Picture this: it’s Black Friday, millions of shoppers worldwide are frantically clicking “Add to Cart” on their favorite websites, and somewhere in the world, a massive DDoS attack is trying to bring down critical infrastructure. Yet, the internet keeps humming along smoothly. How? The answer lies in one of the...
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How Uber Finds Nearby Drivers at 1 Million Requests per Second
Picture this. You’re standing outside Select City Walk in Saket, tired after shopping, and you open the Uber app. Tap the destination, hit “Book Ride”, and boom - within 3-4 seconds, you see “Driver is 2 minutes away” with his Maruti Dzire coming towards you on the map.
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From Panic to Performance: A Guide to Grafana k6 Load Testing
From panic to performance confidence – scripting, scaling, observing, and automating load tests with k6
1. From Firefighting to Foresight
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WhatsApp's Scaling Secrets: A Deep Dive into System Design and Architecture
WhatsApp is a household name, but for software engineers, it’s a legendary tale of massive scaling with a remarkably small team. At its peak, WhatsApp supported 900 million users with just 50 engineers. How did they achieve this incredible feat? The answer lies in a series of smart, and sometimes...
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Prompt Engineering Basics for Software Developers
Prompt engineering is a critical skill for software developers working with AI models like GPT. It involves crafting effective prompts to guide AI systems in generating accurate and relevant responses. Whether you’re building features, automating tasks, or exploring AI capabilities, understanding prompt engineering can significantly enhance your results.
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Git Command Line Basics: Essential Commands for Software Developers
Git is an indispensable tool for software developers, enabling version control, collaboration, and efficient workflows. While many developers rely on GUI tools, the command line offers unparalleled flexibility, speed, and control. In this post, we’ll explore the basics of Git command-line usage, essential commands, and why you should consider using...
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Taming Pipeline Chaos: How I Used GitLab APIs and GPT to Analyze Thousands of Failures and Boost Stability
Imagine this: It’s 9 AM, your nightly scheduled CI/CD pipeline has failed again, and you’re scrolling through endless log files, hunting for that one elusive error message. Sound familiar? In my last assignment, this was our almost daily nightmare. With hundreds of pipelines running weekly, manual debugging was sucking the...
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