Apache Kafka Connect is a framework for streaming data between Apache Kafka and other data systems. Unlike writing custom Producer or Consumer code, Connect operates as a scalable, fault-tolerant service that manages the tedious details of integration, such as parallelism, offset management, and error handling. It allows developers to focus […]
Apache Kafka: basic installation and hands-on guide
Apache Kafka is the indispensable backbone for modern data architectures, underpinning everything from microservices communication to real-time analytics. While its capabilities are vast, getting a local setup running and understanding the basic command-line interface (CLI) tools is the crucial first step. This guide will walk you through a quick installation […]
JWT authentication: securing your Angular + Spring Boot app
JSON Web Tokens (JWT) have become a popular choice for implementing secure and stateless authentication in modern web applications. This article delves into integrating JWT authentication with Angular, a powerful JavaScript framework, and Spring Boot, a robust Java backend framework. By the end, you’ll have a solid understanding of the […]
Kafka monitoring advanced, metrics and error handling
Apache Kafka is designed for resilience, but in a production environment, performance degradation and failure are inevitable without robust monitoring and a solid error-handling strategy. This guide moves past the basics, focusing on the practical tools and metrics required to keep your Kafka cluster healthy and your data streams flowing […]
Kafka Streams: KStream, KTable, Windowing, Real-Time
Apache Kafka Streams is a client-side library for building applications and microservices that process and analyze data stored in Kafka topics. It combines the simplicity of writing and deploying standard Java/Scala applications with the power of Kafka’s immutable log, enabling sophisticated stream processing with native fault tolerance and scalability. KStream […]