Building DreamHome: A Modern Real Estate Platform with the MERN Stack
Building DreamHome: A Modern Real Estate Platform with the MERN Stack By Dhrumil Gajjar — Full-Stack MERN Developer based in Gandhinagar, Gujarat Th…
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"The write was acknowledged" means less than you think
I spent years operating databases for payment platforms, where a lost write isn't a bug, it's a regulatory conversation. That environment teaches yo…
Почему мы перестали собирать персональную ленту SQL-запросами
Как собрать персональную ленту для миллионов пользователей, когда обычный SQL-запрос с JOIN становится слишком тяжёлым? Рассказываю, как мы заранее…
Не заводите вторую базу ради объектов: redb против MongoDB и RavenDB
Объектное хранилище с типами, деревьями и настоящим SQL прямо в вашей PostgreSQL/MS SQL/SQLite. FK на объекты, EF и Dapper рядом. redb против Mongo…
From MySQL to MongoDB in Spring Boot — Everything That Changed in My Code
In my last post I wrote about an error that cost me a full evening: my pom.xml had the MongoDB starter, but my code was still full of JPA annotation…
Mongodb doesnt work with Linux Kernel 6.19
Also found in my blog: Web Warrior Toolbox When I updated Linux kernel in my Zorin PC to kernel 7 everything seemed normal until I needed to start a…
Mongodb Partitioning
At Whoz , we build a SaaS platform that helps professional services companies manage their talent staffing. At the heart of our product lies a conce…
You loved my markdown previewer, so I’m giving it a major upgrade.
Building a smooth, lovely experience isn’t just about rich text rendering—it’s about ensuring the database layer under the hood is as fast, flexible…
You loved my markdown previewer, so I’m giving it a major upgrade.
Building a smooth, lovely experience isn’t just about rich text rendering—it’s about ensuring the database layer under the hood is as fast, flexible…
Как за 5 недель построить рекомендательную систему в TravelTech: Kafka и MongoDB вместо Feature Store
Привет! Меня зовут Кристина, я MLOps-инженер в Туту. Занимаюсь тем, что помогаю рекомендательным системам добраться до прода со всеми компромиссами,…
We Ditched MongoDB Atlas for AWS DocumentDB — Here's Exactly How We Did It
We Ditched MongoDB Atlas for AWS DocumentDB — Here's Exactly How We Did It One connection string change. Zero downtime. One very long night. Here's…
A backup you haven't restored isn't a backup
Migrating from MongoDB Atlas to a self-hosted replica set bought us control and cut our bill. It also quietly removed something we had stopped think…
Building a Bulletproof Comment Reply System in Node.js & MongoDB 🚀
When building a nested reply system, most developers worry about deep tree complexity or messy data structures. For Vlox , I took a different approa…
Building a Bulletproof Comment Reply System in Node.js & MongoDB 🚀
When building a nested reply system, most developers worry about deep tree complexity or messy data structures. For Vlox , I took a different approa…
An agent is a graph
This tutorial was written by Néstor Daza . This is the fourth article in a series about building Claudius , my own Claude-based chatbot ( Github ).…
Building the foundation Claudius runs on
This tutorial was written by Néstor Daza . This is the third article in a series about building Claudius , my own Claude-based chatbot ( Github ). T…
The explain plan I read before the CEO called back!
The escalation reached our CEO before it reached my team. An enterprise customer, one of the largest on the platform, was seeing latency spikes bad…
Система триггеров на событиях Change Stream в MongoDB
Почти любая распределенная платформа рано или поздно сталкивается с необходимостью синхронизировать данные между своими системами. И чем выше требов…
Getting FTDC out of MongoDB Atlas
Every MongoDB server writes FTDC, Full Time Diagnostic Data Capture, into a diagnostic.data folder next to its log. Roughly 5,700 metrics, once per…
SQL vs NoSQL: A Simple Guide to Picking the Right Database
If you're building your first real app, you'll hit this question pretty fast: "Should I use SQL or NoSQL?" It sounds intimidating, but once you get…
Day 168 of Learning MERN Stack
Hello Dev Community! 👋 It is officially Day 168 of my full-stack web development journey! Today, I established the real-time websocket foundation an…
The engineering behind a search bar. Is it worth reinventing the wheel?
This article it is about the follow repository . I hope you all have a moment to understanding more about it and feel the fun of knowledge. Have you…
Бэкап конфигурации WAF за 50 секунд, или Как не терять дни работы между снапшотами
Привет, Хабр! Меня зовут Артем Токарь, я младший инженер технической поддержки в К2 Кибербезопасность . Наша команда работает в составе Це…
I Built a Blood Donation Management System with the MERN Stack
Every year, thousands of people struggle to find blood donors during emergencies. I wanted to build something that could simplify that process while…
MongoDB + Mongoose Patterns I Use in Every Next.js Project
Every MERN project starts the same way. You copy-paste a connectDB function from an old repo. You write a schema with no validation. Three months la…
Deploying a .NET Core API for Free in 2026: Railway vs Render vs Fly.io vs Cloudflare Tunnel
Why this comparison When I started building Sa, a car comparison platform for the Indian market, I had a working .NET Core Web API with MongoDB runn…
Optimizing Large-Scale MongoDB Aggregation Pipelines: A Deep Dive into Performance Strategies
Originally published on tamiz.pro . MongoDB's aggregation framework is a powerful tool for processing and transforming data. However, as datasets gr…
Optimizing Large-Scale MongoDB Aggregation Pipelines: Strategies for Performance at Scale
Originally published on tamiz.pro . MongoDB aggregation pipelines are powerful tools for processing and transforming data within the database. Howev…
How I Built a MongoDB Backup System That Can Undo an Accidental Drop
Every developer has the same nightmare. Someone runs a command on the wrong database, a collection gets dropped, and suddenly the data is just gone.…
Hunting the Bottleneck: Why I Killed findOneAndUpdate in Vlox
The Case: A Database Time Bomb 💣 I was refactoring the backend core of my app, Vlox . I stopped at the high-frequency endpoints: Likes and Reports.…