Abstract
The stellarator Wendelstein 7-X (W7-X) is a fusion device designed for steady state operation. It is a complex technical system. To cope with the complexity a modular, component-based control and data acquisition system has been developed.During operation phases of W7-X components steadily evolve. For instance, measurement devices for diagnostics are improved, technical processes are optimized, experienced limits of the machine have to be taken into account or simple “bug fixing” is done. This requires continuous further development of the components while operating them at W7-X – a typical use case for DevOps practices.DevOps is a software engineering practice. The term is a compound of development and operations. It aims at shorter development cycles, while the quality of the changed system must stay at a high level. This is achieved by using a highly automated tool chain.
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