We replaced Redis with MySQL for inventory reservations—and it scaled

Shopify Engineering2026-05-13 00:510 views

How we used SKIP LOCKED, composite primary keys, and connection visibility to hit our scale targets.

On 4th of November, 2026, we had the PostgreSQL November Meetup in Berlin . AWS hosted it again, this time we had two sp

An invoice for $1,000 is open on September 30. On October 1 the customer pays $400. Run the September report again and t

Introduction Every application we use—from online shopping platforms and banking apps to social media websites—depends o

You save 200 interesting links. You open maybe four. The rest rot in a folder called "Later" . Like most developers, I h

The uninstall button warns you about dependent apps and nothing else. So I took a demo database, wrote down what I expec

Most retrieval-augmented generation (RAG) tutorials end at the same point: load some documents, split them into chunks,

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