Changes / Sigma Computing / Scheduled Backend Tasks not running on AWS US
Sigma Computing: Major incident: Scheduled Backend Tasks not running on AWS US
Summary
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.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
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After: Scheduled Backend Tasks not running on AWS US
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After: major
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After: resolved
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After: 2026-01-05 21:38 UTC
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After: 2026-01-05 23:33 UTC
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After: AWS - Sigma - AWS (US), Sigma - AWS (US)
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After: We are currently investigating an issue affecting scheduled exports, materializations, and warehouse view updates on AWS US
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After: A fix has been implemented and we are monitoring the results
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After: This incident has been resolved. The queued tasks should start recovering automatically
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Scheduled Backend Tasks not running on AWS US (this change) 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 |
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