Kalpesh Mali (@THE-BACKEND-ENGINEER)

The 1.2GB Metadata Monster: How We Almost Killed a Top-30 Shopify Brand's Systems

A forensic analysis of an exponential data corruption bug that turned 500 bytes into 1.2GB, nearly brought down enterprise systems processing 400,000 monthly orders, and taught us the true weight of responsibility in enterprise software. Table of Co...

3Jul 26, 2025 · 24 min readthebackendengineer.hashnode.dev

Node.js Clustering Mastery: From Core Concepts to High-Performance Engineering

1. Introduction to Node.js Clustering You know, saying "Node.js is single-threaded" is a bit of a lie. While it's true that the event loop operates on a single thread, Node.js clustering flips the script entirely. By spinning up multiple worker proce...

Aug 19, 2024 · 11 min readthebackendengineer.hashnode.dev

Mastering Node.js Streams: From Novice to Ninja

Hey there, Node.js enthusiasts! Ready to dive deep into the world of streams? Buckle up, because we're about to embark on a journey that'll transform you from a stream novice to a data-flow master. What You'll Learn Streams 101: The basics and why t...

1Aug 10, 2024 · 11 min readthebackendengineer.hashnode.dev

CORS: The Cross-Domain Data Savior

1.) What is CORS? CORS stands for Cross-Origin Resource Sharing. It is a security feature implemented by web browsers that block web pages from making requests to a different domain than the one that served the web page. When a browser receives a req...

Mar 7, 2023 · 6 min readthebackendengineer.hashnode.dev

Kalpesh Mali

About

Available for

Kalpesh Mali's blogs

The 1.2GB Metadata Monster: How We Almost Killed a Top-30 Shopify Brand's Systems

Node.js Clustering Mastery: From Core Concepts to High-Performance Engineering

Mastering Node.js Streams: From Novice to Ninja

CORS: The Cross-Domain Data Savior

Kalpesh Mali

About

Available for

Kalpesh Mali's blogs

The 1.2GB Metadata Monster: How We Almost Killed a Top-30 Shopify Brand's Systems

Node.js Clustering Mastery: From Core Concepts to High-Performance Engineering

Mastering Node.js Streams: From Novice to Ninja

CORS: The Cross-Domain Data Savior

Kalpesh Mali

About

Available for

Kalpesh Mali's blogs

The 1.2GB Metadata Monster: How We Almost Killed a Top-30 Shopify Brand's Systems

Node.js Clustering Mastery: From Core Concepts to High-Performance Engineering

Mastering Node.js Streams: From Novice to Ninja

CORS: The Cross-Domain Data Savior

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Kalpesh Mali

About

Available for

Kalpesh Mali's blogs

The 1.2GB Metadata Monster: How We Almost Killed a Top-30 Shopify Brand's Systems

Node.js Clustering Mastery: From Core Concepts to High-Performance Engineering

Mastering Node.js Streams: From Novice to Ninja

CORS: The Cross-Domain Data Savior