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title: Monitoring
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# Monitoring

The **Monitoring** tab shows resource-utilization graphs for the scale group's nodes. It is available when the group is **Running** or **Scaling**.

The graphs cover the same signals the elastic policy can scale on — primarily **CPU**, along with **memory** and **disk** utilization — so you can correlate scaling activity with load. Select a time range to widen or narrow the window.

Because the **CPU** metric (and any custom metric you publish) is what the elastic policy evaluates, use this tab to verify that:

- Utilization rises and falls as you expect under load.
- Scale-up happens after the metric stays above your threshold for the watch period.
- Scale-down happens after it falls below the lower threshold.

For the scaling actions that the metrics trigger, see the [Audit Logs and Activity Timeline](/docs/myaccount/auto-scaling/manage/logs). To see the individual nodes being added and removed, see [Node Details](/docs/myaccount/auto-scaling/manage/nodes).

:::tip
If the group is not scaling the way you expect, compare the Monitoring graph against your policy thresholds and watch period on the [Scale Group Details](/docs/myaccount/auto-scaling/manage/scale-group-details) tab. A threshold that is never crossed, or a watch period that is too long, are the most common reasons a group does not scale.
:::

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## Related Resources

| Resource                                                                                   | Use it for                                 |
| ------------------------------------------------------------------------------------------ | ------------------------------------------ |
| [Manage Scale Groups](/docs/myaccount/auto-scaling/manage)                                 | Return to the management hub.              |
| [Scale Group Details and Editing](/docs/myaccount/auto-scaling/manage/scale-group-details) | Review and tune policy thresholds.         |
| [Custom Scaling Policies](/docs/myaccount/auto-scaling/features/custom-policy)             | Publish a custom metric to scale on.       |
| [Logs and Timeline](/docs/myaccount/auto-scaling/manage/logs)                              | See the scaling actions metrics triggered. |

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