>> Has any body used a function of the file contents as the key before? Good >> idea/bad idea? > > The FotoBilder software (powers PicPix.com and LiveJournal's ScrapBook > service) uses this concept. Although it doesn't use the hash as the
We're doing the same thing at Picnik. It actually works great since we often need to make cheap copies -- it basically gives us hard links. Cleanup is handled as separate process that walks the files looking for things that aren't referenced. --Justin
