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There is a way to avoid duplicate files in mongo gridfs? Or I have to do that via application code (I am using pymongo)
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To insert records in MongoDB and avoid duplicates, use “unique:true”.
GridFS places the collections in a common bucket by prefixing each with the bucket name. By default, GridFS uses two collections with a bucket named fs : fs. files.
GridFS is a driver specification for uploading and retrieving files from MongoDB. It is a specification for storing and retrieving files larger than the 16 MB limit of BSON documents.
The MD5 sum is already part of Mongo's gridfs meta-data, so you could simply set a unique index on that column and the server will refuse to store the file. No need to compare on the client side.
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