Changes / Census / Sync Outage in azure-eastus region
Census: Major incident: Sync Outage in azure-eastus region
Summary
Census reported a major Sync Engine outage in azure-eastus starting 2026-10-01 14:20 UTC, with syncs failing amid spotty Azure Redis connectivity. Redis connectivity was restored and syncs were completing successfully by 2026-10-01 15:14 UTC; the incident was resolved at 2026-10-01 17:36 UTC, lasting 3 h 16 min.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: Sync Outage in azure-eastus region
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-10-01 14:20 UTC
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After: 2026-10-01 17:36 UTC
Before: not present
After: Sync Engine
Before: not present
After: Syncs running in our azure-eastus region are currently not succeeding due to a partial service outage
Before: not present
After: Connectivity to Azure Redis continues to be spotty in azure-eastus. Some syncs may see recovery, at least intermittently.
Before: not present
After: Connectivity to Redis in azure-eastus too has been restored. Syncs are now completing successfully. We are continuing to monitor the situation.
Before: not present
After: This incident has been resolved.
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History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Sync Outage in azure-eastus region (this change) Census reported a major Sync Engine outage in azure-eastus starting 2026-10-01 14:20 UTC, with syncs failing amid spotty Azure Redis connectivity. Redis connectivity was restored and syncs were completing successfully by 2026-10-01 15:14 UTC; the incident was resolved at 2026-10-01 17:36 UTC, lasting 3 h 16 min. | Major incident |