in case you were wondering or confused: “aws” did not go down today.
the us-east-1 region of aws went down today. aws has dozens of regions (geographic zones), each with handfuls of availability zones (data centers).
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Though us-east-1 is expected to be available by some critical components of their worldwide infrastructure to keep everything running so once it stumbles, everything cascadingly starts crumbling.
us-east-1 is their oldest and i believe largest region located in northern viginia. they often rollout stuff here first, causing outages from time to time.
any major service that was disrupted today should be looking inwards. it means they have a single point of failure on this one, historically fragile region.
could be the case - i don’t have any knowledge of their internal systems. ive never worked for aws.
As I understand it wasn't even the entire region. It was just some services within that region.
Me neither. It's just common knowledge from years of experiences working with AWS on the infrastructure side. They distribute many services into different regions so it's not all of AWS being down right now but some critical pieces are still dependent on us-east-1 and it's known as the most unreliable region as well, so many skip it altogether.
all my homies use us-east-2
Building infrastructure across multiple regions is much more expensive, and most companies don't pay their employees or consultants enough to justify the effort.
absolutely. and depending on the company, multi region HA may be a requirement.