Arvind Kumar·Aug 15I’m Building Codefarm Around One Simple Idea: Engineers Should Learn by Connecting the DotsFor years, I kept seeing the same problem with software engineering education.A response icon2A response icon2
Arvind Kumar·Feb 1Why Modern Systems Inevitably Move to Kafka — Day 0A Practical Architecture Story from REST to Real-Time Streaming
InJavarevisitedbyArvind Kumar·Jan 28Slow Consumers and Traffic SpikesA Real Interview Deep Dive into Lag, Backpressure, and Designing for Asymmetric Speed
Arvind Kumar·Jan 27Multi-Region Disaster Recovery in KafkaA Real Interview Deep Dive into Replication, Failover, and Consumer Recovery
Arvind Kumar·Jan 24Payment Events and Duplicate ProcessingA Real Interview Deep Dive into Idempotency, Retries, and Distributed CorrectnessA response icon1A response icon1
Arvind Kumar·Jan 23Kafka Consumer Concurrency Demystified: Partitions, Consumer Groups, and Spring Boot…One of the most misunderstood aspects of Kafka consumption — especially when using Spring Boot — is consumer concurrency. Questions like…
Arvind Kumar·Jan 20E-Commerce Checkout using Kafka: Architecture OverviewWelcome to the final day where we implement full full-fledged event driven project
Arvind Kumar·Jan 20Partitioning Strategy Mistakes — and Why “Just Increase Partitions” Is Rarely the First FixMost Kafka scaling problems don’t start with throughput limits — they start with someone confidently saying, “Let’s just increase the…
Arvind Kumar·Jan 19Designing a User Activity Tracking System at Massive ScaleHow Kafka Becomes the Right Choice — A Real Interview Deep DiveA response icon1A response icon1
Arvind Kumar·Jan 3Day 11: Kafka Streams Fundamentals- Day 1Welcome to Stream Processing!A response icon2A response icon2