Degraded Performance – Cluster Creation for Replicas ≥ 1600cc

Update timeline

1. investigating Mar 02, 2026, 08:02 PM UTC

   Status: Investigating We are currently investigating an issue impacting cluster creation for replicas sized greater than or equal to 1600cc. Customers may experience delays or clusters remaining in a pending state during provisioning. Smaller replica sizes are not affected. Our engineering team is actively working to identify the root cause and mitigate the issue. Affected components aws/eu-west-1 (Degraded performance) aws/us-east-1 (Degraded performance) aws/us-west-2 (Degraded performance)

2. investigating Mar 03, 2026, 02:23 AM UTC

   Status: Investigating We are continuing to investigate an issue impacting cluster creation for legacy cc replicas sized greater than or equal to 1600cc. Customers may experience delays or see clusters remain in a pending state during provisioning. We have confirmed that this issue does not affect M.1 cluster sizes. Only legacy cc clusters are impacted at this time. Our engineering team is actively working to identify the root cause and implement a mitigation. We will provide further updates as we have more information. Affected components aws/eu-west-1 (Degraded performance) aws/us-east-1 (Degraded performance) aws/us-west-2 (Degraded performance)

3. resolved Mar 03, 2026, 03:46 PM UTC

   Status: Resolved We have identified and resolved the issue impacting cluster creation for large legacy cc replicas. Cluster provisioning is now functioning normally. M.1 cluster sizes were not affected during this incident. Affected components aws/us-east-1 (Operational) aws/us-west-2 (Operational) aws/eu-west-1 (Operational)