Retries are one of those things that look harmless until the first time they duplicate a real...
Retries are one of those things that look harmless until the first time they duplicate a real business operation.
A request times out, so the client retries it.
Reasonable.
But what if the first request actually reached the server?
What if the application already created the order, reserved the stock, sent the message, or called a payment provider — and only the response was lost?
Every API that sits behind an unreliable network eventually faces the same problem: a client sends a...
A payment request goes out. The network hiccups. The client never sees a response, so it does the...
Retries are normal in distributed systems. A caller may time out after the server commits a decision,...
Let me start with the confusion that prompted this post: in a recent mentoring session, a senior...
Why idempotency matters When you build an API, retries are inevitable. Clients lose...
Retries in payment and order APIs are a classic footgun. Your client times out, retries the request,...
