Posts tagged "reliability"

A system-boundary model showing why useful AI products still depend on identity, freshness, permissions, schemas, replay, and observable data flows.

When an agent calls a tool, it stops and waits. If the tool is slow, the whole turn is slow, and the user waits with it. The fix is small: put a deadline on every tool call.

When you sync two systems with webhooks, the copy slowly becomes wrong: some events are lost, some are duplicated, some arrive in the wrong order. Reconciliation is the way to make the two systems agree again. Here is how to design an API for it.

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.