Sigma Computing incident
Unable to login and load workbooks for Sigma AWS US
Sigma Computing experienced a critical incident on September 14, 2023 affecting Sigma - AWS (US), lasting 2h 7m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 14, 2023, 06:12 PM UTC
We are investigating an issue with Sigma AWS US users unable to login to the app. We are treating this as our highest priority. Our apologies for any inconvenience caused. Impacted Cloud Regions & Services: Sigma users hosted on AWS US Incident Start Time: Approximately 17:50 UTC September 14, 2023
- monitoring Sep 14, 2023, 06:59 PM UTC
Engineering has identified the root cause and implemented mitigation measures. We have confirmed that users are able to login to the app and load Workbooks again. We are continuing to closely monitor. Impacted Cloud Regions & Services: Sigma users hosted on AWS US Incident Start Time: Approximately 17:50 UTC September 14, 2023
- resolved Sep 14, 2023, 08:19 PM UTC
The mitigation measures have proven effective, and the issue is resolved. We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in coming days. You will receive a notification when that occurs. Impacted Cloud Regions & Services: Sigma users hosted on AWS US Incident Start Time: Approximately 17:45 UTC September 14, 2023 Incident End Time: Approximately 18:15 UTC September 14, 2023