Recommended links about metrics

Measuring developer productivity? A response to McKinsey [article]
Gergely Orosz and Kent Beck clearly lay out the challenges with measuring developer productivity and the dangers of following McKinsey's advice
Measuring developer productivity? A response to McKinsey, Part 2 [article]
Part 2 of Gergely Orosz and Kent Beck's insightful articles on measuring developer productivity
Three-Bucket Framework for Engineering Metrics [article]
Abi Noda provides some good guidance on selecting and reporting on engineering metrics to stakeholders
Using Metrics to Measure Individual Developer Performance [article]
Laura Tacho highlights the pitfalls of using metrics to measure developer performance, and also gives some direction on overcoming these.
OKRs are hard. But I still love them [article]
Camille Fournier on the pitfalls and challenges of writing OKRs that will be useful
Measuring Engineering Efficiency at LinkedIn [article] [BEHIND A PAYWALL]
Max Kanat-Alexander gives some great insights into the pitfalls of measuring and improving developer productivity
Cannot Measure Productivity [article]
Martin Fowler's reminder of the issues with measuring productivity in software development
Don't focus on metrics [article]
Jonathan Hall reminds us not to forget that metrics must be used in service of a desired outcome