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I love reading the AWS post-mortems since they're always very detailed in describing the roles of the impacted systems, the intention of the action that caused
by kenhwang 7y ago
I love reading the AWS post-mortems since they're always very detailed in describing the roles of the impacted systems, the intention of the action that caused the outage, the actual action triggered, all the nuances involved in the bug or irregularities from expected behavior, impact to systems, complications, and resolution. It paints a very complex and through picture of how their massive outages are a collection of generally simple failures or oversights that had to all line up just right for catastrophic failure.
Every time I read a Google post-mortem, they seem to hand wave everything away as "a configuration error", "bug", or "bad deploy" and their resolution always has the generic "implement changes to things" that says absolutely nothing. Honestly, when the the causes of these massive disruptions are so simply dismissed, it portrays their system as frail amateur work.