# Rules

In the **Rules** tab, you can make some configurations that will be considered in the Node idleness assessment:

<figure><img src="https://1687673077-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ9sinLUl52lDK1vg6b8g%2Fuploads%2FeWrfy2OfUzHrMeoVxXxt%2Fimage.png?alt=media&#x26;token=0cf4fb29-a49d-45e3-af20-3ab27b4c032a" alt=""><figcaption></figcaption></figure>

* **Nodes with low CPU usage Percentage**: Enter the minimum CPU percentage that we should take into account, to define whether the node is idle or not.

<figure><img src="https://1687673077-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ9sinLUl52lDK1vg6b8g%2Fuploads%2FqjU1TJenKqAynvMOTAf7%2Fimage.png?alt=media&#x26;token=cfd13892-a80e-42a1-afb8-444503fffee0" alt=""><figcaption></figcaption></figure>

* **Nodes with low RAM usage Percentage**: Enter the minimum RAM percentage that we must take into account to define whether the node is idle or not.

<figure><img src="https://1687673077-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ9sinLUl52lDK1vg6b8g%2Fuploads%2FI4QL6KISEkc4J3O1idPb%2Fimage.png?alt=media&#x26;token=2da4a150-ad44-4e3e-bf81-6c6deaaa9234" alt=""><figcaption></figcaption></figure>

* **Nodes with Low Usage - Usage Period**: Enter the number of days that must be considered to define whether the node is idle or not.

<figure><img src="https://1687673077-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ9sinLUl52lDK1vg6b8g%2Fuploads%2FmiTQ6yB02llBye6dysQ4%2Fimage.png?alt=media&#x26;token=827c33e8-2c12-4b5a-a65e-a5f16f7c13c8" alt=""><figcaption></figcaption></figure>

Finally, by clicking the **Save** button, the configuration will be made and applied for Kubernetes functionality.