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14 min read

Reading the Slow Query Log: When the Database Is the Brake

Slow shops rarely have a visible problem, they have an expensive one. How the slow query log, measured execution plans and matching indexes reveal where the compute time actually goes.

14 min read

Peak Season: Load Testing and an Emergency Plan for Your Shop

Peak season is in the calendar, yet hardly anyone knows their shop's capacity ceiling. This guide shows how to derive a load profile from last year's data, run a staged load test against a production-like copy, define target value, warning threshold and emergency stop, and build an emergency plan with rehearsed relief valves - including an operating calendar from July to January.

12 min read

PHP 8.5 in Your Shop: Tuning OPcache and JIT Right

In PHP 8.5 OPcache is built in. This guide shows which OPcache values save response time in a shop, when JIT tracing helps on CPU-bound routes and hurts on I/O-bound ones - including migration from PHP 8.4.

14 min read

Sovereign Cloud: Data Sovereignty for Online Shops 2026

Data residency is not data sovereignty: why the US CLOUD Act reaches EU-hosted data, what the EU Cloud Sovereignty Framework with eight objectives and five SEAL levels requires, and how to run your shop's customer, order and payment data sovereignly.

13 min read

Backup & Disaster Recovery for Online Shops 2026

Ransomware and human error hit every shop. This guide shows how tested 3-2-1 backups, defined RTO/RPO targets and a documented recovery plan form a resilient contingency plan - and how disaster recovery differs from monitoring.

15 min read

Shopware Message Queue: Workers in Production

Late order mails, a stale search index, an outdated sitemap: how to move the Shopware message queue into production with CLI workers, separate queues and alerting.

14 min read

Shopware Cache Rework: Caching for Logged-In Customers

The storefront HTTP cache now works with login and a filled cart. How the sw-cache-hash works, what changes in invalidation and how to prepare extensions safely.

15 min read

MySQL 8.0 End of Life: Migrate Your Shop Database

With 8.0.46, support for MySQL 8.0 ends. Why the EOL database under your shop is first an audit problem - and how the move to 8.4 LTS works.

13 min read

Zero-Downtime Deployments: Blue-Green for Shops

Maintenance windows cost revenue. How blue-green and canary deployments with cache warmup and clean session handling take new versions live without your shop ever going offline.