Companies / Sigma Computing / changes
Sigma Computing change history
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Service Degradation for writeback functionality on Databricks connections Sigma reported a major degradation affecting CSV uploads to Sample Connection and potentially Databricks writeback functionality, including Input Tables, caused by a Databricks AWS US West 2 service interruption. The incident started at 2026-10-12 15:11 UTC and was resolved at 2026-10-12 18:17 UTC, lasting 3 h 6 min; writeback failures were no longer occurring. | Major incident | |
| Major incident: Export Failures Incident Sigma Computing reported a major incident affecting password-authentication logins and scheduled exports across Azure, AWS and GCP, linked to an email-service disruption. Recorded from 2026-09-26 15:25 UTC to 2026-09-26 16:11 UTC (45 min), it was resolved after a fix; updates separately cited an approximate start of September 26, 2026, at 11:24 AM UTC. | Major incident | |
| Major incident: Databricks Azure East US query timeout A major incident caused query execution failures and timeouts for Sigma connections to Databricks Azure East US, attributed to a Databricks service interruption. It started at 2026-09-14 19:31 UTC and was resolved at 2026-09-14 22:53 UTC, lasting 3 h 21 min; warehouse connections returned to normal. | Major incident | |
| Critical incident: Widespread failures are preventing Sigma from loading for GCP-hosted organizations. A critical outage prevented GCP-hosted organizations in us-central1 from reliably accessing Sigma. The recorded incident ran from 2026-09-01 15:34 UTC to 2026-09-01 16:55 UTC (1 h 20 min), though Sigma reported an approximate start of 2:46 PM UTC. The postmortem attributed the disruption to a Google Cloud networking incident; services returned to normal. | Major incident | |
| Major incident: Issue with Burst email exports are resolved Sigma Computing reported a major outage of Burst email exports starting 2026-03-05 10:10 UTC, lasting 4 days 7 h until resolution at 2026-03-09 17:31 UTC; standard exports remained operational. Engineers deployed a fix and re-enabled Burst Email Exports at 03-07 01:27 UTC, with no recurring problems observed during subsequent monitoring. | Major incident | |
| Major incident: Chat Support experiencing 3rd party outage Sigma Computing’s major chat support outage ran from 2026-01-09 20:33 UTC to 2026-01-09 22:23 UTC, lasting 1 h 49 min. Third-party provider Intercom experienced an outage and reported implementing a fix; Sigma confirmed chat support was fully operational at resolution. Customers were directed to submit support tickets for urgent requests and warned of slower responses. | Major incident | |
| Major incident: Scheduled Backend Tasks not running on AWS US Sigma Computing reported a major AWS US outage affecting scheduled exports, materializations, and warehouse view updates from 2026-01-05 21:38 UTC to 2026-01-05 23:33 UTC, lasting 1 h 55 min. A fix was implemented, and Sigma stated that queued tasks should start recovering automatically after resolution. | Major incident | |
| Major incident: GCP Outage affecting Sigma organizations hosted on multiple cloud providers A GCP outage caused major errors for Sigma organizations on GCP, with possible impact on other cloud providers. Sigma reported onset at approximately 17:55 UTC June 12, 2025; the archived incident spans 2025-06-12 18:58 UTC to 2025-06-12 21:25 UTC (2 h 26 min), ending with full recovery. | Major incident | |
| Major incident: Snowflake tables not loading on AWS US West 2 | Major incident | |
| Major incident: Users Unable To Contact Live Chat Support | Major incident | |
| Critical incident: Outage affecting Sigma organizations hosted on GCP | Major incident | |
| Critical incident: Sigma organizations hosted on AWS US are not loading | Major incident | |
| Major incident: Users unable to enter edits to Workbooks | Major incident | |
| Critical incident: Query failures for select organizations connected to Snowflake | Major incident | |
| Critical incident: Unable to login and load workbooks for Sigma AWS US | Major incident | |
| Major incident: Workbooks not loading for Sigma users on AWS Snowflake | Major incident | |
| Critical incident: Workbooks cannot be opened for all Azure-hosted orgs | Major incident | |
| Major incident: Materialization failures impacting GCP cloud-hosted orgs | Major incident | |
| Major incident: Incorrect timestamps returned from warehouse for some customers | Major incident | |
| Major incident: Exports with Color Conditional Formatting of "None" Failing | Major incident | |
| Major incident: Scheduled exports using image (PNG) files erroring | Major incident |