ChangesNebiusRegion us-central1 partial degradation
Nebius: Major incident: Region us-central1 partial degradation
Summary
Summary pending. The diff below shows exactly what changed.
Incident page: the full timeline of updates
What changed
Struck in red is what Nebius removed; blue is what they added. Muted text is unchanged context.
Before: not present
After: Region us-central1 partial degradation
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After: major
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After: postmortem
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After: 2026-08-19 10:43 UTC
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After: 2026-08-20 08:16 UTC
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After: Compute Cloud, Managed Service for Kubernetes®, Managed Service for MLflow, Managed Service for PostgreSQL®, Managed Service for SkyPilot, Object Storage, Serverless AI, Token Factory, US-CENTRAL1 - Compute Cloud, US-CENTRAL1 - Managed Service for Kubernetes®, US-CENTRAL1 - Managed Service for MLflow, US-CENTRAL1 - Managed Service for PostgreSQL®, US-CENTRAL1 - Managed Service for SkyPilot, US-CENTRAL1 - Object Storage, US-CENTRAL1 - Serverless AI, US-CENTRAL1 - Token Factory, US-CENTRAL1 - Virtual Private Cloud (Networking), Virtual Private Cloud (Networking)
Before: not present
After: We are currently investigating this issue.
Before: not present
After: The root cause has been identified as overheating hardware. GPU performance is impacted, and some nodes may be unavailable.
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After: We are still experiencing temperature issues in the us-central1. Team is working on it
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After: The root cause was fixed, and the situation is stabilizing. The services are recovering.
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After: Services are gradually continuing to recover.
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After: Services are still gradually continuing to recover. Some virtual machines are already running, but not all of them.
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After: Services are still gradually continuing to recover. Many of the virtual machines are already running, but not all of them.
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After: Most nodes are operating normally. The Managed Service for Kubernetes® is experiencing a partial outage, and the team is actively working to restore it.
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After: Most nodes are operating normally. The Managed Service for Kubernetes® is still degraded, but the situation is improving.
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After: The Managed Service for Kubernetes is nearly fully restored, though a subset of nodes remains unavailable.
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After: Most critical issues have been resolved and the region is operational, though a subset of nodes remains unavailable.
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After: This incident has been resolved.
Before: not present
After: [https://nebius.com/blog/posts/incident-post-mortem-analysis-us-central1-service-disruption-on-august-19](https://nebius.com/blog/posts/incident-post-mortem-analysis-us-central1-service-disruption-on-august-19)
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History of this incident
Wednesday, August 19
1 incident change
- MajorMajor incident
Region us-central1 partial degradationthis change