Google Evidence

One holdback node per 20 nodes

Catalog row in Vendor License Evidence · Cited

Kind: Quote
Excerpt: To confirm the capacity for live migration, Compute Engine reserves 1 holdback node for every 20 nodes that you reserve.
Locator: Sole-tenant nodes, Migrate within node group host maintenance policy
Supports rules: Per-core BYOL: restart-in-place or migrate-within-node-group host maintenance
Related metrics: Sole-tenant node
Sources: Sole-tenant nodes (Compute Engine)