Nebius incident

InfiniBand performance degradation

Minor Resolved View vendor source →

Nebius experienced a minor incident on May 13, 2026 affecting Compute Cloud, lasting 2h 19m. The incident has been resolved; the full update timeline is below.

Started
May 13, 2026, 06:45 PM UTC
Resolved
May 13, 2026, 09:05 PM UTC
Duration
2h 19m
Detected by Pingoru
May 13, 2026, 06:45 PM UTC

Affected components

Compute Cloud

Update timeline

  1. investigating May 13, 2026, 08:22 PM 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. resolved May 13, 2026, 09:05 PM UTC

    This incident has been resolved.