Huh? So they have to store the inverted index for my files on disk, rather than in RAM and so it takes 1s to return a search result, rather than 0.2. With all

Huh? So they have to store the inverted index for my files on disk, rather than in RAM and so it takes 1s to return a search result, rather than 0.2. With all the cold data they are storing, I imagine their servers have io ops to spare.