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A comment on Building resilient services at Prime Video with chaos engineering. Parent comment

Re:Building resilient services at Prime Video with chaos eng... by simonebrunozzi on Monday August 24, 2020 @04:06PM (#24264896)
The whole point is to use multiple Availability Zones across Regions, to protect your uptime from failures in single AZs or entire Regions. Amazon.com does that.
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Re:Building resilient services at Prime Video with chaos eng... by SEJeff on Monday August 24, 2020 @04:19PM (#24265049)
And yet, even companies like pager duty, who have “one job” and hire many competent engineers, still struggle with this:

https://www.pagerduty.com/blog/outage-post-mortem-june-14/

Note that pager duty now weathers Amazon outages beautifully, but the point is that amazon doesn’t have 100% uptime and that properly designing distributed systems is very hard.

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