g. Apr 4, 2017 · Here are some benefits of using Swap with Preview. Function apps running under the Apps Service plan may Sep 13, 2022 · Error: BadRequest - Cannot swap slots for site 'service1' because the application initialization in 'staging' slot either took too long or failed. Microsoft cover in depth what happens when you commence a swap, but what they don’t cover is Nov 7, 2018 · We have a . . You'll now see the new slot in the list of deployment slots. Yes, application initialization configuration would help in that case: iis-80 May 8, 2023 · You can create 5 of your each function app in 2 different slots each, One in Production slot and another in Staging slot like below:-. In the ‘Clone settings from:’ select the deployment slot Aug 3, 2016 · Repeat this from the web app blade for your deployment slot to get the Site-Level credentials for that web app (slot). I was thinking that I would be charged for each App Service. Dec 2, 2022 · Origin group. Dec 12, 2019 · In above picture, Blue is Production Slot of Azure Web app service and Green is Staging Slot. <outputCacheSettings>. Jun 4, 2023 · Deployment slots are a feature of Azure App Service that allow you to create separate environments for testing, staging, or other purposes without the need for separate App Service plans. azure. Save the downloaded file. Aug 31, 2023 · Azure App Service is a fully managed platform as a service (PaaS) for hosting web applications. Dec 2, 2022 · Type “nslookup backend-web-app-name. Deploying an app to a slot first and swapping it into production makes sure that all instances of the slot are warmed up before being swapped into production. 5,551. You can host up to 100 apps in a single app service plan, but the key thing to know here is that as with the free plan you are charged per app, not per app service plan. When that happens the application will restart on all VMs at the same time which may result in a cold start and Nov 3, 2015 · 0. But since they are part of a shared resource, usage on a staging slot can effect the overall performance of the VM. Apr 5, 2021 · Azure App service deployment slots allow your application to run different instances, called ‘slots’, at the same time. Click Add. In the Settings tab, click the Source drop-down list and choose GitHub. In the case of the Deployment Slots, I would have left the first one at 100% for traffic and the rest 0%. Slots are different environments exposed via a publicly available endpoint. One app instance is always mapped to the production slot, and you can swap instances assigned to a slot on demand. Publish the Deployment The full json code : Dec 26, 2021 · 1. Each App Service plan tier supports a different number of deployment slots. Add the Slot configuration into the deployment file. Oct 17, 2019 · 2. These credentials are not the same as your Azure subscription credentials. Step 3. All deployment slots share the app service so you need to make sure the traffic patterns and intended use of all slots are the same. Make sure you select the resource with the type “App Service. It is possible to have a single production database shared by staging and production Azure App Service slots, and still having zero-downtime deployments. The app is . Azure App Service makes it easy to deploy a new version of an app to production, but you’d normally want to test it thoroughly first. I think Azure App service offers only 50gb storage. Action. Select “Web App” or search for it if you don’t see it. I had to publish the app first using dotnet publish -c release and then deploy to a slot like mentioned in this answer and selecting the publish folder Using Deployment Slots in Azure App Service. net core app hosted on Azure App Service. Select the Best Practices tile. Because Azure App Service deployment slots are treated like full-fledged application service instances, you need to enable the site extension for OneAgent on each deployment slot you want to monitor with Dynatrace. To scale up an App Service plan's pricing tier, see Scale up an app in Azure. Expand table. The YAML for the task is shown below: 1-task: AzureCLI@2. Nov 4, 2018 · 5. We currently have no deployment slots, so let's add one by clicking on Add Slot. Dec 21, 2018 · Dec 21, 2018. You'll use the contents of the file to create a GitHub secret. (See Figure 3-19 . May 17, 2019 · If your function app uses a regular App Hosting Plan (Free, Shared, Basic, Standard, Premium) then these limits do not apply. Important. 2displayName:'Create and Configure Slot'. Deploy new version to the staging slot: Deploy the new version of your application to Oct 4, 2023 · Step 3: Deploy your package. In Azure App Services, you can very easily add an additional deployment slot. We often deploy to staging, do some testing and swap to proc. Apr 23, 2024 · Show 3 more. Select OK. Step 2. Work with . Suppose that you have a Web App deployed in an Azure App Service and it has a URL like production. Packages. However, a staged site may incur other costs on Azure. This is fine for a normal web applications, but If I have a web app where I am also doing other stuff like reading messages from queues, running workers in the background etc. The 10 Web Apps would require storage capacity far more than 50gb; is it scalable or can we link each of these Apps to an Azure storage account. The HTTP setting should be configured to connect to your app service URL accordingly. ms/azuretipsan Jun 30, 2021 · Making use of the Azure CLI Task available within Azure DevOps enables you to call the necessary Azure CLI commands to create and configure a staging deployment slot for your app service. Find and fix vulnerabilities. This means you create multiple instances of Azure App Service and use them for testing or staging purposes. azurewebsites. I'm using the azurewebsite. If you have multiple deployment slots for an app, all deployment slots also run on the same VM instances. Click All resources. 9/5. --container-registry-password -w. In addition to the production slot we have a QA slot. Azure App Service Plan Premium (v2) supports = 20 and standard supports = 5 deployment slots. Write a name for slot – if you name it as staging, you can access that using -. Click on Deployment Slot - Add Slot. Step 2: Click on Add Slot . Deploying to a deployment slot and then swapping into production after verification is the recommended way to configure continuous deployment. When you pick the shared plan it is charged per instance in the app service plan. Apr 18, 2020 · I've tried restarting the deployment slot in order to flush the cache before swapping, but this doesn't help. Select the Deployment slots menu. Apr 7, 2022 · Let's say I have 2 azure functions: Fun A & Fun B. So you need a testing environment that’s as close as possible to your production environment. You can deploy your WAR, JAR, or EAR package to App Service to run your Java web app using the Azure CLI, PowerShell, or the Kudu publish API. Use web app's name to refer to the production slot. Enabling productivity and innovation for more than 2 million apps and sites on Azure. Using one of the following tools: - Visual Studio. The way that you deploy to a slot depends on the specific Jan 20, 2023 · Here are the general steps to switch deployment slots in Azure App Service without any downtime: Create a new deployment slot: In the Azure portal, navigate to your App Service, and under "Deployment slots" click on "+Add slot" to create a new deployment slot. The container registry server password. - Visual Studio Code. Once the slot starts getting prepared for the swap, a warm up request is made to the root directory of the site on every instance. In a blue-green deployment, two identical environments, referred to as "blue" and "green," are set up. yourappname-staging. config file looks like: <location path May 4, 2023 · Deployment Slots: Azure Web App does not enable deployment slots. Fun A has 2 slots - production, staging and Fun B has 2 slots - production, staging. You can enter the name of deployment slot in the Deployment Slot field, or to use a variable for the Slot name, click the “Bind” button, and enter. We want to keep this application completely private and allow connections only to / from the internal on-Premise subnet. 2022-05-24T12:19:34. More Info; Create a GitHub Actions secret called AZURE_CREDENTIALS with the SP Note: As of June 2022, there was a breaking change introduced in later versions of the Azure CLI command which generates the SP. Oct 8, 2017 · Step 1. Until the Jun 29, 2017 · 31. May 12, 2014 · Deployment slots in Azure Websites expanded to 4+1 slots. Function 2:-. Step 1: Once you have a WordPress website on Azure App Service (See how to create one here), go to the App Service Overview. This time we will add blue-green deployment on top of that, using App Service deployment slots. You can activate the feature by the Azure portal in the App Service Environment configuration pane, or through the following CLI: Jan 8, 2024 · Go to your web app in the Azure portal. They can, however, generate a lot of confusion if you don't fully understand Feb 1, 2023 · Azure Functions deployment slots allow your function app to run different instances called "slots". Use the following resources to get started with . You then add another virtual application named /api pointing to site\wwwroot\api: When adding the virtual application, remember to remove checkbox for Aug 30, 2022 · In this edition of Azure Tips and Tricks, learn how to use Deployment Slots in Azure App Service. For this setup we also use an Azure Database for MySQL Server and there we create two databases, Apr 3, 2023 · Blue Green-Deployment – Deployment Slot Example. 7. Write better code with AI. Jun 22, 2021 · Here are the steps -. To minimise downtime during deployment, I deploy to staging slots first, and then swop the staging slots into production slots to complete deployment. Here you already have the default virtual application / pointing to site\wwwroot. <outputCacheProfiles>. Dec 26, 2022 · Azure App Service with Terraform, deployment slots and app settings. One environment (blue) is running the current application version and one Dec 22, 2019 · To enable this virtual application, navigate to Configuration and then Path mappings in your App Service. In this module you'll learn how slot swapping operates and how to perform a swap. This will open the overview page of Nov 14, 2018 · Azure deployment slots are a fantastic feature of Azure App Services. Use deployment slots to deploy your source code to a staging environment and warm up the environment before deploying to your production slot. It illustrates a blog post published here. website. Simply put, since multiple instances of Azure Web App cannot be created, deployment slots cannot be used with Azure Web App. A used slot does not cause extra charges as far as the App Service pricing goes. If you enable diagnostic logs, perform backups, or run WebJobs, they also use CPU cycles and memory on these VM instances. ”. Scale up: Get more CPU, memory, disk space, and extra features like dedicated virtual machines (VMs), custom domains and certificates, staging slots, autoscaling, and more. If your slot swap is hanging, you’ll probably see a message at the bottom of your log that says “Initiating warmup request to container”…and then no other messages after that until the swap times out. Swap:-. - task: AzureAppServiceManage@0 inputs: azureSubscription: # string. This article provides a basic architecture intended for learning about running web applications on Azure App Service in a single region. On the Overview page, select Get Publish profile. Create a new Azure Resource group project (More detail please refer to document) 2. azurewebsites. When you deploy your function app to Azure, you can deploy to a separate deployment slot instead of directly to production. --container-image-name -c. NET app. For more tips and tricks, visit: https://aka. Then go to Deployment Slots. You can deploy your applications inside of Azure Service Fabric. For details on configuring deployment slots, consult the Microsoft documentation . js , Java , Python, or PHP in containers, or running on Windows or Linux. Make sure you're looking a the FTP profile in the Apr 10, 2023 · In this beginner's guide, you will learn how to use Azure App Service Slots to deploy and manage multiple versions of your web app or API in different enviro Nov 6, 2023 · How do the Deployment slots works: Production Slot: Every Azure App Service has a production slot, which is the main environment for your application accessible to users. Application Insights web test name. 2 based with the following cache settings in web. NET web application to a staging slot. --container-registry-url -r. Sep 1, 2022 · Deployment slots. The Demo just for the Azure Website Slot App setting configuration, so remove the other resource from the project. This is the second and last post of the series about deploying Azure App Services with Bicep. We now have 2 versions of our application code in azure. Step 3: Enter your preferred name for the staging slot. Replace the placeholder for <web-app-name>. We do NOT use slot specific settings because they cause the app to restart upon swapping and we want swapping to be instant and transparent to users. net. Step 1: Create an Azure Web App Deployment Target. Published date: May 12, 2014. NET , . You can also do a “curl” on your backend’s endpoint to display the backend’s current site contents. answered Oct 17, 2019 at 5:58. Apr 2, 2019 · In some cases after the swap the web app in the production slot may restart later without any action taken by the app owner. Azure Web Sites has increased the number of deployment slots for Standard websites to 4 (in addition to the Production slot). Under the “Non-authoritative answer”, it should resolve the private IP address you noted earlier. Select Best Practices for Availability & Performance or Best Practices for Optimal Configuration to view the current state of your app in regard to these best practices. Deployment slots are live applications running with their unique hostname, however, connected to a particular app service plan. This is the layer of ‘magic’ that has been powering services like Azure SQL Databases and App Services for years and is now available for you to use yourself. NET. In the list, click the app service that has a name that starts with fa-. Quickly build, deploy, and scale web apps and APIs on your terms. My solution is to remove the Web Jobs from the slot (s) after deployment, before swapping slots and/or starting the app service in the slot: az webapp webjob continuous remove --webjob-name fooJob --name fooApp --resource-group fooApps --slot fooSlot. 3inputs: May 31, 2024 · In order to enable private endpoint for apps hosted in an IsolatedV2 plan (App Service Environment v3), you have to enable the private endpoint support at the App Service Environment level. GitHub Copilot. Delete an App Service plan. You'll also learn how to route traffic to different slots manually and automatically. Jun 23, 2022 · Go back to the Azure portal and back to the App Service. 0. The demo consists in : a few Terraform files to provision an App Service and a deployment slot; a simple ASP Select Azure and click Next. When I say that Service Fabric is a layer of magic, I mean that it provides capabilities that Show 4 more. User-level credentials: one set of credentials for the entire Azure account. Need help to add a slot with name: 'staging' (settings to be cloned from parent) How to deploy windows Azure App Feb 17, 2023 · Further Reading. The staging slots are included as part of your App Service tier. Go to Azure portal, open your App Service. May 18, 2024 · Part 1: Create the App Service deployment slot. In the left pane, under Deployment, click Deployment Center. Slots are exposed via a publicly available endpoint. Deployment slots per app 10: 2: n/a: 3: 1-20 9: not supported: Storage 5: 5 GB: To learn more about the limits for Azure Spring Apps, see Quotas and service plans Feb 28, 2020 · In the Azure Portal, navigate to the Function App Service. On the face, it is a deployment slot of a web app but it is actually a linked and re-release of the original web app. Select the plan you want to upgrade to, or create a new plan. To avoid unexpected charges, when you delete the last app in an App Service plan, App Service also deletes the plan by default. For example, we can have a Automate any workflow. Deployment slots are live apps with their own host names. In the Azure Portal, in the Azure App Service resource blade for your Web App, you can add a deployment slot by navigating to “Deployment slots,” adding a slot, and giving the slot a name. The cost of the deployment slot is included in the cost of the App Service plan to which it belongs. For now, curl will display the HTML for the empty web app. In this way, the App Service plan is the scale unit of the App Service apps. This is a full-fledged App Service – in this case, another Web App – that sits next to your original Web App. Intermediate. This repository contains a demo on how to use Azure Services deployment slots with Terraform (yes, with app settings too !). The Production Deployment slot is working fine using Site to Site VPN > VNET > Private Endpoint. In the Publish Settings file, you need the publishUrl, userName, and userPWD from the FTP profile. Under App Service plan, select Change App Service plan. Apr 10, 2017 · Using deployment slots can allow you to do this with zero downtime. Starting in the Azure dashboard perform the following tasks: Open the navigation menu in the upper-left of the Portal. Function 1:-. App Service Environment is a single-tenant deployment of Azure App Service that hosts Windows and Linux containers, web apps, API apps, logic apps, and function apps. Select Add a new origin group. For more information, see Setup staging environments in Azure App Services and Slot Swap with Preview. net URL: Make sure that GET / works on your app service and returns 200 - 399 HTTP status codes. To perform the swap, run the following command for each app. Jun 27, 2023 · Blue-Green Deployment is a software release strategy that aims to minimize downtime and reduce the risk associated with deploying new versions of an application. Wait for all the resources to appear. We do this by creating a Deploy an Azure Web App step. Instant dev environments. This Apr 2, 2024 · Deployment slots. (CODE: 400) This is what our web. In the dialog, make sure that Connection type is set to Azure Resource Manager. Click on it. Additionally the App Service deployment must support the desired SKU within Premium V3. App content and configurations elements can be swapped between two deployment slots, including the production slot. There are two workflows for scaling, scale up and scale out, and this article explains the scale up workflow. Before proceeding to this step, let’s take note of about the common benefit of deployment slots in web apps, so it offers minimized downtime when deploying the application in the production environment. It's intended to be an introductory architecture you can use for learning and proof of concept (POC) purposes. Codespaces. For the origin group name, enter myOriginGroup. The problem is with the Non-Production App Service. Part 2: Continuous Deployment for Azure App Service. App Service makes it easy to deploy from your local machine or a CI/CD pipeline. Sajeetharan. Slot created successfully. I have configured App Service Warmup (as detailed here) to call an endpoint that will 'warm up' the application during the Create a slot called "staging" on the Azure Web App; Create a Service Principal that has Contributor rights on the Web App. Finally, select the staging publish profile from the dropdownlist and click the Publish button to deploy the code to the Staging slot in Azure. These slots can be used for testing and validation. Slots are exposed Aug 27, 2023 · Maximum Number of Slots: Azure Web Apps offer a generous number of deployment slots to cater to various deployment scenarios. Oct 30, 2016 · 1. The container custom image name and optionally the tag name (e. Create your first . # Azure App Service manage v0 # Start, stop, restart, slot swap, install site extensions or enable continuous monitoring for an Azure App Service. Select Staging deployment slot and click Finish. Meet rigorous, enterprise-grade performance, and security and compliance Oct 13, 2020 · Part 1: Up and Running with Azure App Service. To select a deployment source using the Azure Portal, follow these steps: In the Azure Portal, select the web app you created earlier. Security. 4. Jun 19, 2024 · Applications run and scale with ease on both Windows and Linux -based environments. net”. Considerations. Host and manage packages. Step 2: Click Add Slot, provide a Name and choose whether or not to Clone Jul 29, 2021 · Once you have these values, navigate to your Web App. Do not use deployment slots to mix deployment purposes. Aug 17, 2020 · In this post you will see how to setup an Azure App Service plan with an Azure App Service (Web App) consisting of two deployment slots to change the production and development instance of your WordPress site. Required. Provide a name for the deployment slot. I have some containers deployed on Azure App Service. Scale an App Service plan. Azure Functions deployment slots have the following considerations: The number of slots available to an app depends on To secure app deployment from a local computer, Azure App Service supports two types of credentials for local Git deployment and FTP/S deployment. Additionally, you can take advantage of its DevOps capabilities, such as continuous deployment from Azure DevOps, GitHub Go to your app service in the Azure portal. Aug 29, 2023 · To scale-up an app to Premium V3, you need to have an Azure App Service app that runs in a pricing tier lower than Premium V3, and the app must be running in an App Service deployment that supports Premium V3. So effectively you can have up to 10,000 Function Apps per Azure subscription. , /:). Cloud Shell includes the Azure CLI and the . 449Z INFO - Starting container for site. This article shows you how to scale your app in Azure App Service. You can create a service principal with the az ad sp create-for-rbac command in the Azure CLI. Note, there are two profiles in the Publish Settings file, Web Deploy and FTP. Step 1: Open any of your existing App Services and in the left pane, select Deployment Slot. Resources. App Service has a great solution. In this hands-on lab, we'll use the Azure CLI within the Cloud Shell, in order to deploy a basic . Currently, you can see only the production slot is running with 100% of traffic to it. Deployment, CI/CD, Slots - Azure App Service. For those facing the same issue, it is worth noticing that, while working, this approach won't build the application like the standard deploy option would do, so it has to be done manually. net URL, so I use well known CA cert & override hostname from backend target: The backend pool then points to the azurewebsites. However if that is not enough , then may make request to all the important routes in the application or prepopulate in-memory cache. NET Framework v4. Azure App Service supports deployment slots. In the first episode, we have created an App Service with Bicep, and deployed some code to it, all with the help of GitHub Actions. Because of its low downtime, the blue Jun 3, 2022 · The Azure App Service includes deployment slots to help improve the way in which updates to your code can be deployed to production. NET CLI May 15, 2020 · Before deploying your new code to production, you can leverage the Deployment Slots feature in App Services to test your changes. Fun B is a service bus trigger function - when a messaged is passed to a queue from Fun A, Fun B gets triggered. 27. Nov 9, 2021 · Thanks - I did not realize that it was the App Service Plan that determined the billing - then it does make sense to create multiple App Services and not the deployment slots. The deployment slot has its own hostname and is a live app. Click on the deployment slot in the left side panel and choose ‘add slots’ to create your staging Sep 22, 2022 · In this article, we will see how to configure the deployment slots in Azure Web App. Jul 2, 2015 · Using azure app service deployment slots to run different apps? 1. For the first origin (primary region), enter the name of one of the web apps you’re using for this tutorial for the Name and then for the Origin Type select App Services. An App Service Environment is an Azure App Service feature that provides a fully isolated and dedicated environment for running App Service apps securely at high scale. Can be done in Azure DevOps Release by adding Azure CLI task with inline powershell script. If you have multiple deployment slots for an app, all Jan 16, 2022 · Hence the choice of deploying all of them on the same Azure App service plan. NET Core , Node. Oct 26, 2020 · We have deployed an internal Line of Business application in Azure App Service. We'll then use the Azure portal to promote the staging slot to production. ) Source slot to clone configurations from. If you’ve configured a slot then you’ll want to swap deployments at a minimum between a production and pre-production environment. 8m 12s. Jan 27, 2020 · If you want to create a new Web App in Azure starting with the Azure Portal, follow the instructions below: Log in to the Azure at https://portal. This gives you more deployment options, since you can keep multiple versions of your site and alternate between them while Mar 5, 2024 · Navigate to Deployment slots in the function app, and then select the slot name. The maximum number of slots available depends on the pricing tier of Explore Azure App Service deployment slots. You can deploy to staging environments, known as slots, and swap your new release to production with one click. Select Azure App Service and click Next. Apr 11, 2024 · Let me explain why. To scale out an app's instance count, see Scale instance count manually or automatically. This architecture isn't meant to be used for production applications. Azure App Services propose une fonctionnalité qui peut vous rendre service : les Deployment Slots, ou Emplacements de Déploiement en français (uniquement accessible aux plans Nov 18, 2019 · I use 'Release Management' in Azure DevOps to deploy code to these apps. As shown below: You can choose to specify the Azure SQL Database. Jan 12, 2023 · A deployment slot is a feature of Azure App Service that allows you to run different versions of your app, called slots, in different environments. The container registry server url. edited Oct 17, 2019 at 6:24. Jan 29, 2020 · If you’re using an Azure App Service on a tier that offers staging slots (standard and above) then you might want to consider what happens when you swap a slot. Staging Slots: You can create one or more staging slots that are exact copies of the production environment. • Up to 100 Consumption (aka Dynamic) App Service Plans • For each Plan, you can create 100 Function Apps. You can do this by retuning to your Resource Group and selecting the Web App from there. I have 2 function apps deployed in same app service with 2 different Deployment slots added to both the Functions so we can manage them independently. App Service adds the power of Microsoft Azure to your application, such as security, load balancing, autoscaling, and automated management. Step 3: Deploy the application to Azure App Nov 24, 2017 · A deployment slot is a release of a web app. com. Based on your requirement you can put all your apps in one App Service plan and have multiple deployment slots. Premier Support for Developers provides strategic technology guidance, critical support coverage, and a range of essential services to help teams optimize development lifecycles and improve May 1, 2023 · Azure Service Fabric. Please check AppInit module configuration or try using swap with preview if application initialization time is very long. To do this, you need to ensure that all your migrations are backwards compatible, such that the current and new versions of the web app can run simultaneously with the same database. On the top left, click + Create a resource. Mar 15, 2023 · During a slot swap, the App Service platform ensures the target slot doesn't experience downtime. This usually happens when the underlying storage infrastructure of Azure App Service undergoes some changes. Open App Service diagnostics by selecting Diagnose and solve problems on the left pane. Jun 4, 2024 · In the release pipeline, assuming you're using the Azure App Service deployment template: Select the Tasks tab, then select Deploy Azure App Service. Azure Deployment Slots with multiple websites hosted under one App Service plan. When you install an App Service Environment, you pick the Azure virtual network that you want it to be deployed in. May 24, 2022 · The live log stream for your app service slot. Blue-Green deployment approach is to achieve zero downtime by having two identical production Oct 24, 2022 · Here is my bicep template to deploy App service. You can get its publish profile and publish new changes on the slot. Under “Settings” on the left hand side, select “Configuration” to add the connection to your database. The deployment process shown here puts the package on the app's content share with the right naming convention and directory structure (see Kudu publish API reference), and it's the recommended approach. The next step is to deploy your package to the Staging slot. We have an azure app service, with a production slot and staging slot. It can be used to deploy to App Service for any Use when Action == Enable Continuous Monitoring. Alias: ConnectedServiceName. Unlike the App Service public multitenant offering where supporting infrastructure is shared, with App Service Environment, compute is dedicated to a single Using multiple deployment slots. az webapp deployment slot swap --resource-group MyResourceGroup -name <web-app-name> --slot stage --target-slot production Jan 3, 2020 · From Microsoft Best Practices on app service slots it calls out using a slot for: You can validate app changes in a staging deployment slot before swapping it with the production slot. They allow developers to have multiple versions of their application running at the same time with the added bonus of being able to re-route traffic between each instance at the press of a button. To achieve zero downtime, Azure recommends using Deployment slots and swapping the staging and production slots. config: <outputCache enableOutputCache="true"/>. This is the AzureRmWebAppDeployment task. Then select + Add an origin. 3. Premium V3 availability May 22, 2019 · 3. Navigate to your Azure app service created in your environment. It's running on the 64 bit platform, "Always On" is enabled and the Local Cache feature is also enabled. ft qt im dq ur xf vc vs zj pr