![]() We'll learn how to set it up and use it to store files, retrieve files or a particular file, and delete a particular file. We will completely focus on segments of the code that relate to the functionalities of GridFS. You can find the code repository for the sample application here. We are using Node.js with access to a cloud instance of MongoDB for our setup. Time to dip our feet into some working code and see how to implement a system as such. This summarizes how GridFS works in general. For smaller files, it is recommended to use the BinData format to store the files in single documents. Note: It is preferred to use GridFS for storing files normally exceeding the 16 MB size limit. Such as listening to a segment of an audio file or fetching a section of a video file. ![]() This means that you can read sections of a file as per your query range. When you read from GridFS, the driver reassembles all the chunks as needed. This means that the last chunk is normally either equal to or less than 255 KB. the file collection (stores the consequent additional metadata).Įach chunk is limited to 255 KB in size.the chunk collection (stores the document parts), and.GridFS basically takes a file and breaks it up into multiple chunks which are stored as individual documents in two collections: GridFS allows you to store and retrieve files, which includes ones exceeding the BSON-document size limit of 16 MB. MongoDB has a driver specification to upload and retrieve files from it called GridFS. Probably not the best way to go about implementing a file storage system GridFS - A Layman's Understanding That is where GridFS came into the picture for me. However, the concept of storing files directly into a database through a single API call had intrigued me for quite some time. The existence of processes like Content Delivery Networks (CDNs), set up through third-party cloud options like Amazon Web Services, and local file storage options have always made it easier to build such a feature. File storage is an important feature required in multiple processes across various types of applications.
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