Kestrel cold start even if KeepAliveTimeout is configured

[Chengappa Prajwal]

im running a .net 7 project and when running kestrel locally the first invocation to an api endpoint takes approx 2-3 secs and going forward subsequent requests are in milliseconds.I tried configuring serverOptions.Limits.KeepAliveTimeout = TimeSpan.FromMinutes(5);but it does not work, after the default time which i guess is 130 seconds , the api invocation is again 2-3 secs and subsequent ones are in milliseconds

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