[20220813] What are the golden signals?

[linzhengen]

参考

• https://www.cloudskillsboost.google/course_sessions/1375344/quizzes/268075
• https://newrelic.com/blog/best-practices/monitoring-golden-signals#toc-what-are-the-golden-signals-

Latency measures how long it takes to complete requests. Traffic tells you the number of requests you’re handling. Errors are the total number of requests that fail. Saturation represents the total load your application is putting on the system and is generally represented as a percentage.