DevConf.CZ 2026

Beyond the Linear Trap: Scaling CI/CD with State-on-Demand
2026-06-19 , D0206 (capacity 154)

Modern CI/CD pipelines promise speed and parallelism, yet testing often remains linear. Many teams rely on one large end to end flow or chained test cases where each step depends on the previous. This creates a scalability ceiling: no true parallel execution, and one early failure blocks all downstream validation.

The constraint is not tooling but state management. Parallel tests require the ability to start from any required business state without replaying earlier steps.

Two strategies enable this shift. Environment virtualization uses snapshots and layered storage to restore systems instantly into predefined states. State aware provisioning pre creates or duplicates entities across lifecycle stages so tests can begin directly from meaningful states.

Treating system state as a first class concern decouples tests, isolates failures, reduces feedback time, and turns testing into a scalability enabler.


Experience level: Intermediate - attendees should be familiar with the subject

Vaclav Broz is an IT professional focused on quality, delivery, and clear communication. He started in test automation in 2003 and has worked as a project manager, management consultant, and founder of his own consultancy. He specializes in large scale IT delivery transformation with emphasis on DevOps and QA. He runs the Europe wide QA Kitchen community, speaks at meetups, co organizes DevOpsDays, and aims to share practical insights at international conferences.