alt Hacker News> for example... don't commit DB transactions, send out emails or post transactions onto a blockchain until you know everything went through. Exceptions mean rollback, a lot of the time.
But what if you need to send emails AND record it in a DB?
> for example... don't commit DB transactions, send out emails or post transactions onto a blockchain until you know everything went through. Exceptions mean rollback, a lot of the time.
But what if you need to send emails AND record it in a DB?
I had the same question, actually; it is very common to perform multiple point-of-no-return IO in a workflow, so deferring all IO into a specific spot does not, in practice, bring any advantages.