Tag
#async
2 articles: Note.
Synchronous or Asynchronous? The Line Between HTTP and the Queue
Should a job run inside the HTTP request or go to a queue? The decision line, drawn through response time, fault tolerance, and consistency
Idempotency: When the Same Message Arrives Twice
At-least-once delivery means a handler will see the same message twice. The idempotency key, where it comes from, and the dedupe that survives a crash