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Azure app service - how to make Always On work for specific application?


What is the difference between an Azure Web Site and an Azure Web RoleHow to get Hangfire started (“always on”) in Azure shared hosting?Differences between Azure App Services and Cloud ServicesProgrammatically Deploy Azure Web AppAzure App Service Application Settings Ignored, Using web.config InsteadKeep a node application running on azure app serviceHow to publish (deploy) .lic file to the root of an Azure Web App Service?Azure Web App equivalent of IIS IdleTimeoutSeveral asp.net apps in single Azure App ServiceDeploying into Azure Web App web root with Azure DevOps task “Azure App Service Deploy” v3






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1















We have an Azure app service, in which several web apps are deployed:



/ - root
/app1 - first application
/app2 - second application
...


At root we have simple web site, and apps are ASP.NET Web API services.
app1 is running some background tasks so we need it to be always active. To achieve this, we set Always On option in app service settings. We expect, that both root web site and all applications will be always loaded, but behaviour is different: it seems that applications are not staying alive.



Our background jobs (powered by Hangfire) are not triggering at schedule, but if any user hit the app with any request, app awakens and starts to process jobs.



So the question is: can we somehow tell Always On feature to ping not root of site but specific app url?



Thanks.










share|improve this question






















  • Do you want to have a look at azure webjob for your background tasks ?

    – Thomas
    Mar 26 at 8:15











  • Thomas, thanks for suggestion, we will consider this as last resort, because we do not want to be strongly tied to Azure. We want to be able migrate from Azure to on premises at any time.

    – Sergey
    Mar 26 at 13:24

















1















We have an Azure app service, in which several web apps are deployed:



/ - root
/app1 - first application
/app2 - second application
...


At root we have simple web site, and apps are ASP.NET Web API services.
app1 is running some background tasks so we need it to be always active. To achieve this, we set Always On option in app service settings. We expect, that both root web site and all applications will be always loaded, but behaviour is different: it seems that applications are not staying alive.



Our background jobs (powered by Hangfire) are not triggering at schedule, but if any user hit the app with any request, app awakens and starts to process jobs.



So the question is: can we somehow tell Always On feature to ping not root of site but specific app url?



Thanks.










share|improve this question






















  • Do you want to have a look at azure webjob for your background tasks ?

    – Thomas
    Mar 26 at 8:15











  • Thomas, thanks for suggestion, we will consider this as last resort, because we do not want to be strongly tied to Azure. We want to be able migrate from Azure to on premises at any time.

    – Sergey
    Mar 26 at 13:24













1












1








1








We have an Azure app service, in which several web apps are deployed:



/ - root
/app1 - first application
/app2 - second application
...


At root we have simple web site, and apps are ASP.NET Web API services.
app1 is running some background tasks so we need it to be always active. To achieve this, we set Always On option in app service settings. We expect, that both root web site and all applications will be always loaded, but behaviour is different: it seems that applications are not staying alive.



Our background jobs (powered by Hangfire) are not triggering at schedule, but if any user hit the app with any request, app awakens and starts to process jobs.



So the question is: can we somehow tell Always On feature to ping not root of site but specific app url?



Thanks.










share|improve this question














We have an Azure app service, in which several web apps are deployed:



/ - root
/app1 - first application
/app2 - second application
...


At root we have simple web site, and apps are ASP.NET Web API services.
app1 is running some background tasks so we need it to be always active. To achieve this, we set Always On option in app service settings. We expect, that both root web site and all applications will be always loaded, but behaviour is different: it seems that applications are not staying alive.



Our background jobs (powered by Hangfire) are not triggering at schedule, but if any user hit the app with any request, app awakens and starts to process jobs.



So the question is: can we somehow tell Always On feature to ping not root of site but specific app url?



Thanks.







asp.net azure asp.net-web-api azure-web-sites






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 26 at 6:26









SergeySergey

1703 silver badges11 bronze badges




1703 silver badges11 bronze badges












  • Do you want to have a look at azure webjob for your background tasks ?

    – Thomas
    Mar 26 at 8:15











  • Thomas, thanks for suggestion, we will consider this as last resort, because we do not want to be strongly tied to Azure. We want to be able migrate from Azure to on premises at any time.

    – Sergey
    Mar 26 at 13:24

















  • Do you want to have a look at azure webjob for your background tasks ?

    – Thomas
    Mar 26 at 8:15











  • Thomas, thanks for suggestion, we will consider this as last resort, because we do not want to be strongly tied to Azure. We want to be able migrate from Azure to on premises at any time.

    – Sergey
    Mar 26 at 13:24
















Do you want to have a look at azure webjob for your background tasks ?

– Thomas
Mar 26 at 8:15





Do you want to have a look at azure webjob for your background tasks ?

– Thomas
Mar 26 at 8:15













Thomas, thanks for suggestion, we will consider this as last resort, because we do not want to be strongly tied to Azure. We want to be able migrate from Azure to on premises at any time.

– Sergey
Mar 26 at 13:24





Thomas, thanks for suggestion, we will consider this as last resort, because we do not want to be strongly tied to Azure. We want to be able migrate from Azure to on premises at any time.

– Sergey
Mar 26 at 13:24












1 Answer
1






active

oldest

votes


















0














I didn't used it yet but you probably looking for this feature: Application Initialization to warm up specific pages when app pool starts.



This should allow you to specify multiple pages.






share|improve this answer























  • Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

    – Sergey
    Mar 26 at 13:20











  • Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

    – Martin Brandl
    Mar 26 at 14:07











  • It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

    – Sergey
    Mar 27 at 6:00











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









0














I didn't used it yet but you probably looking for this feature: Application Initialization to warm up specific pages when app pool starts.



This should allow you to specify multiple pages.






share|improve this answer























  • Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

    – Sergey
    Mar 26 at 13:20











  • Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

    – Martin Brandl
    Mar 26 at 14:07











  • It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

    – Sergey
    Mar 27 at 6:00
















0














I didn't used it yet but you probably looking for this feature: Application Initialization to warm up specific pages when app pool starts.



This should allow you to specify multiple pages.






share|improve this answer























  • Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

    – Sergey
    Mar 26 at 13:20











  • Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

    – Martin Brandl
    Mar 26 at 14:07











  • It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

    – Sergey
    Mar 27 at 6:00














0












0








0







I didn't used it yet but you probably looking for this feature: Application Initialization to warm up specific pages when app pool starts.



This should allow you to specify multiple pages.






share|improve this answer













I didn't used it yet but you probably looking for this feature: Application Initialization to warm up specific pages when app pool starts.



This should allow you to specify multiple pages.







share|improve this answer












share|improve this answer



share|improve this answer










answered Mar 26 at 7:59









Martin BrandlMartin Brandl

37.1k10 gold badges61 silver badges97 bronze badges




37.1k10 gold badges61 silver badges97 bronze badges












  • Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

    – Sergey
    Mar 26 at 13:20











  • Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

    – Martin Brandl
    Mar 26 at 14:07











  • It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

    – Sergey
    Mar 27 at 6:00


















  • Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

    – Sergey
    Mar 26 at 13:20











  • Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

    – Martin Brandl
    Mar 26 at 14:07











  • It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

    – Sergey
    Mar 27 at 6:00

















Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

– Sergey
Mar 26 at 13:20





Martin, thanks. But this is not exactly what I'm looking for: I need to prevent App Pool from stopping - my application must be active (in memory) 24/7 in order to process background jobs by schedule.

– Sergey
Mar 26 at 13:20













Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

– Martin Brandl
Mar 26 at 14:07





Can't you combine it with the always on feature and a redirect rule that invokes the warmup?

– Martin Brandl
Mar 26 at 14:07













It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

– Sergey
Mar 27 at 6:00






It is good idea. Something like this? <rule name="Redirect AlwaysOn requests from root to custom url" stopProcessing="true"> <match url="^$"/> <conditions> <add input="HTTP_USER_AGENT" pattern="^AlwaysOn$" /> </conditions> <action type="Redirect" url="mycustomdomain.com/app1/ping" redirectType="Permanent" appendQueryString="false"/> </rule>

– Sergey
Mar 27 at 6:00









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