On-Call Triage Tips
值班分诊要点
List the top 3 things to check first in a codebase when paged on-call, and explain why.
在值班被呼叫时，首先需要检查代码库中的哪3个关键点？并说明原因。
Prompt
Imagine you're on-call and this service just paged you. What would be the top 3 things you'd check first in this codebase, and why?