[{"id":"IL-0478","title":{"en":"A failed GPU network adapter made NCCL silently reroute through GPU 0's adapter and slowed MoE training steps","ko":"GPU 한 개의 네트워크 어댑터가 고장 났는데 NCCL이 알림 없이 통신을 우회시켜 MoE 학습 스텝이 느려졌다"},"org":"Amazon","org_slug":"amazon","date":"2026-05-18","severity":"unknown","root_cause":"hardware-failure","url":"https://benchlet.com/incidentlib/app/cases/IL-0478","shared_components":["network-link"]},{"id":"IL-0418","title":{"en":"Machine, ICI link and optical circuit switch failures interrupted training jobs on Google's TPU v4 supercomputers","ko":"TPU v4 슈퍼컴퓨터에서 장비, ICI 링크, 광 회로 스위치가 고장 나 학습 작업 약 1% 가 멈추거나 느려졌다"},"org":"Google","org_slug":"google","date":"2024-04-16","severity":"unknown","root_cause":"hardware-failure","url":"https://benchlet.com/incidentlib/app/cases/IL-0418","shared_components":["network-link"]},{"id":"IL-0540","title":{"en":"Korea's local government administrative services and Government24 went down as a router port dropped most large packets","ko":"센터 사이를 잇는 라우터의 포트에서 큰 패킷이 유실돼 지방행정전산서비스와 정부24가 하루 넘게 멈췄다"},"org":"Korea Ministry of the Interior and Safety","org_slug":"korea-ministry-of-the-interior-and-safety","date":"2023-11-17","severity":"unknown","root_cause":"hardware-failure","url":"https://benchlet.com/incidentlib/app/cases/IL-0540","shared_components":["network-link"]}]