OpenNebula — Questions¶

Open Questions¶

How does the gRPC API (v7.2) compare to the legacy XML-RPC API in terms of latency and throughput at 1,000+ concurrent operations?
What is the maximum tested cluster size for OpenNebula (number of hosts and VMs)?
How does OneDRS AI placement compare to VMware DRS in production environments?
What is the production maturity of LXC support in v7.2?

Is OpenNebula truly simpler than OpenStack? → Yes — single daemon (oned) vs 30+ distributed services. Installations take hours vs weeks.
Does OpenNebula support NVIDIA GPUs? → Yes — native NVSwitch, NVLink, Fabric Manager, BlueField DPU support in v7.2. See infrastructure/opennebula/index#v7.2 Highlights (April 2026).
Can OpenNebula replace VMware? → Yes — explicit VMware migration tooling and positioning as a VMware alternative. See infrastructure/opennebula/index.
What hypervisors are supported? → KVM (primary), LXC, Firecracker. VMware for migration only.