OptionalinstanceUnique identifier across instance types
OptionallocalNumber of local disks that are present on this instance.
OptionallocalSize of the individual local disks attached to this instance (i.e. per local disk).
OptionallocalNumber of local nvme disks that are present on this instance.
OptionallocalSize of the individual local nvme disks attached to this instance (i.e. per local disk).
This structure embodies the machine type that hosts spark containers Note: this should be an internal data structure for now It is defined in proto in case we want to send it over the wire in the future (which is likely)