> Link me the research on the hard engineering tasks they've done on database kernels, I'd love to see it, sounds interesting.

https://www.datadoghq.com/blog/ai/harness-first-agents

https://www.datadoghq.com/blog/ai/fully-autonomous-optimizat...

https://www.datadoghq.com/blog/engineering/self-optimizing-s...