There are options such as Google's ScaNN that may let you go farther before needing to consider specialized databases. https://github.com/google-research/googl

There are options such as Google's ScaNN that may let you go farther before needing to consider specialized databases. https://github.com/google-research/google-research/blob/master/scann%2FREADME.md https://github.com/google-research/google-research/blob/mast...