Purpose
Unresolved Bugs Older Than a Month (top priorities) shows the amount a number of defects (Blocker and Critical) which has not been resolved since open defects of a top priority for today with a lifetime more than a month.
How metric helps
Unresolved Bugs Older Than a Month (top priorities) helps to monitor the efficiency of the quality assurance process in a project. If top priority defect stays unfixed long time it can affect on the product stability which could be provided for an end-user. It is expected that on the project this health indicator reveals a number of open top priority defects living more than a month so that they have to be take into work immediately. The expected value is equal to zero. Calculation is based on issues created within last 90 days.
How metric works
Chart overview
Chart shows Unresolved Bugs Older Than a Month (top priorities) in amount of active defects with priority Blocker and Critical more than a month. 
shows a number a number of open defects of a top priority with a lifetime more than a month - number in the center. Target value is above the chart.
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By click on a chart a pop up appears with the following information got from the task tracking system:
Issue ID
Type
Priority
Summary
Calculation
Unresolved Bugs Older Than a Month (top priorities) is measured as an amount of top priority issues with status is not closed.
where,
issue type is Bug,
status of issues is not Closed,
top priority is Blocker or/and Critical (a number of defects of a top priority being in not "Done" status for the last 30 days.
RAG thresholds: Red - metric value > 0; Green - metric value = 0.
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Assumptions1 Calculation considers created items within the last 90 days. 2 Defect is an item of a type set in Project Configuration > Data Sources > Task Tracking System> Scope Management -> Definition of Work Buckets -> Defects. 3 Top priority defect is a defect of a priority defined |
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in Project Settings > Data Sources > Task Tracking System > Quality management. |
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Creation Date is older than 'current date minus 30 days.
The metrics calculates issues that were created within last 90 days.
RAG thresholds: Red - metric value > 0; Green - metric value = 0.
4 "Done" status is a status from "Done" bucket in Project Settings>Data Sources>Task Tracking System>Workflows. |
Data Source
Data for the metric can be collected from a task tracking system (Jira, TFS, Rally, etc.).
See also
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