[patches11]

It would be interesting to know what other solutions exist in this space and why they weren’t chosen.

I know of at least one, GeoMesa, which seems like it could at least provide the building blocks to achieve what they are trying to do.

[joe_the_user]

There's a long of study on the subject (that I've only surveyed). See my comment https://news.ycombinator.com/item?id=39792884