Companies/Nebius/Incidents

Nebius: InfiniBand performance degradation

Affected components: Compute CloudUK-SOUTH1 - Compute Cloud

Timeline of updates

1. investigating2026-05-13 18:45 UTC

   We are investigating reduced InfiniBand fabric performance affecting GPU workloads in the uk-south1 region. Customers may observe lower throughput and slower distributed training jobs.

2. resolved2026-05-13 21:05 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

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