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It's a pretty common optimization. They had a good plan, and executed well, but let's not get carried away; other people were working on similar ideas. I'd bet
by jwhitlark 16y ago
It's a pretty common optimization. They had a good plan, and executed well, but let's not get carried away; other people were working on similar ideas. I'd bet that data stored in s3 are deduplicated in a similar manner.
Another plus to their setup is the hash for the file is calculated on your machine, so you pay them so you can calculate the hash on your own files and only upload them if they haven't seen them before.
- marcamillion 16y agoI am sure other people were working on similar things, but how many of them were able to execute on them as well as Dropbox has? Google has supposedly implemented something like that for Gmail Attachments, but Dropbox seems to have the complete package.