Author Archives: paulsofts

Monitoring Microservices with Prometheus and Grafana

By | June 29, 2025

Monitoring microservices means tracking the health, performance, and behavior of your services to ensure they run efficiently and reliably. It’s essential for both microservices and standalone applications, because a failure in one service can impact others, and debugging such issues can be time-consuming—ultimately leading to business losses. In this tutorial, you’ll learn how to monitor… Read More »

How to fix | Remove this commented out code in SonarQube

By | June 16, 2025

What is SonarQube? SonarQube is an open-source platform used for static code analysis and checks for the code quality in an software applications. It helps to identify the bugs, code smells, Security vulnerabilities and technical debt in software development lifecycle. It supports multiple programming languages and easily integrates with the CI/CD tools and pipeline and… Read More »

What is the difference between web server and application server?

By | June 21, 2025

Web server vs application server 1: What is Web Server? When we have an application program that has static contents such as texts, images, audio, and video files, etc. Say, an HTML page (HTML, CSS, JS), we need an execution engine that would be able to execute the static contents called a web server. Example:… Read More »

Spring Boot interview questions for 5 years experience

By | November 1, 2024

1. Why Spring Boot over Spring framework? Spring vs Spring Boot The Spring Boot framework is built on top of the Spring framework, and it is used for a rapid production-ready environment that enables the developers to directly focus on the business logic instead of struggling with the configuration and setup; those will be automatically… Read More »

What is Circuit Breaker Pattern in Microservices?

By | January 27, 2025

The Circuit Breaker pattern is a microservices design pattern that is used to protect the microservices architecture from cascading failures to enhance the resiliency and fault tolerance in a distributed system. What is Cascading Failure? Cascading failure is a type of failure in which one part of the system fails; it leads to failure of… Read More »

Apache Kafka Tutorial | What is Kafka?

By | February 5, 2025

What is Apache Kafka? Apache Kafka is an open-source distributed event streaming platform that is designed for high-throughput, fault-tolerant, and scalable real-time data streaming and processing. In other words, it is like a communication system that helps different parts of computer systems exchange data and information using the publish-subscribe model. In the above picture, we… Read More »