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I just installed and enabled NewRelic .Net Agent for our webapplication which uses ASP.Net forms and .Net Framework v4.7. The application is hosted as Azure app service.

I can see the app listed in APM, but the application slows down considerably (at least 10x times slower than usual) and leads to request timeouts. I tried to disable the agent and everything works normal.

I also tried to disable the following via newRelic.config crossApplication Tracerenabled = false browserMonitoring autoinstrument= false

But it didn’t help much, the performance is still slow. anyone else facing similar performance issues ?

wickjon
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  • After some investigation, we found the slow down may be because a IIS App pool permission issue https://stackoverflow.com/questions/59608179/azure-app-service-user-has-insufficient-permissions-to-collect-windows-perform/59624272#59624272 – wickjon Jan 08 '20 at 01:44

1 Answers1

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The command crossApplication Tracerenabled = false browserMonitoring autoinstrument= false will disable the browser module of Newrelic for that app means your front end will not be monitored. Installing APM does not slow down app, since there is a minimal RAM & CPU usage.

Also for Azure app service hosting, do you mean you have integrated for infra data or is it APM?

Thanks.

Salman
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  • I have integrated it for APM. I also tried disabling all the instrumentation via config and still experience incredible slowness. – wickjon Dec 11 '19 at 10:12
  • Try contacting Newrelic support or ask in discuss.newrelic.com – Salman Dec 12 '19 at 06:38