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METRICS FOR ARCHITECTS Software metrics can be used effectively to judge the maintainability and architectural quality of a code base. Even more importantly, they can be used as canaries in a coal mine to warn early about dangerous accumulations of architectural and technical debt. I will introduces some key metrics that every architect should know (e.g., average component dependency, propagation cost, structural debt index, and more). Then I will talk about the journey to create a metric to measure maintainability and introduces a new metric maintainability level. This metric is promising because its value usually matches quite well the gut feeling of developers about the maintainability of their software systems. Therefore, it can be used to monitor code maintainability and as an early warning indicator if things move in the wrong direction.
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