Elevated error rates and latency on produce and consume operations on AWS us-east-1 AZ4
Incident Lifecycle
Incident Timeline
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.
Confluent is actively investigating and working to restore full connectivity for impacted customers.
May 12, 2026 at 6:51 PM 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.
We are continuing to monitor for any lingering effects and verifying full service restoration.
May 9, 2026 at 1:19 PM 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
May 8, 2026 at 1:55 AM 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.
May 8, 2026 at 1:14 AM UTC
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