The classic planner architecture guide states the default yielding behavior is to yield every 10ms or 1000 iterations. However the current defaults only rely on the 10ms condition: https://github.com/10gen/mongo/blob/32dcf8131862ab62a16c197edaabad7d6896bd80/src/mongo/db/query/query_knobs.idl#L543-L549

I'm also curious about our plan to keep the architecture guide in sync with the code. Maybe we could link to the query_knobs file directly. Or we could use AI in code reviews, and have it ask us to update the readme if it has high confidence a change is necessary