What is “Code Churn”?
The “Code Churn” DevOps quality metric measures the degree to which the code base changes over a given period. It can be measured in terms of code churn size, type, breadth, and depth.
How “Code Churn” Ranks vs. Other Quality Metrics
In new Forrester research on DevOps quality metrics, DevOps leaders ranked “Code Churn” as the #15 most valued build quality metric. Of the 19% of DevOps leaders who measured this metric, 48% of them ranked it as one of their most valuable DevOps quality metrics. This metric was not found to be a “DevOps Differentiator” (DevOps experts/leaders measured it significantly more than DevOps laggards did).
Here‘s a quick look at how “Code Churn” is positioned vs. other Build Metrics—based on the raw data collected from DevOps experts. “DevOps Differentiators” are highlighted in green.
These findings are expanded upon in the new ebook: Forrester Research on DevOps Quality Metrics that Matter: 75 Common Metrics—Ranked by Industry Experts.