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The geometric model of maintenance
TL;DR
James Shore's geometric model of maintenance suggests that each month of coding leads to significant ongoing maintenance, with a refined approach using real project data. Analyzing tmux reveals that maintenance often exceeds new development, challenging traditional models.
✦ Why It Matters
Budget maintenance time based on new development to avoid project overruns.
Key Takeaways
- Track commits as new development or maintenance for better insights.
- Expect maintenance to exceed new development in long-term projects.
- Use the geometric model to estimate future maintenance needs.
- Adjust maintenance estimates based on specific project characteristics.
How It Works
The geometric model suggests that maintenance needs decay over time, starting at a percentage of new development effort and decreasing monthly. By analyzing commit data, developers can better understand the maintenance demands of their projects.