Context Switches in Software Engineering
summary
Jaguar Land Rover reports 42,000 employees, £22bn revenue, 135 software groups and about 5,000 software personnel and analyzes context-switch penalties across tasks, projects and stations, quantifying higher cost when switching project plus role. Findings: developers/QA/ops show double green proficiency so CI/CD, automated tests and containerized build machines work; build infra uses Packer recipes + Docker to enable self‑service and isolation; virtualized vehicles simulate production; surprising cross-skills include architects doing ops and devs doing QA; plan capacity and train to reduce costly interruptions.
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chapters (8)
- 0:00Intro
- 1:44Software Lifecycle
- 8:31Specialities
- 11:55Design
- 13:27QA
- 15:38Automated Test Feedback
- 17:25Lessons Learned
- 20:40Outro
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