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Slow startup on Azure

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Hi,

We're in the process moving our Episerver sites to Azure. The sites runs on a set of VMs (Iaas) and connecting to a SQL server (Paas).

The Episerver sites takes longer to startup on Azure, about twice as much as the sites hosted in the non-Azure environment.  Both the CPUs and the SQL server DTU are not under pressure.

When hitting /secui/shell/debug/showtimemeters/ the DataInitialization, ModelSyncInitialization and ShellInitialization takes the longest on the Azure environment. 

Has anyone had a performance issue when moving Episerver to Azure?

Thanks,

Danie

#202381
Mar 25, 2019 12:05
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Has anyone NOT had a performance issue when moving Episerver to Azure? :)

It's a good idea to have a deploy slot and warm it up before switching, because as you said, the startup time is usually a lot higher in Azure. For some of our projects, it's also common that we get timeout errors on the first requests. This also happens when hosted on DXC service.

#202397
Mar 25, 2019 14:54
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Start up is definitely longer in Azure yes. Runs fine after however. So same advice as above, use warmup if it's an issue. 

#206296
Aug 12, 2019 15:41
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"but why?" - is the question I was looking for an answer..

#206298
Aug 12, 2019 23:35
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