Choosing your cluster type
Choose the cluster type and configuration that meets your availability requirements.
Select the cluster type names in the table heading for more information on each type and configuration.
| Consideration | Single node | Primary/Standby HA | HA + standby replica | Distributed HA single region | Distributed HA multi-region |
|---|---|---|---|---|---|
| Data replication | None | Physical | Physical | Logical | Logical |
| Region | Single | Single | Multi | Single | Multi |
| VM failure tolerance | ✅ | ✅ | ✅ | ✅ | ✅ |
| AZ failure tolerance | TBD | ✅ | ✅ | ✅ | ✅ |
| Region failure tolerance | TBD | TBD | ✅ | TBD | ✅ |
| Recovery time objective | varies | 35s-60s | varies | 0 | 0 |
| Recovery point objective | <5 min | 0 | <5 min | 0 | 30s (configurable) |
| Service level agreement | 99.5% | 99.99% | 99.99% | 99.99% | 99.995% |