TimeSeries Databases (Why Need It, What Makes One, Existing Solutions)
abhishekkr.github.io
abhishekkr.github.io
I would add Datomic to that list. A few months ago I was also hacking on an immutable, time series database of sorts https://github.com/raspasov/neversleep .
But I agree, Datomic shall make the list... I'll update it.
I'll checkout neversleep, is it stable for Dev spikes.