of RSC-1 and RSC-2 footprint flagged as lemon nodes (1.2% / 1.7%); removal cut 512+ GPU job failures from 14% to 4% (+30% completion)
1.2–1.7%observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Meta's detector flagged 40 nodes (24 on RSC-1, 16 on RSC-2) with over 85% accuracy; the 1.2% and 1.7% are the two clusters' separate shares, not a range for one fleet. The 14% to 4% drop applies to jobs using 512+ GPUs. |
| As of | 2024-10 |
| Source | Meta, Revisiting Reliability · Section IV-A, Identifying and Repairing Lemon Nodes (v1 and v2 text identical) |
| Review | checking…review by 2027-10-16 · fast cadence |
| Recorded changes | last 2026-10-16 · 2 revisions tracked |
| Claim id | of-fleet-flagged-as-lemon-nodes-ejection-cut |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.