System Design System Design of Facebook Messenger In this article, we have explained the System Design of Facebook Messenger in depth along with estimation of requirements and class diagram.
System Design Payment Gateway System Design In this article, we have explored the System Design of a scalable Payment Gateway such as PayPal and Stripe. We have presented functional, non-functional requirements, use case diagrams and much more.
System Design Top K Heavy Hitters System Design In This article, we will learn and explore about the System Design of Top K Heavy Hitters. This feature is used to get Top K elements in a set of elements and is frequently used in real systems. Several different approaches exist.
System Design System Design for Parking lot In this article, we have explained the System Design for Parking Lot in depth presenting the system requirements, technology stack, estimation of requirements, UML Class diagrams and much more.
System Design System design of distributed cache In this article, we will learn and explore about the topic of System Design of distributed cache. Distributed Cache is the core sub-system to make any system scalable.
System Design Dependency inversion principle In this article, we have explored the concept of Dependency inversion principle in Code Design and explained the concept with an example of Payment System.
System Design System Design of StackOverflow In this article, we have explored the System Design of StackOverflow which will one of the most widely used websites for online question and answers. The design is pretty simple which one would not expect considering its scale.
System Design Cache Stampede Cache stampede problem is a situation that occurs when a cache item expires or is deleted leading to multiple requests seeing a cache miss(cache miss happens when the required data is not available in the cache memory) and regenerating that same item at the same time.
System Design Open-Closed principle In this article, we will to talk about the Open-Closed principle (OCP) and show examples with code.
System Design Liskov Substitution Principle In this article, we have explained the concept of Liskov Substitution Principle in depth with code examples and code design.
Culture How Uber got hacked? [Complete Report] In this article, we have explored how Uber got hacked using MFA and what can be done to prevent such hacking attacks in future. Any company can fall for this attack.
System Design Probnik: Netflix's innovation testing framework Netflix is technologically one of leading Software Companies in the World. They serve their customized homepage in milliseconds, no server outrage can bring Netflix down and much more. In this article, we explored Netflix's approach towards testing framework named Probnik.
System Design How Spotify went down after an outage? On March 8, 2022, Spotify faced an outage and Spotify went down for 2 hours. Let us see what happened and what concepts we can learn from this outage.
System Design What is Pub/Sub messaging? Pub/sub is a service-oriented asynchronous messaging pattern. It allows for loose coupling between applications and components. Meaning that one application can publish a message without knowing who is subscribed to that message or even if anyone is subscribed to it.
System Design 5 Future Trends of Software Testing These are a few of the trends that are likely to shape the future of software testing. From the rise of AI to the increased use of machine learning, it is clear that the future of software testing is looking very exciting.
System Design Live streaming to 25.3M concurrent viewers: Deal with traffic spike In 2019, Hotstar created a global record for live streaming to 25.3 million concurrent viewers. What all happened?
Software Engineering Snowflake Snowflake is a cloud computing based data warehousing company. It provides cloud based storage and analytics services as SaaS (Software as a Service).
System Design System Design of CRM Software CRM software can be defined as any software that aims to facilitate and/or automate business processes that occur between businesses, employees, and customers.
Software Engineering Airbnb's massive deployment technique: 125,000+ times a year Airbnb deploys its code over 125,000 times yearly. That is an average of 345 deployments per day. The question is: How does Airbnb keep up with such a demanding schedule?
System Design Apache HBase in System Design In this article, we will learn when Apache HBase might be a good choice of database for your software. Since HBase is a NoSQL database, we begin by exploring the design choice between choosing SQL or NoSQL databases for your application.
System Design Object-Oriented Database This article aims to explain the object-oriented database and its principles, contrast the object-oriented database with the relational database and provide examples of object-oriented database management systems.
System Design Who uses Apache Kafka and why? In the last few years, Apache Kafka has become one of the most popular open-source streaming platforms. From startups to large enterprises, many organizations use Kafka for its high throughput and low latency capabilities.
System Design PostgreSQL in System Design This article aims to give a brief overview of the PostgreSQL relational database management system, provide some brief comparisons to other alternatives, such as MySQL, illustrate useful features in PostgreSQL and discuss certain systems in which PostgreSQL proves more useful.
System Design System Design of Bank Management System In this article, we will take a look at the key features a bank management system needs to offer, its high-level, low-level design, database design, and some of the already existing bank management systems.
System Design Why Companies have high deployment rate? Amazon deploys every second. But why do these companies need to deploy so often? And is it really necessary?