Astronomer incident
Issues with EC2 scale up time in AWS us-east-1, use1-az2 Availability Zone causing node scale up issues for some deployment in AWs us-east-1
Minor Vendor's status page →
Resolved after 5 hours 46 minutes, affecting Scheduling and Running DAGs and Tasks and Scheduling and Running DAGs and Tasks, on October 28, 2025.
Customer deployments should no longer be affected, we are monitoring to confirm resolution.
Affected components
Scheduling and Running DAGs and TasksScheduling and Running DAGs and Tasks
Update timeline
- investigating Oct 28, 2025, 06:05 PM UTC
We are currently investigating this issue and have been notified by AWS of issues with VM scale ups in AWS us-east-1, specifically the use1-az2 AZ. We are working to identify affected deployments, as well as on mitigations.
- monitoring Oct 28, 2025, 07:39 PM UTC
Customer deployments should no longer be affected, we are monitoring to confirm resolution.
- resolved Oct 28, 2025, 11:51 PM UTC
This incident has been resolved.
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