Alation Cloud Service incident

Metadata extraction / QLI failures with BAD REQUEST HTTP response headers

Notice Resolved View vendor source →

Alation Cloud Service experienced a notice incident on October 21, 2025 affecting Americas (US-east) - Dev and Americas (US-east), lasting 3h 38m. The incident has been resolved; the full update timeline is below.

Started
Oct 21, 2025, 05:26 PM UTC
Resolved
Oct 21, 2025, 09:04 PM UTC
Duration
3h 38m
Detected by Pingoru
Oct 21, 2025, 05:26 PM UTC

Affected components

Americas (US-east) - DevAmericas (US-east)

Update timeline

  1. 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.

  2. identified Oct 21, 2025, 06:35 PM UTC

    Cause has been identified and fix implemented. Working on resolution.

  3. 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).