Scaling Policy Types

onap.policies.scaling.Fixed

The simplest scaling policy. Tells the orchestrator to always maintain the specified number of instances.

Definition



onap.policies.scaling.Fixed: derived_from: tosca.policies.Scaling description: An instruction to keep the specified number of instances over time properties: quantity: type: integer description: the exact number of instances to maintain

 

onap.policies.scaling.Variable

This scaling policy instructs the orchestrator to scale the target resource/group out and in dynamically.

Definition



onap.policies.scaling.Variable: derived_from: tosca.policies.Scaling description: An instruction to the orchestrator to maintain the number of instances within the specified range, increasing or decreasing the number of instances when necessary. properties: init_quantity: type: integer required: false description: the initial number of instances min_quantity: type: integer required: false description: the lower limit for the number of instances (inclusive) max_quantity: type: integer required: false description: the upper limit for the number of instances (inclusive) step_up: type: integer required: false description: increment size default: 1 step_down: type: integer required: false description: decrement size default: 1