@pernia no you dummy there is very little need to read from disk at all when serving AP objects, you just put the json in a file, then when faggot a requests /objects/cocksucker you just print it out at him. The EXACT same thing (plus more work) has to happen to read the json out of the db
out going federation is written just once to disk and sent out form where it is
you can literally just be clever about how you save posts you made, and the posts you are interested in reading, and you're done. no seeking no thing. webfinger can even be a static file everything can be static files if you're clever tat's how you can get AP servers written in such ridiculous ways