Instance group description.
|DesiredVMCount||int||Expected number of instances.|
|InstanceType||String||Type of the constructed instance. This setting can overwrite the setting of the cluster.|
|ResourceType||String||Resource type.”OnDemand” and “Spot” are supported.|
|SpotStrategy||String||Bidding strategy for an instance. It takes effect only when ResourceType is Spot.
SpotWithPriceLimit: Set the maximum price for the spot instance.
SpotAsPriceGo: The system provides a price automatically. The maximum value is the Pay-As-You-Go price.
|SpotPriceLimit||Float||Maximum price of an instance per hour (the price of each type of instance, not the price for each hour).The value can contain at most three decimals. It takes effect when SpotStrategy is SpotWithPriceLimit.|