Storage

The storage engine is the primarycomponent of MongoDB responsible for managing data. MongoDB provides avariety of storage engines, allowing you to choose one most suited toyour application.

The journal is a log that helps the database recover in theevent of a hard shutdown. There are several configurable options thatallows the journal to strike a balance between performance andreliability that works for your particular use case.

GridFS is a versatile storage system that is suited tohandling large files, such as those exceeding the 16 MB document sizelimit.