---
format: "aidr-story-markdown/v1"
id: "4756ce2b40a65b42fb366a9efbc5e7a92b7db2c8583ec2baca26e44e8e5bfb24"
canonical_url: "https://aidr.today/4756ce2b?lang=en"
title: "The geometric model of maintenance"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-10-15T10:48:58.000Z"
category: "Research"
topics: ["coding"]
source_urls: ["https://entropicthoughts.com/geometric-model-of-maintenance","https://lobste.rs/s/bpvpbe/geometric_model_maintenance"]
summary: "James Shore's model suggests each person-month of coding leads to 10 days of maintenance in the first year and 5 days annually thereafter, though the numbers are hypothetical and based on a wisdom-of-the-crowds approach rather than concrete data."
---

# The geometric model of maintenance

> [Open the canonical story](<https://aidr.today/4756ce2b?lang=en>)

**Published:** 2026-10-15T10:48:58.000Z
**Category:** Research
**Topics:** coding

## Summary

James Shore's model suggests each person\-month of coding leads to 10 days of maintenance in the first year and 5 days annually thereafter, though the numbers are hypothetical and based on a wisdom\-of\-the\-crowds approach rather than concrete data\.

## Sources

- [Story source](<https://entropicthoughts.com/geometric-model-of-maintenance>)
- [Discussion](<https://lobste.rs/s/bpvpbe/geometric_model_maintenance>)