Blog
Articles, deep dives, and write-ups related to "System Design".
From the black-and-white squares on your pizza box to the split-second bank transfer — here's how QR codes and UPI payments actually work under the hood, explained without the jargon.
A beginner-friendly guide to Cache-Aside, Read-Through, Write-Through, Write-Back, and Write-Around, with when to use each.
Understand how files are actually stored on disk, why deletion is instant, and why copying takes time. A beginner-friendly deep dive into file systems and storage architecture.
How Go struct field ordering affects memory via alignment and padding, with benchmarks across millions of allocations and practical tools to detect wasted space.
Microservices architecture for ride-sharing: service boundaries, REST vs gRPC vs message queues, geo-location tracking, and trade-offs between monolith-first and microservices.
How Amazon SNS helps startups cut messaging costs with pay-per-message pricing, automatic retries, dead letter queues, and multi-region delivery — and when SQS might be a better fit.
