[Yandex Cloud documentation](../../index.md) > [Yandex Managed Service for Apache Airflow™](../index.md) > [Concepts](index.md) > Maintenance

# Maintenance in Yandex Managed Service for Apache Airflow™

Maintenance includes:

* Automatic installation of Apache Airflow™ updates and revisions for cluster [components](index.md#components) (including for disabled clusters).
* Other maintenance activities.

## Maintenance window {#maintenance-window}

You can set the maintenance window when [creating a cluster](../operations/cluster-create.md) or [updating its settings](../operations/cluster-update.md):

* The **At any time** option (default) allows performing maintenance at any time.
* The **By schedule** option allows you to select the day of the week and UTC time when the maintenance will be performed. For example, you can choose a time when the cluster is least loaded.

{% note info %}

To view maintenance task information, you need the `managed-airflow.maintenanceTask.viewer` [role](../security/index.md#managed-airflow-maintenanceTask-viewer) or higher.

To manage maintenance tasks, you need the `managed-airflow.maintenanceTask.editor` [role](../security/index.md#managed-airflow-maintenanceTask-editor) or higher.

{% endnote %}

## Useful links {#see-also}

* [Managing maintenance in a Managed Service for Apache Airflow™ cluster](../operations/cluster-maintenance.md)