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
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