Scheduled exports and materializations are delayed
Affected: Sigma - AWS (US)
Sigma Computing Outage History
Sigma Computing is up right nowSigma Computing had 13 outages in the last 2 years totaling 143h 59m of downtime — averaging 0.5 incidents per month.
There were 13 Sigma Computing outages since September 21, 2025 totaling 143h 59m of downtime. Each is summarised below — incident details, duration, and resolution information.
High errors showing being displayed in workbooks
Affected: Sigma - AWS (US)
Timeline · 2 updates
- investigating Jun 22, 2026, 06:11 PM UTC
We have received reports of errors loading workbook elements on their Sigma application. We are investigating the issue at the highest priority. Our preliminary investigations indicate the following: Impacted Cloud Regions & Services: AWS aws-us-west-2 User Experience: "An error has occurred" presented on workbooks. Incident Start Time: Approximately 10:30 AM PST We will provide updates on this page when we have pertinent status updates.
- resolved Jun 22, 2026, 06:52 PM UTC
We identified a higher than usual spike in CPU usage during the timeframe below on our AWS instance. We scaled our infrastructure accordingly to accommodate this and the mitigation measures have proven effective, and our monitoring indicates that this 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 the coming days. Impacted Cloud Regions & Services: AWS US-WEST-2 User Experience: We expect users to no longer experience workbook errors. Incident Start Time: Approximately 17:30 UTC June 22, 2026 Incident End Time: Approximately 18:14 UTC June 22, 2026
Errors on pivot table export
Timeline · 2 updates
- identified May 15, 2026, 01:21 AM UTC
Users are experiencing elevated errors when exporting pivot tables, with the error message "Column alias not found".
- resolved May 15, 2026, 01:49 PM UTC
This incident has been resolved.
Permission Denied Errors on Elements Sourced from Custom SQL Tables
Timeline · 2 updates
- investigating Apr 08, 2026, 06:22 PM UTC
The permission denied issue got resolved Impacted Cloud Regions & Services: All regions User Experience: Users get permission denied error in the workbook Incident Start Time: Approximately 2:00PM UTC April 08, 2026
- resolved Apr 08, 2026, 11:39 PM UTC
This incident has been resolved.
Experiencing issues with Google sheets Integration
Timeline · 3 updates
- identified Mar 31, 2026, 09:08 PM UTC
We have identified the root cause for this issue with Google sheets integration and are currently deploying a fix to all regions. We will update here once we have additional information. We are treating this as our highest priority. Our apologies for any inconvenience caused. Impacted Cloud Regions & Services: All regions User Experience: Affected users are unable to create or use Google Sheets integrations in their exports. Incident Start Time: Approximately 19:15 UTC March 31, 2026
- monitoring Mar 31, 2026, 09:50 PM UTC
Our engineers have implemented mitigation measures to circumvent the issue and we are monitoring their effect closely. Impacted Cloud Regions & Services: All regions User Experience: Google Sheets integration and related exports should now be functioning as expected. Incident Start Time: Approximately 19:15 UTC March 31, 2026 Incident End Time: Approximately 22:12 UTC March 31, 2026
- resolved Apr 01, 2026, 03:30 AM 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. Impacted Cloud Regions & Services: All regions User Experience: Google Sheets integration and related exports should now be functioning as expected. Incident Start Time: Approximately 19:15 UTC March 31, 2026 Incident End Time: Approximately 22:12 UTC March 31, 2026
Issue with Burst email exports are resolved
Timeline · 15 updates
Chat Support experiencing 3rd party outage
Timeline · 5 updates
- investigating Jan 09, 2026, 08:33 PM UTC
Our 3rd party chat system Intercom is currently experiencing an outage as listed here https://www.intercomstatus.com/us-hosting. If you have an urgent request that requires immediate attention while this outage is ongoing, please go to https://support.sigmacomputing.com and press "Submit a Request" to submit a ticket. Expect response times being slower than usual. We apologize for this inconvenience and will update this page as the situation develops.
- monitoring Jan 09, 2026, 09:12 PM UTC
Our 3rd party system has updated their incident saying a fix has been implemented. Sigma support team has noticed that the chat application is currently online and our Support Engineers are online but we will continue monitoring for any up new development.
- investigating Jan 09, 2026, 09:15 PM UTC
We are continuing to investigate this issue.
- monitoring Jan 09, 2026, 09:18 PM UTC
Our 3rd party system has updated their incident saying a fix has been implemented. Sigma support team has noticed that the chat application is currently online and our Support Engineers are online but we will continue monitoring for any up new development.
- resolved Jan 09, 2026, 10:23 PM UTC
Our 3rd party vendor has updated their incident marking it as now resolved. We have confirmed that our chat support system is fully operational and our technical support engineers are available there. We will mark this incident as resolved as well. Again we apologize for the inconvenience this has caused, and appreciate your understanding.
Scheduled Backend Tasks not running on AWS US
Affected: Sigma - AWS (US)
Timeline · 3 updates
- investigating Jan 05, 2026, 09:38 PM UTC
We are currently investigating an issue affecting scheduled exports, materializations, and warehouse view updates on AWS US
- monitoring Jan 05, 2026, 11:13 PM UTC
A fix has been implemented and we are monitoring the results
- resolved Jan 05, 2026, 11:33 PM UTC
This incident has been resolved. The queued tasks should start recovering automatically
Degraded performance on PDF Exports
Affected: Sigma - GCP (US)Sigma - AWS (US)
Timeline · 4 updates
- investigating Dec 11, 2025, 04:21 PM UTC
We have received reports of errors causing PDF exports to fail. We are investigating the issue at the highest priority. Our preliminary investigations indicate the following: Impacted Cloud Regions & Services: AWS US and GCP US regions, PDF Exports User Experience: Timeout errors causing PDF export failures Incident Start Time: Approximately 13:00 UTC on 2025-12-11 We will provide updates on this page when we have pertinent status updates.
- investigating Dec 11, 2025, 05:29 PM UTC
We are continuing to investigate the issue at the highest priority. We will provide updates on this page when we have pertinent status updates.
- resolved Dec 11, 2025, 06:17 PM UTC
We have identified that PDF export failures were impacting a small percentage of our users. We applied mitigation steps and our monitoring indicates that this issue has been resolved. We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in the coming days. Impacted Cloud Regions & Services: AWS US and GCP US regions, PDF Exports User Experience: We expect impacted users' scheduled exports to succeed without the errors seen previously Incident Start Time: Approximately 13:00 UTC on 2025-12-11 Incident End Time: Approximately 17:50 UTC on 2025-12-11
- postmortem Dec 19, 2025, 12:56 PM UTC
Sigma Engineering has completed the postmortem of this incident. A Root Cause Analysis \(RCA\) is available on the Sigma Community site: [Post Mortem for Dec 11, 2025 incident - Degraded performance for Schedule PDF & PNG Exports, AWS US and GCP regions](https://community.sigmacomputing.com/t/post-mortem-for-dec-11-2025-incident-degraded-performance-for-schedule-pdf-png-exports-aws-us-and-gcp-regions/6401).
Sigma Service Disruption Due to Cloudflare Incident
Timeline · 1 update
- resolved Dec 05, 2025, 04:07 PM UTC
At 08:56 UTC Cloudflare's scheduled maintenance to their Web Application Firewalls failed and an incident was declared. At 09:12 UTC a fix was deployed and traffic was restored. Sigma's service was impacted by this incident, as this did not allow traffic to reach our servers. Our internal monitoring matches the incident timeline and indicated that customers may have experienced failures when using our services during this brief incident.
Service disruption affecting Azure-hosted customers
Affected: Sigma - Azure (US)Sigma - Azure (Europe)Sigma - Azure (Canada)Sigma - Azure (UK)
Timeline · 2 updates
- monitoring Oct 29, 2025, 04:57 PM UTC
We are currently investigating a partial service disruption affecting Azure-hosted customers. Users may notice issues with loading, displaying, or uploading images and other custom assets. Initial reports suggest this appears to be caused by an Azure CDN outage. We are actively monitoring the situation.
- resolved Oct 29, 2025, 10:29 PM UTC
This incident has been resolved.
Error rates and latencies in the AWS US-EAST-1 Region impacting third party services
Timeline · 1 update
- resolved Oct 20, 2025, 12:22 PM UTC
Starting at 7:11 UTC, AWS reported increased error rates and latencies for multiple services in the US-EAST-1 Region. At 10:35 UTC, AWS declared the incident in the US-EAST-1 region mitigated. While Sigma's service was not impacted by the incident, third party services that Sigma uses were impacted. Customers may have experienced intermittent delays or failures when accessing or using cloud data warehouse services during the incident. Contacting Sigma Support via Live Chat or email was disrupted during the incident. Incident Start Time: 7:11 UTC Incident End Time: 10:35 UTC
Outage affecting Sigma organizations hosted on Azure
Affected: Sigma - Azure (US)Sigma - Azure (Europe)Sigma - Azure (UK)
Timeline · 4 updates
- investigating Sep 21, 2025, 02:56 AM UTC
We are investigating an issue with Sigma organizations hosted on Azure that impacts login. We are treating this as our highest priority. Our apologies for any inconvenience caused. User Experience: Login page does not load
- monitoring Sep 21, 2025, 03:42 AM UTC
The issue is now mitigated. All Azure users should be able to log into Sigma without issue at this time.
- monitoring Sep 21, 2025, 03:43 AM UTC
We are continuing to monitor for any further issues.
- resolved Sep 21, 2025, 06:37 AM UTC
This incident has been resolved.