Deploy times doubled

[nathanmartin]

@mjgs I wasn’t referring to any specific diff operator, simply the concept.

Netlify’s system generates a SHA for each file and compares them with what already exists on the CDN.

It’s mentioned here:

Skipping CDN file diff

File-diffing cannot be skipped. It’s one of the primitives of how Netlify works. We check our CDN or the SHA of all your files. For any of the SHAs that are already present on Netlify, we don’t upload that file. So, this goes without saying, higher the number of files, the more time it will take for diffing as we need to then compare the SHA of each of those files to detect which file we actually need to upload and which already exists on the CDN. No, we upload the files as they are, and appl…