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Copy file name to clipboardExpand all lines: articles/app-service/manage-scale-up.md
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title: Scale up features and capacities
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description: Learn how to scale up an app in Azure App Service. Get more CPU, memory, disk space, and extra features.
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ms.assetid: f7091b25-b2b6-48da-8d4a-dcf9b7baccab
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ms.topic: article
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ms.date: 05/08/2023
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ms.topic: how-to
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ms.date: 08/26/2024
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ms.author: msangapu
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author: msangapu-msft
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---
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# Scale up an app in Azure App Service
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This article shows you how to scale your app in Azure App Service. There are two workflows for scaling, scale up and scale out, and this article explains the scale up workflow.
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*[Scale up](https://en.wikipedia.org/wiki/Scalability#Horizontal_and_vertical_scaling): Get more CPU, memory, disk space, and extra features
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*[Scale up](https://en.wikipedia.org/wiki/Scalability#Horizontal_and_vertical_scaling): Get more CPU, memory, or disk space, or extra features
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like dedicated virtual machines (VMs), custom domains and certificates, staging slots, autoscaling, and more. You scale up by changing the pricing tier of the
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App Service plan that your app belongs to.
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*[Scale out](https://en.wikipedia.org/wiki/Scalability#Horizontal_and_vertical_scaling): Increase the number of VM instances that run your app.
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Basic, Standard and Premium service plans scale out to as many as 3, 10 and 30 instances respectively. [App Service Environments](environment/intro.md)
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in **Isolated** tier further increases your scale-out count to 100 instances. For more information about scaling out, see
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Basic, Standard, and Premium service plans scale out to as many as 3, 10, and 30 instances, respectively. [App Service Environments](environment/intro.md)
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in the Isolated tier further increase your scale-out count to 100 instances. For more information about scaling out, see
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[Scale instance count manually or automatically](/azure/azure-monitor/autoscale/autoscale-get-started). There, you find out how
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to use autoscaling, which is to scale instance count automatically based on predefined rules and schedules.
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>[!IMPORTANT]
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> [App Service now offers an automatic scale-out option to handle varying incoming HTTP requests.](./manage-automatic-scaling.md)
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> [App Service offers an automatic scale-out option to handle varying incoming HTTP requests.](./manage-automatic-scaling.md)
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>
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The scale settings take only seconds to apply and affect all apps in your [App Service plan](../app-service/overview-hosting-plans.md).
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For information about the pricing and features of individual App Service plans, see [App Service Pricing Details](https://azure.microsoft.com/pricing/details/web-sites/).
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> [!NOTE]
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> Before you switch an App Service plan from the **Free** tier, you must first remove the [spending limits](https://azure.microsoft.com/pricing/spending-limits/) in place for your Azure subscription. To view or change options for your Microsoft Azure App Service subscription, see [Microsoft Azure Subscriptions][azuresubscriptions].
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> Before you switch an App Service plan from the Free tier, you must first remove the [spending limits](https://azure.microsoft.com/pricing/spending-limits/) in place for your Azure subscription. To view or change options for your App Service subscription, see [Cost Management + Billing][azuresubscriptions] in the Azure portal.
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>
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>
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1. In the **Overview** page for your app, select the **Resource group** link.
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2.In the **Summary**part of the **Resource group** page, select a resource that you want to scale. The following screenshot
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2.On the **Overview**page for the resource group, select a resource that you want to scale. The following screenshot
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shows a SQL Database resource.
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To scale up the related resource, see the documentation for the specific resource type. For example, to scale up a single SQL Database, see [Scale single database resources in Azure SQL Database](/azure/azure-sql/database/single-database-scale). To scale up an Azure Database for MySQL resource, see [Scale MySQL resources](/azure/mysql/concepts-pricing-tiers#scale-resources).
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To scale up the related resource, see the documentation for the specific resource type. For example, to scale up a single SQL database, see [Scale single database resources in Azure SQL Database](/azure/azure-sql/database/single-database-scale). To scale up an Azure Database for MySQL resource, see [Scale Azure Database for MySQL resources](/azure/mysql/concepts-pricing-tiers#scale-resources).
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<aname="OtherFeatures"></a>
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<aname="devfeatures"></a>
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## Compare pricing tiers
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For detailed information, such as VM sizes for each pricing tier, see [App Service Pricing Details](https://azure.microsoft.com/pricing/details/app-service).
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For detailed information, such as VM sizes for each pricing tier, see [App Service Pricing Details](https://azure.microsoft.com/pricing/details/app-service/windows/).
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For a table of service limits, quotas, and constraints, and supported features in each tier, see [App Service limits](../azure-resource-manager/management/azure-subscription-service-limits.md#app-service-limits).
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<aname="Next Steps"></a>
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## More resources
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## Related content
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*[Scale instance count manually or automatically](/azure/azure-monitor/autoscale/autoscale-get-started)
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*[Get started with autoscale in Azure](/azure/azure-monitor/autoscale/autoscale-get-started)
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*[Configure Premium V3 tier for App Service](app-service-configure-premium-tier.md)
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*[Tutorial: Run a load test to identify performance bottlenecks in a web app](../load-testing/tutorial-identify-bottlenecks-azure-portal.md)
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