Major incident

Confluent Cloud: Elevated error rates and latency on produce and consume operations on AWS us-east-1 AZ4

Affected: Confluent Cloud

Current status of Confluent Cloud: Operational — live Confluent Cloud status

Timeline

1. May 8, 2026, 01:14 UTC
   investigating
   We are investigating data plane impact (produce/consume) resulting from elevated error rates and latencies from AWS us-east-1 resources in AZ4. EC2 instances hosted on this availability zone are impaired by loss of power during an ongoing thermal event.
2. May 8, 2026, 01:55 UTC
   monitoring
   We are monitoring the health of impacted brokers in the affected availability zone. More details about the thermal event on the AWS status page: https://health.aws.amazon.com/health/status
3. May 9, 2026, 13:19 UTC
   monitoring
   AWS has resolved the underlying infrastructure issue in us-east-1 (use1-az4). The majority of Confluent Cloud services have recovered and are operating normally. We are continuing to monitor for any lingering effects and verifying full service restoration.
4. May 12, 2026, 18:51 UTC
   monitoring
   AWS has reported the underlying infrastructure issue in us-east-1 (use1-az4) as resolved. However, some Confluent Cloud customers in the affected availability zone continue to experience connectivity issues. Confluent is actively investigating and working to restore full connectivity for impacted customers.
5. Jun 4, 2026, 16:47 UTC
   resolved
   The incident has been resolved and us-east-1 (use1-az4) is fully operational.

Updates as published by Confluent Cloud (original).