@scottalanmiller is correct, those numbers are produced on the fly based on active websocket sessions, and not stored anywhere. However, you might be interested in https://github.com/barisusakli/nodebb-plugin-browsing-users, which brings a live-list of current users in-topic back to topic.tpl

what is the value of uid

Can you provide nodebb git revision and database type.

Then, I opened my thread in the good topic. I would request that feature.

@vatsal There are upvote and downvote plugins, I'm not sure if they may work better? Although I suppose "don't fix what ain't broke" now