When you want to apply a minor tweak to the document, it must not require much time to Style payment notification. This type of basic activity does not have to demand additional training or running through handbooks to understand it. Using the appropriate document modifying instrument, you will not spend more time than is necessary for such a quick change. Use DocHub to simplify your modifying process whether you are an experienced user or if it is your first time using a web-based editor service. This tool will require minutes or so to learn to Style payment notification. The sole thing required to get more productive with editing is a DocHub account.
A simple document editor like DocHub can help you optimize the time you need to devote to document modifying irrespective of your prior knowledge about such tools. Create an account now and increase your efficiency immediately with DocHub!
Hi. And welcome to the system design interview channel. Today we design a notification service. Lets start with the problem statement. In the world of web services there are many scenarios when messages need to be sent in a reaction to some event. For example, when credit card transaction amount exceeded a limit and card holder needs to be notified. Or service monitoring system encountered a large number of faults produced by API and on-call engineer needs to be notified. In more general terms, lets say there is a component called Publisher which produces messages that need to be delivered to a group of other components, called Subscribers. We could have setup a synchronous communication between Publisher and Subscribers, when Publisher calls each Subscriber in some order and waits for the response. But this introduces many different challenges: hard to scale such system when number of subscribers and messages grow and hard to extend such solution to support different types of subsc