SSL (Secure Sockets Layer) is a standard security technology for establishing an encrypted link between a web server and a browser. This link ensures that all data passed between the web server…
Category: DevOps
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Istio and Service Discovery in K8s
Service discovery in Kubernetes is a mechanism that allows applications and services to find each other and communicate within the Kubernetes cluster. It operates primarily through two main components: Services and DNS….
Terraform Interview Questions_2023
Terraform is an open-source infrastructure as code (IaC) tool created by HashiCorp. It allows users to define and provision data center infrastructure using a declarative configuration language known as HashiCorp Configuration Language…
Data Placement Strategies in Distributed System
In distributed systems, data placement is crucial for balancing load, optimizing performance, and ensuring fault tolerance. Besides consistent hashing, which is widely used for its uniformity and minimal reshuffling of data upon…
Models to Manage and Coordinate Components
In a distributed system, there are different architectural models used to manage and coordinate the multiple components that form the system. Here, we’ll discuss three common models: Clustering Management, Peer-to-Peer (P2P), and…
Make Each Payment Unique
Making online payments unique and idempotent is crucial to ensure that each transaction is processed only once and to prevent duplicate charges. Here are some strategies to achieve this: By combining these…
Race Condition
A race condition is a type of computing problem that occurs in software when two or more processes access shared data at the same time and at least one of them modifies…
System Design – Designing a “Like” Button
Designing a “Like” button system capable of handling a high volume of likes (increment operations) from individual users, while ensuring thread safety and real-time updates, requires a robust and scalable architecture. Let’s…
Compare Kafka with RabbitMQ
Apache Kafka and RabbitMQ are both popular message brokers, but they have different architectures and are designed for different use cases. Here are some key differences: 1. **Architecture**: – **Kafka**: Designed as…
Understand Transaction in Database
In computing, a transaction typically refers to a group of operations that are executed as a single unit. The concept is widely used in database management systems and other applications where data…