Atharv Singh

@AtharvBlogs

I Write code that moves data fast, hits servers hard, and doesn’t cry in production.

INJoined December 2024

About

Backend heavy, frontend ready I design with clarity Code that works, then scales Principles over buzzwords I care how products feel Impact > features, always.

Atharv Singh's blogs

Debouncing & GitHub’s weird decisiondebouncing-and-githubs-weird-decision.hashnode.dev3 posts

Understanding DeepSeek R1understanding-deepseek.hashnode.dev1 post

A Comprehensive Guide to OpenMPa-comprehensive-guide-to-openmp.hashnode.dev1 post

Understanding Model Context Protocolunderstanding-model-context-protocol.hashnode.dev1 post

How GitHits Changed the Way I Codegithits.hashnode.dev1 post

Recently published

lldbyatharv.hashnode.dev

SOLID Principles

When working in companies, it’s essential to ensure that our code remains highly maintainable and easy to read. It is that one metric in which AI fails poorly (not following design patterns / SOLID etc.) What exactly is a Design Pattern? It is a Solu...

Oct 3, 202511 min read

githits.hashnode.dev

How GitHits Changed the Way I Code : A Deep Dive into its Architecture

💡 TLDR: I swapped my ritual of 20 browser tabs and stale Stack Overflow answers for a tool that actually understands what I'm trying to do. GitHits isn't just another search bar. For years, my(and i guess most us) workflow for tackling a new prob...

Sep 23, 202510 min read

debouncing-and-githubs-weird-decision.hashnode.dev

Inside Blackbird: GitHub’s Rust-Powered Escape from Elasticsearch

💡 TL;DR: GitHub replaced a sprawling Elasticsearch cluster with a custom Rust-powered search engine. To index 100M+ repositories, they battled scaling challenges with novel data structures (Geometric XOR Filter), dynamic sharding, and a hyper-effici...

Aug 25, 202514 min read

debouncing-and-githubs-weird-decision.hashnode.dev

Inverted Indexing: The Core Pattern Behind Fast Search

💡 TL;DR: GitHub's old code search was slow and expensive because it used Elasticsearch, a tool built for human language, not code. It mangled syntax and took months to re-index. They replaced it with a custom-built search engine using a code-specifi...

Aug 12, 202514 min read

debouncing-and-githubs-weird-decision.hashnode.dev

I Didn’t Know What Debouncing Was ~ Until GitHub Made Me Question Reality

TL;DR Saw a tweet about GitHub not debouncing its code search and thought it was a bug. It’s not. It’s a feature, enabled by a custom, beast-mode search engine called Blackbird written in Rust. This deep dive explains what debouncing is, why it's usu...

Aug 5, 20257 min read

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Atharv Singh

About

Atharv Singh's blogs

Recently published

SOLID Principles

How GitHits Changed the Way I Code : A Deep Dive into its Architecture

Inside Blackbird: GitHub’s Rust-Powered Escape from Elasticsearch

Inverted Indexing: The Core Pattern Behind Fast Search

I Didn’t Know What Debouncing Was ~ Until GitHub Made Me Question Reality