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Configuring AutoScale
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Configuration
Specify the following:
• Template: A template consists of a base OS image and application. A template is used to provision
the new instance of an application on a scaleup action. When a VM is deployed from a template, the
VM can start taking the traffic from the load balancer without any admin intervention. For example,
if the VM is deployed for a Web service, it should have the Web server running, the database
connected, and so on.
• Compute offering: A predefined set of virtual hardware attributes, including CPU speed, number
of CPUs, and RAM size, that the user can select when creating a new virtual machine instance.
Choose one of the compute offerings to be used while provisioning a VM instance as part of scaleup
action.
• Min Instance: The minimum number of active VM instances that is assigned to a load balancing
rule. The active VM instances are the application instances that are up and serving the traffic,
and are being load balanced. This parameter ensures that a load balancing rule has at least the
configured number of active VM instances are available to serve the traffic.