Hacker News new | ask | show | jobs
by int_19h 2686 days ago
It doesn't matter in this case - all that matters is that they share the same data store, regardless of how concurrent access to it is organized. The problem here isn't concurrency, but the semantics of data stored - if one app can change it such that the other app can later retrieve data that it considers invalid according to its business constraints, what is the other app supposed to do?