How do you set up the Regression Detector?

[hamirmahal]

The automated Regression Detector Results that show up on a pull request are really interesting. How was it set up?

[hamirmahal]

#21479 (comment) is an example of the results.

[jszwedko]

https://github.com/vectordotdev/vector/blob/master/.github/workflows/regression.yml is the workflow. It relies on some open source tools (like lading), but also a service internally hosted at Datadog that runs the benchmarks and does the statistical analysis.