- Escaped Defects are those defects reported by the Customer from production that have escaped all software quality processes are represented in this metric.
- Technical Debt is the amount of Escaping defects at a time.
How proceed with Technical debt ?
- Escaping defects should then be treated as ranked backlog work items, along with other project work items.
- They should be prioritized high enough to resolve them within the next sprint or two and not accumulate a growing backlog.
Technical debt and metrics
- Watch the defect backlog as part of the project metrics.
- A growing defect backlog is a key indicator that the team is taking on more new work than it can handle.
- To be able to calculate that metric, it is important that in your defect tracking system you track:
- Affected version, version of software in which this defect was found.
- Release date, date when version was released
- The calculation process:
- Find all versions that were already released
- For each version, find all defects that affected the version
- If defect creation date is after version release date then this defect is an escaped defect.
- Now count all those escaped defects.
Monitor Escaped defects
- It should be possible to monitor Escaped Defects found in following dimensions :
- Affected version, to monitor metric value of any released version.
- To aggregated Escaped Defects found over all released versions of the project or product.
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