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I've noticed that IIS is very slow creating fastCGI process. My server normally use 3/4 fastCGI thread, but, in traffick peack, create untill 400 thread. During this process, the server is very very slow.

I wanna to set 400 fastCGI permanently alive, but I don't know how. In settings there is maximum fastCGI thread, but not minimum. Ideas?

costadilevante
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  • 1. IIS only `maxInstances` in FastCGI settings and that's for **process** count, not **thread** count. 2. There isn't a `minInstances` so you cannot keep PHP processes running. 3. You might set a large enough `idleTimeout` to keep PHP processes alive for longer, but that's only a workaround. 4. You'd better work with the PHP application developer(s) to learn why it takes long to load the web app. – Lex Li Mar 07 '23 at 02:07

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