Storage
MongoDB 5.0 is end of life as of October 2024. This version of the documentation is no longer
supported. To upgrade your 5.0 deployment, see the MongoDB 6.0 upgrade procedures.
The storage engine is the primary component of MongoDB responsible for managing data. MongoDB provides a variety of storage engines, allowing you to choose one most suited to your application.
The journal is a log that helps the database recover in the event of a hard shutdown. There are several configurable options that allows the journal to strike a balance between performance and reliability that works for your particular use case.
GridFS for Self-Managed Deployments is a versatile storage system that is suited to handling large files, such as those exceeding the 16 MB document size limit.