Amazon Interview Question: How many 9's of availability are required?

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Amazon

How many 9's of availability are required?

Anonymous

May 4, 2018

As many 9's as the customer wants it to be!

Anonymous

Jul 28, 2020

S3 data storage 99.99% for Standard 99.9% for Standard - Infrequent Access 99.99% for Reduced Redundancy Storage 99.999999999% for Durability

Anonymous

Aug 24, 2017

For what?