@theankansaha

Debugging Node.js in Production: The Problems, and What Actually Helps

1d ago · 8 min read · Most Node.js tutorials stop at "it works on my machine." Production is where the interesting failures live, and they rarely show up in your logs. Memory climbs for no visible reason. One endpoint pegs

I Mentored 12 Teams at a Hackathon. Here's What I Learned.

May 25 · 4 min read · Recently, I got invited to mentor at HackArena 2.0 - Kolkata Zonals, held at Jadavpur University. Honestly, when the invite landed in my inbox from the Ignite Room team, I wasn't sure what to expect.

Cloudflare Workers Load Balancer: How I Built a Free AWS ALB Alternative in 22 Hours

Apr 8 · 11 min read · The pricing problem that would not leave me alone I have been working with Cloudflare Workers for a long time now. I have contributed to a few open source tools in the Workers ecosystem, deployed Work

I Spent a Day Learning How the Linux Kernel Actually Works — Here's What Surprised Me Most

Mar 11 · 5 min read · I never studied computer science. My degree is in Arts. I learned to code from YouTube videos, late nights, and a stubborn refusal to accept that I couldn't figure things out on my own. So when I say

I Stress-Tested My Own DNS Server This Weekend (8K QPS 🚀)

Feb 15 · 2 min read · This weekend, I didn’t binge-watch anything.I stress-tested my own DNS server. For the past few months, I’ve been building NexoralDNS — a UDP-based DNS server focused on performance, analytics, and control. Not a wrapper. Not a proxy. A real packet-l...