[Openstack] [openstack] Autoscaling

m.channappa.negalur at accenture.com m.channappa.negalur at accenture.com
Tue Feb 3 15:17:34 UTC 2015

Hello All,

I have a small query in autoscaling .

In heat auto scaling template we specify max_size as 3 , it means it can launch upto 3 instances ?. I,e once high cpu load , crosses  the threshold level  it will launch first vm (as scaling_adjustment : 1) and if that load continues to remain same or increasing then the load will be distributed on my second vm.  If load is still keep on increasing will it trigger 3rd  vm as max_size is 3 ..?  is my assumptions correct.

type: OS::Heat::AutoScalingGroup
      min_size: 1
      max_size: 3


type: OS::Heat::ScalingPolicy
      adjustment_type: change_in_capacity
      auto_scaling_group_id: {get_resource: test}
      cooldown: 180
      scaling_adjustment: 1

Warm Regards,
Malleshi CN


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