Magento 2 EAV Performance Deep Dive: Optimizing the Entity-Attribute-Value Model
The Entity-Attribute-Value (EAV) model is both Magento's greatest strength and its most persistent performance bottleneck. It gives you unlimited flex…
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SaveWalterWhite — прохождение простой машины на платформе Aclabs.pro
Данный таск был активен в 6 сезоне CTF, который проходил на площадке Aclabs. Это простая машина, однако имеет 5 флагов. Сначала раскрутим RFI до RCE, …
We Replaced Redis with MySQL SKIP LOCKED for Inventory Reservation — Oversells Went to Zero
For two years, our Sponsored Placements service booked limited ad inventory through Redis: a counter in Redis, a Redlock around the decrement, and a T…
From Native WordPress to Headless: The Real Engineering Decisions Behind a Production Migration
Every headless WordPress conversation starts the same way — someone draws an architecture diagram with arrows pointing from a REST API to a shiny Next…
🧠 Mastering pinecone fastapi semantic search tutorial
🚀 Overview — Why Semantic Search Matters Semantic search surpasses simple keyword matching because embeddings place texts in a high‑dimensional vector…
I had to restore an entire database just to recover one deleted row
Let me vent for a second, because last week broke me a little. I've been doing SRE / database ops for about 5 years, and I keep relearning the same pa…
Replicate MySQL to ClickHouse with Sling
Introduction ClickHouse is a columnar OLAP database. It runs aggregate queries across billions of rows in seconds. MySQL is what most apps run on for …
Stop Putting dd() Everywhere Debug the Database From the Source Instead
Every backend developer has done this at some point. A request fails. Something is not inserting into the database. And suddenly the codebase turns in…
Introduction
Hi everyone! 👋 My name is Fahad and I’m a frontend web developer currently learning and building modern responsive websites using HTML, CSS, JavaScrip…
How we tracked down a mysterious latency issue in our AWS Lambda + RDS Proxy stack, and discovered Prisma was the culprit all along.
Our API Was Fine. Database Was Fine. So Why Were Queries Taking 16 Seconds? It started with a support ticket. A customer-facing API that normally resp…
CAP Theorem Explained: What I Learned Setting Up MySQL Replication
I recently started my journey into system design and data-intensive applications. This experience has completely changed how I look at software — espe…