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mean-time-to-failure of 1,024-GPU jobs vs 47.7 days for 8-GPU jobs on Meta's RSC research clusters

7.9 hrobserved

Value kindobserved — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range.
ScopeObserved job MTTF on two named Meta research clusters over 11 months. The paper's 16,384- and 131,072-GPU figures (1.8 h and 0.23 h) are projections. Not a universal scaling curve.
As of2024-10
SourceMeta, Revisiting Reliability in Large-Scale ML Clusters (arXiv 2410.21680)
Reviewchecking…review by 2027-10-16 · standard cadence
Recorded changeslast 2026-10-16 · 2 revisions tracked
Claim idmean-time-to-failure-of-a-1-024-gpu-job-vs-47-7

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