Debugging Articles

Techniques, tools, and real-world examples for debugging applications, infrastructure, and complex production issues.

Verbose Magento 2 DB Schema Status

Ever found yourself wondering why a store required downtime to deploy? Or even the case where `setup:db:status` constantly reports `Declarative Schema is not up to date` despite you just update it?

Debugging Varnish Cache Performance in Magento 2

Quick reference guide to debugging Varnish usage within Magento 2, covering cache utilisation, hit & miss rate logging, identifying the source of purge requests

How to install & configure PHP SPX in Warden for Magento 2

A simple installer script to allow you to setup and configure PHP SPX in a Warden environment for Magento 2

Comparing Magento 2 DB Schema Changes

Generate a diff report for the difference between the Magento 2 DB Schema in code, and the schema currently deployed.

Finding Magento 2 Uncacheable Blocks

Quick and easily identify what XML blocks are breaking your full page caching, by injecting a small piece of code into any template.