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To help you detect and address changing demand for resources, the platform has 's Control features that include monitoring alerts with notifications, action plans for automation, and vertical and horizontal autoscaling. These features may depend on the configuration of VM monitoring and metrics and Cloud Alarms v44 v44, so you may like to set these up first. You To use scaling, you should also define scaling groups for your individual VMs as described below. To use these features go to Control view and then select the Alert or Action plans tabthe VMs you want to scale, see Define scaling for a VM. The Control view has Alert and Action plans tabs.
Basic control and scaling concepts
Before you work with control features, please familiarize yourself with these basic concepts.
Alarms
An alarm activates when a metric passes a certain threshold. If you imagine a dashboard for your metrics, alarms are like red lights that light up when conditions change, for example, when there is a problem.
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Create Alerts and Alarms
To configure alerts, go to Control view → Alerts.
In order to create an alert, you will need to select or create its alarms, which require metrics. If you haven't configured metrics yet, see VM monitoring and metrics.
If you want For more details about alarms, or if you want to create alarms firstonly, without associating them with alerts, see Cloud Alarms v44 v44.
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