The word “interview” is frequently associated with anxiety and discomfort. However, with the help of this post, you will get all the necessary materials to help you ace your next coding interview. Here’s the list of 5 GitHub repositories that can speed up your interview preparation. 1. Coding Interview University This is my multi-month…

In the distributed environment it is ubiquitous for a server/system to make remote calls to many processes running on different machines over the network. And when there are calls over the network, there is a very high chance that calls to remote resources or services might fail and this failure…

The prerequisite for learning the Instagram architecture design is, how to design a URL Shortener Service like a tiny URL. Please read it here… 1. What is Instagram? Instagram is a free photo & video-sharing and social networking service that is very popular. In this tutorial, we will learn to design a simple architecture…

“System Design” or “System Architecture” is a very popular term when it comes to job interviews at Big tech companies like Facebook, Google, Netflix, etc. and some people do find it intimidating. But not anymore. …

DNS(Domain Name System) is a decentralized naming system that converts domain names(such as intmain.co) to its corresponding IP addresses. Each device connected to the internet has a unique IP address, which is a 32-bit number for example 152.52.0.1(in IPv4), and remembering such an IP address is almost impossible. The solution…

Before discussing the difference between Eventual & Strong Consistency, let us first understand consistency in distributed systems. A consistent distributed systems are those in which all nodes see the same data at the same time. In other words, if we perform read operations after multiple write operations then a consistent…

Let’s say we are designing a social networking app and call it IntMainBook and we will try to make is fast using cache first policy and Redux state management tool. IntMainBook will work by automatically pushing data to the users/client device, instead of waiting for a client to explicitly request…

Database sharding is a process of breaking up large tables into multiple smaller tables, or chunks called shards, and distributing data across multiple machines or clusters. …