Why Your Backups Are Too Big: A Practical Guide to Content-Defined Chunking

By Gilles Chehade You change one line in a large file. Your “incremental” backup re-uploads the whole thing anyway. Nine times out of ten, it’s not the network, and it’s not your storage backend. It’s the algorithm deciding where to cut your data into pieces. Every deduplication system works the same way: split data into pieces, hash each piece,...