Issues with global op concurrency keys

Incident Report for Dagster Cloud

Resolved

This incident has been resolved.

Posted Feb 07, 2025 - 16:11 UTC

Monitoring

The fixes has been rolled out and previously blocked runs appear to be progressing. We are continuing to monitor for any issues.

The previous blocked runs should progress with their step execution, but may not reach a terminal state and may need to be manually terminated.

Posted Feb 07, 2025 - 15:56 UTC

Identified

Some runs containing ops tagged with concurrency keys that have not been configured explicitly or with a default limit are getting blocked.

Separately, there are some UI issues affecting the concurrency key settings page.

We have identified fixes for these and are in the process of rolling them out.

Posted Feb 07, 2025 - 15:37 UTC

This incident affected: API and Dagster Cloud UI.