5d ago · 11 min read · In the high-stakes world of distributed systems, the moment of deployment is often the most volatile period in a software lifecycle. On August 1, 2012, Knight Capital Group experienced an architectural nightmare that remains a haunting lesson for eve...
Kklement commented5d ago · 13 min read · TLDR: Standard hashing (key % N) breaks when $N$ changes — adding or removing a server reshuffles almost all keys. Consistent Hashing maps both servers and keys onto a ring (0–360°). When a server is added, only its immediate neighbors' keys move, mi...
Join discussionFeb 23 · 6 min read · Project Overview QuickLoan is a PHP-based web application deployed on AWS using a fully scalable and highly available architecture. Tech Stack Frontend: HTML, CSS, JavaScript Backend: PHP 8.2 Web S
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Feb 14 · 6 min read · In this detailed guide, I’ll walk you through how I built a secure production-style AWS architecture where: Private EC2 instances have no public IP They can still access the internet via NAT Gateway SSH access is only possible through a Bastion Ho...
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Feb 13 · 11 min read · The challenge of maintaining high availability and low latency at a global scale is one of the most significant hurdles in modern software architecture. When a service grows beyond a single data center, the complexity of directing users to the correc...
Join discussionFeb 12 · 10 min read · DNS Load Balancing: GeoDNS Configuration for Global Traffic Distribution When your application serves users across multiple continents, every millisecond of latency compounds into measurable revenue loss and user abandonment. DNS load balancing with ...
Join discussionFeb 12 · 10 min read · Why Traditional Load Balancing Fails for WebSockets Standard round-robin or least-connections load balancing works well for stateless HTTP requests. Each request is independent, and any backend server can handle it. WebSockets break this model entire...
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