Friday, January 8, 2010

Replace Amazon S3 with MongoDB GridFS and Grails

My recent foray into MongoDB got me thinking about using it to serve files. You can do just that with MongoDB's GridFS specification. When a file is stored in GridFS, it is represented by a metadata object and one or many chunks which store a subset of the data. Chunking the files helps with searching but could help replication and sharding presumably. Files in a GridFS store are just like any object in the database. You filter by any of the metadata properties and get chunks on demand or out of order.

Very slick use of MongoDB with Grails.

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