Alation Cloud Service incident
Metadata extraction / QLI failures with BAD REQUEST HTTP response headers
Resolved after 3 hours 38 minutes, affecting Americas (US-east) - Dev and Americas (US-east), on October 21, 2025.
Fix has been implemented and confirmed to successfully resolve the issue. Root cause was result of AWS US-East-1 outage from previous day (Monday, October 20).
Affected components
Update timeline
- investigating Oct 21, 2025, 05:26 PM UTC
We are currently investigating an issue with the MDE Pipeline service, which is preventing data extraction and causing errors. The error is related to a timeout connection to the pipeline service. Our team is working to resolve the issue as quickly as possible. We will keep you posted with the progress as it becomes available.
- identified Oct 21, 2025, 06:35 PM UTC
Cause has been identified and fix implemented. Working on resolution.
- resolved Oct 21, 2025, 09:04 PM UTC
Fix has been implemented and confirmed to successfully resolve the issue. Root cause was result of AWS US-East-1 outage from previous day (Monday, October 20).
Your product runs on more than Alation Cloud Service
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services