Hacker News Reader

Based on previous research [1], almost every part of a DB is in the hot path.

[1] http://15721.courses.cs.cmu.edu/spring2018/papers/02-inmemor...

I'd definitely believe that every part of query execution is in the hot path, as this paper describes. But most code in any reasonable DB system isn't part of query execution.

Reply on news.ycombinator.com