Message queues and pub/sub for system design interviews, explained Somewhere in almost every system design interview you reach a step that should not block the user: send the email, transcode the video, update the search index, settle the payment. The instant you say "we'll do that asynchronousl...
Source: [Dev.to](https://dev.to/gowthampotureddi/message-queues-and-pubsub-for-system-design-interviews-explained-3m5h)