After the recent downtime in the US-east-1 region, I'm curious if other AWS regions faced any disruptions. We're considering setting up replicas of our applications in different regions because a similar outage in US-east-1 caused problems across multiple areas about two years ago. Has there been any feedback on whether other regions were impacted this time?
3 Answers
Our apps in eu-west-1 didn't experience any issues during the downtime; it was an absolute non-event for us.
Not really! We managed to fail over our critical applications to US East 2 and everything ran smoothly. Just a heads up, some global services like IAM were affected since their control plane is only in us-east-1, but IAM itself continued to function without issues. The same goes for Route 53 and CloudFront; they kept operating fine during the outage, just no changes could be made to them.
Yes, the cascading failures from us-east-1, especially concerning DynamoDB endpoint DNS resolution, did impact several other regions. This is primarily because the failure affected global services, not just those specific to a region.
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