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.

Part 15 of the Goravel series . The original on DevChalk has the colour-matched code, the figures and the full diffs. Co

Part 16 of the Goravel series . The original on DevChalk has the colour-matched code, the figures and the full diffs. Co

Part 13 of the Goravel series . The original on DevChalk has the colour-matched code, the figures and the full diffs. Co

Originally published on the Hubfly space blog . By Octave, drafted with AI, tested on Hubfly space. TL;DR What you get:

Part 4 of the Goravel series . The original on DevChalk has the colour-matched code, the figures and the full diffs. Cod

Part 5 of the Goravel series . The original on DevChalk has the colour-matched code, the figures and the full diffs. Cod

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