Before using Spot machines in #databricks, it's a good idea to check their eviction rates in your region. Azure Resource Graph Explorer and that simple query will help.
SpotResources
| where type =~ 'microsoft.compute/skuspotevictionrate/location'
| where location in~ ('uksouth')
| where sku.name in~ (
'Standard_DS3_v2', 'Standard_D96AS_V5'
)
| project sku.name, properties.evictionRate