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SYSE.35:3 - Forces
| Force | Practical tension |
|---|
| Limited impact and informative observation | A tiny population reduces exposure but may never exercise the changed behavior. |
| Comparability and ordinary use | Controlled comparisons improve attribution while users, workloads and shared dependencies continue changing. |
| Prompt response and causal certainty | A credible harmful effect may justify reducing exposure before the full cause is known. |
| Technical reversibility and retained effects | Routing can change quickly while data writes, messages or other consequences persist. |