in MongoDB.
Details
Features, plans and pricing, availability, limits, known issues, and more.
Support
Get help with technical support and answers to frequently asked questions.
Latest Updates
17 September 2025
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Now in public preview, you can now enable storage autoscaling on all Managed Database engines. To enable autoscaling, see our resizing guides for MySQL, PostgreSQL, MongoDB, OpenSearch, and Kafka.
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Storage autoscaling is now in general availability. Additionally, you can now reduce your cluster’s amount of additional storage, as long as the new storage size is greater than or equal to the latest backup’s size plus any data growth since then and a 25% buffer.
27 August 2025
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Now in public preview, you can now enable storage autoscaling on your Managed MongoDB cluster. To enable autoscaling, see How to Resize MongoDB Database Clusters.
16 May 2025
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New managed database clusters are now automatically provisioned with default alert policies for CPU, memory, and disk utilization at a 90% threshold. These alerts notify you via email when resource usage is high, so you can investigate your application load or scale your cluster. You can modify or remove the default alerts at any time. For more information, see the following:
For more information, see all MongoDB release notes.