krishnavulchi.comMessage Queues Journey"Your task just vanished. Gone. Forever." That's the message I saw when my worker crashed while processing Task C. Tasks A and B? β Done. Task C? β Error. Task D? Never even got a chance. And the worst part? Task C was lost. No trace. No recovery. Th...Feb 8Β·3 min read
krishnavulchi.comπ π«π¨π¦ 23 ππππ¨π§ππ¬ ππ¨ 1.3 ππ’π₯π₯π’π¬πππ¨π§ππ¬: π πππππππ¬π πππππππ’π―π πππ¨π«π²(ππππ«π§π’π§π ππ«π¨π£πππ)(Or: How I learned to stop worrying and love the Query Plan) I built a URL Shortener. It was simple. It was elegant. It worked perfectly on my laptop with 50 rows of data. Then, I loaded 100,000 rows of historical data to simulate a real production e...Dec 23, 2025Β·4 min read
krishnavulchi.comReal-Time Chat Application FeaturesCore Features π¬ Real-time messaging using Socket.IO π₯ Multi-user chat rooms π User authentication with persistent sessions π Room creation and management π± Responsive design using Material-UI Technical Features π Automatic reconnection ...May 27, 2025Β·2 min read
krishnavulchi.comBuilding a Cinema Seat Booking App β More Than Just Clicks and Colors!If you think UI is βjust some buttons and colors,β I invite you to try building a Cinema Seat Booking App.Yes, this one's for you, dear backend friends, who say βHow hard can the frontend be?β π This project isnβt just a pixel-perfect copy of a movi...May 25, 2025Β·4 min read
krishnavulchi.comDesigning a Scalable Notification System using Node.js and AWSIn today's cloud-native landscape, building a reliable and scalable notification system is a common challenge across enterprise applications. Whether you're sending alerts, reminders, or updates, you need a system that ensures delivery, handles failu...May 24, 2025Β·3 min read
