AWS us-east-1 outage

Re:AWS us-east-1 outage by 1-6 on Tuesday December 07, 2021 @11:38AM (#29474620)

It’s hard to measure what five-9 is because you have to wait around until a 0.00001 occurs. Incentivizing post-mortems are absolutely critical in this case.

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Re:AWS us-east-1 outage by notinty on Tuesday December 07, 2021 @02:02PM (#29476755)

It's 0.001; the first 2 9's count.

  5N  = 99.999%
  3N  = 99.9%
  1N5 = 95%

5N is <43m12s downtime per month.

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Re:AWS us-east-1 outage by 1-6 on Tuesday December 07, 2021 @03:13PM (#29477603)

I considered writing it as a percent but then decided against using it and moving the decimal instead. But good info for clarification.

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