> Serialized transactions don't work fine. That's one thing Postgres itself struggles with. Your xacts will conflict and both fail, and you might even exceed qu

> Serialized transactions don't work fine. That's one thing Postgres itself struggles with. Your xacts will conflict and both fail, and you might even exceed queue limits as you retry. Of course they work fine. You’re getting hung up in optimizing for scale when you’re already way beyond solving the two threads one file issue.