489 * 29_000

489 * 422_000

2_000 * 9_000

that's 240MB

if we move to binary encoding (assuming that the kind 1111 stays the same, because it was a guess anyways)

we drop almost 100MB: 150MB

but, for simple likes like what are returned by twitter's ui, you can run a COUNT query, which returns like 1 kb :) run one for likes, one for quotes, 2kb, then the 9k comments fit neatly in 18MB