Posts tagged "messaging"

You save to the database and publish an event to a queue. These are two writes, and one can fail. The outbox pattern makes them one. Here is how.

Everybody wants exactly-once delivery. Over a network it is impossible. Here is why, and the trick that gives you the same result in practice.

Most explanations of queues and pub/sub start with buzzwords and skip the only question that matters: why did engineers invent these tools? This article starts from the problem, not the tool.