# go down.
MaxComputeVMs: 64
- # Preemptible instance support (e.g. AWS Spot Instances)
- # When true, child containers will get created with the preemptible
- # scheduling parameter parameter set.
- UsePreemptibleInstances: false
+ # Schedule all child containers on preemptible instances (e.g. AWS
+ # Spot Instances) even if not requested by the submitter.
+ #
+ # If false, containers are scheduled on preemptible instances
+ # only when requested by the submitter.
+ #
+ # Note that arvados-cwl-runner does not currently offer a
+ # feature to request preemptible instances, so this value
+ # effectively acts as a cluster-wide decision about whether to
+ # use preemptible instances.
+ #
+ # This flag is ignored if no preemptible instance types are
+ # configured, and has no effect on top-level containers.
+ AlwaysUsePreemptibleInstances: true
# PEM encoded SSH key (RSA, DSA, or ECDSA) used by the
# cloud dispatcher for executing containers on worker VMs.