This is a point to think about when combining 20 services with “5 9s” of uptime ... | Hacker News

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		zwkrt on Aug 31, 2019 \| parent \| context \| favorite \| on: Anna Karenina Principle This is a point to think about when combining 20 services with “5 9s” of uptime in your favorite cloud provider.

anchpop on Aug 31, 2019 | [–]

For those curious, .99999 ^ 20 is around 0.9998.

nojvek on Aug 31, 2019 | | [–]

And that’s 1.7 hours of downtime per year.

Usually WiFi/internet is a bigger downtime problem for most users.

heavenlyblue on Aug 31, 2019 | [–]

Are there any services like that that actually exist?

To be clear, 5 9s is only 5 minutes of downtime each year.

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