This article is originally published at https://www.learncsdesign.com The API has become the coolest way to expose business functionality to the outside world. Without an API, a business would be like a computer without an internet connection. Photos from Instagram can be shared on Facebook, locations can be shared via WhatsApp…

This article is originally published at https://www.learncsdesign.com The JSON format is a popular way to share data online. It stands for JavaScript Object Notation. JSON syntax is based on JavaScript, but you don’t need to know JavaScript to use it. …

This article is originally published at https://www.learncsdesign.com Software development and release require speed and agility. Branching and merging code can quickly become complicated when a large team of developers is working simultaneously. To implement multiple changes simultaneously, teams need a process in place. Having an efficient branching strategy becomes a…

This is the 8th post in a series on System Design. This article is originally published at https://www.learncsdesign.com Any failure that can happen will eventually happen as you scale out your applications. Failures of hardware, software crashes, memory leaks, etc. You will experience more failures if you have more components. …

This is the 7th post in a series on System Design. This article is originally published at https://www.learncsdesign.com Eventual consistent databases allow data sets to be partitioned and replicated across multiple machines, as discussed in our previous post. Scalability is achieved at the expense of maintaining strong data consistency across…

This is the 6th post in a series on System Design. This article is originally published at https://www.learncsdesign.com The emergence of distributed, NoSQL databases has increased the importance of eventual consistency. It was not a problem when systems had a single source of truth for all data in the database…

This is the 5th post in a series on System Design. This article is originally published at https://www.learncsdesign.com The faster you can extract insights and knowledge from your data, the more quickly your systems can respond to the changing state of the world they observe. Event-Driven Architectures An event indicates that something…

This is the 4th post in a series on System Design. This article is originally published at https://www.learncsdesign.com Nearly 3% of infrastructure at Twitter is dedicated to application-level caching Link In an application, caches can be found in many places. …

This is the 3rd post in a series on System Design. This article is originally published at https://www.learncsdesign.com Multiple independent pieces of code execute simultaneously on multiple processing nodes, across multiple locations, in a distributed system. We can increase our processing capacity locally and system-wide by explicitly writing our software…