>Applications also commonly store their internal state in Barbara - writing dataclasses straight in and out with only very simple locking and transactions (if any).

Right out of the gates, it's crazy how this contrasts with Mercury's Haskell infra

https://blog.haskell.org/a-couple-million-lines-of-haskell/

It sounds pretty similar actually. Barbara fills the same role that Temporal is doing at Mercury.

Eh, to be fair, this post is about a _bank_, and the one you've linked is about _fintech_. They are not even close to the same space, even though they both deal with money.

But also I suppose you may be saying exactly this?