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When my server scales out for almost 1 minute all my requests are slow. I have warm up in place and I can see that my DB calls and BlobStorage calls are very fast (in total less than 200 ms) but the request takes a lot more (for example 15 second)

Also, looking at the dependencies all calls to the dependencies comes back really fast but there is a big gap between them.

What can I do to fix it?

Requests

Requests

Dependencies for a slow request at 6:10:48

Dependencies

  • The ARR Affinity is set to off
  • Always On is on
Ashkan S
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  • Hi, today we are still having this issue. Running .NET Core 3.1 with multiple warmup calls (Database, Key vault, Cache and DI initialization). Do you have this resolved? – JonHendrix May 01 '20 at 13:38
  • @JonHendrix Recently there was a bug on App service that made it have cold warm ups. If you have bounded host names with wildcards add 1 more with 1 specific host name – Ashkan S May 01 '20 at 20:16
  • thanks. We already have this in place. So we need to look further for other causes and solutions – JonHendrix May 03 '20 at 09:08

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