Astronomer incident

Node Scaling issues in AWS us-east-1 region

Major Resolved

Astronomer experienced a major incident on July 6, 2026, lasting 4h 30m. The incident has been resolved; the full update timeline is below.

Started
Jul 06, 2026, 11:35 AM UTC
Resolved
Jul 06, 2026, 04:06 PM UTC
Duration
4h 30m
Detected by Pingoru
Jul 06, 2026, 11:35 AM UTC

Update timeline

  1. investigating Jul 06, 2026, 11:35 AM UTC

    We are investigating a spike in issues in AWS us-east-1 region, affecting node scale-up. This will create issues with workers scaling up and potentially new tasks starting

  2. investigating Jul 06, 2026, 01:00 PM UTC

    AWS has published a status update for this issue. We are actively monitoring their progress and will continue to share updates.

  3. monitoring Jul 06, 2026, 02:24 PM UTC

    AWS has now acknowledged a us-east-1 EC2 Launch Template API incident impacting EKS node provisioning/scaling (incl. Karpenter). We are continuing to monitor the situation.

  4. monitoring Jul 06, 2026, 03:00 PM UTC

    We are no longer seeing any impacting clusters in the AWS us-east-1 region. We're continuing to monitor the situation.

  5. resolved Jul 06, 2026, 04:06 PM UTC

    AWS has confirmed this incident is resolved.