Nice, this is a cool version of ANN search. I like that at the end there is commentary on what's needed for production as well - things like parallelization, RA

Nice, this is a cool version of ANN search. I like that at the end there is commentary on what's needed for production as well - things like parallelization, RAM considerations, and the consideration for balancing the trees. It's really the production level considerations that would steer you toward a vector database like Milvus/Zilliz