Service is operating normally: [RESOLVED] Increased Error Rates - AWS Outage

Summary

Between 11:27 AM and 12:20 PM PST we experienced substantial error rates for S3 PUT/GET requests in EU-CENTRAL-2 Region. Engineers were engaged immediately based on automated alarming. We identified the root cause as an issue with a subsystem responsible for assembling objects bytes in storage. At 12:04 PM PST, we implemented mitigations and began observing early signs of recovery for S3. Error rates continued to improve, and other AWS Services continued to recover until 12:50 PM PST when we obs

Impact

Between 11:27 AM and 12:20 PM PST we experienced substantial error rates for S3 PUT/GET requests in EU-CENTRAL-2 Region. Engineers were engaged immediately based on automated alarming. We identified the root cause as an issue with a subsystem responsible for assembling objects bytes in storage. At 12:04 PM PST, we implemented mitigations and began observing early signs of recovery for S3. Error rates continued to improve, and other AWS Services continued to recover until 12:50 PM PST when we obs

Lessons Learned

⚠AWS has experienced 73 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to storage have occurred 23 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: Storage Failure. Consider implementing preventive measures specific to this failure category.