🐱 Tomcat vs ⚡ Netty – Which One Should You Use? So recently I got curious about this too 🤔. Everywhere in Spring Boot tutorials we see Tomcat . Then suddenly while exploring Spring WebFlux , the name Netty pops up. And I was like – “Wait, who’s this Netty guy trying to replace Tomcat?” 😅 Let’s break it down with real-time examples , icons , and fun comparisons . 🐱 Tomcat – The Traditional Web Server Type: Servlet Container (blocking I/O) World: Used with Spring MVC Style: Thread-per-request model 👩💻 Pros: Stable, widely used, battle-tested Cons: Struggles with huge concurrent connections 👉 Example in real life: Tomcat is like a restaurant with fixed waiters 🍴. - Each customer = one thread/waiter - If too many customers come in at once → waiters run out → customers wait outside 🚪 ⚡ Netty – The Reactive Rockstar Type: Asynchronous Event-Driven Network Framework World: Default for Spring WebFlux Style: Event-lo...
🚀 Spring Batch – Beginner’s Guide with Real-Time Example Ever wondered how large amounts of data are processed in batches, like a boss? 😎 Welcome to Spring Batch – your friend when you need reliable, fast, and scalable batch processing in Java! 1️⃣ What is Spring Batch? 🤔 A framework to process large volumes of data efficiently. Handles batch jobs, transactions, retries, skip logic, and chunk-based processing . Perfect for ETL jobs, report generation, invoice processing – basically, anything your database hates if you run it all at once 😂. 2️⃣ Important Concepts & Flow 🔄 Core Components: Job – The whole batch process (like a movie 🎬). Step – A phase of a job (like a scene in that movie). ItemReader – Reads data from source (DB, CSV, API…think Sherlock reading clues 🕵️♂️). ItemProcessor – Processes/validates data (Sherlock deduces 🔍). ItemWriter – Writes data to destination (He reports findings ✉️). Flow: Cont...