Prisma Engineering

30 days · cards read the governed metrics API. Open backlog is point-in-time, not limited to the range.

Issues opened

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Definition

count of issues created in range

Inclusion: created_at in range

Issues resolved

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Definition

count of issues where closed_at is not null

Inclusion: closed_at is not null

Backlog growth

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Definition

issues opened minus issues closed in range

Inclusion: created_at / closed_at in range

Open backlog

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Definition

count of issues never closed

Inclusion: closed_at is null; not limited to the range

Median issue resolution

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Definition

percentile_cont(0.5) of (closed_at - created_at) in hours

Inclusion: closed_at is not null

Bug ratio

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Definition

avg((is_bug)::int) — equivalent to bug issues / all issues

Inclusion: is_bug = true in numerator

Opened / week

Closed / week