The Myth of the Root Cause: How Complex Web Systems Fail

blog.scalyr.com

"In his influential paper How Complex Systems Fail, Richard Cook shares 18 sharp observations on the nature of failure in complex medical systems. The nice thing about these observations is that most of them hold true for complex systems in general. Our intuitive notions of cause-and-effect, where each outage is attributable to a direct root cause, are a poor fit to the reality of modern systems.

In this post, I’ll translate Cook’s insights into the context of our beloved web systems and explore how they fail, why they fail, how you can prepare for outages, and how you can prevent similar failures from happening in the future."

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