What I look for in an oncall handoff

The team I learned the most from didn't have great tools. They had a great habit of reading each other's pull requests in full, including the parts that weren't theirs.

If a config file has more than a dozen options, half of them aren't being used. The other half are being used in ways the original author didn't predict.

Latency budgets work better than latency targets. Targets are aspirational. Budgets force you to delete features when you go over.