Elixir

Database Battles: PostgreSQL vs MongoDB vs Elixir’s Secret Weapons

Why external databases are yesterday’s problem when you have Mnesia and ETS We’ve all been there. You’re building a real-time app and suddenly you’re drowning in database decisions: While you’re busy setting up Docker containers, configuring connection pools, and debugging network timeouts, Elixir developers are already shipping features. Here’s why. The Traditional Database Nightmare Let’s […]

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Scaling Real-Time Apps: Elixir libcluster PubSub vs Node.js

When building distributed, real-time applications, choosing the right tools for communication and scaling is crucial. Elixir, with its powerful concurrency model and libraries like libcluster and Phoenix PubSub, excels at handling thousands of concurrent connections and distributed messaging. In contrast, Node.js, while capable, faces challenges in scaling real-time features across multiple nodes. Today we dive

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The Great Framework Wars: Why Phoenix Beats Express.js Every Time

A battle-tested developer’s controversial take on why JavaScript’s darling can’t compete with Elixir’s rising star The JavaScript community won’t like this, but it’s time someone said it: Phoenix LiveView has made Express.js obsolete for serious web applications. I’ll be honest — I used to be one of those developers who swore by Node.js. “JavaScript everywhere!”

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How the Wrong Tech Stack Killed India’s Biggest Crypto Exchange (And How Elixir Could Have Saved It)

Before the RBI ban crippled them, a series of catastrophic system failures had already sealed their fate. Here’s the technical post-mortem every fintech founder needs to read. In December 2017, Koinex was on top of the world. India’s largest cryptocurrency exchange was processing $265 million in trading volume monthly, onboarding 40,000 new users in a

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Building Fault-Tolerant Invoice Settlement Systems: Go vs Elixir- Part 1

This is the part-1 of the invoice settlement system. Read it here This story is the direct comparison of the system design comparison between Elixir & Go, we will build the same system in both of the languages and see which provides what benefit. Why This Story Matters Ten years ago, I was working at

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Building Fault-Tolerant Invoice Settlement Systems: The Elixir Way — OTP Makes It Simple — Part 3

Why Elixir Changes Everything Before we dive into code, let’s understand what makes Elixir fundamentally different. While Go makes you build reliability mechanisms manually, Elixir was born from the Erlang ecosystem — designed for telecommunications systems that needed 99.9999999% uptime (that’s 31 milliseconds of downtime per year). The Erlang/OTP philosophy is simple: “Let it crash,

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Building a Parking Lot System with Elixir OTP: A Journey from Traditional to Domain-Driven Design

Revisiting “Designing Elixir Systems with OTP” by Bruce Tate and applying its principles to build a robust parking lot management system What You’ll Learn The Backstory A few years ago, I read Bruce Tate’s excellent book “Designing Elixir Systems with OTP” and was fascinated by the clean architecture patterns it presented. Coming from a traditional

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Demystifying distributed tracing in Elixir via Open-Telemetry, Zipkin, and Elastic Search

Today we are going to discuss a very important topic when we come to discuss microservices architecture, i.e. Distributed tracing across the system when we have so many small applications running and each application has one or many microservices. In this kind of architecture, there are applications talking to each other and passing data around.

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