How does app engine flexible environment works?

Question

How does app engine flexible environment works? It creates one BIG instance, by increase memory and CPU capacity, or creates several small instances?

How I can implement one BIG instance, which will increase memory and CPU only, without creating new instances?

Answer 1

Look at the resource settings to increase your host size. https://cloud.google.com/appengine/docs/flexible/nodejs/configuring-your-app-with-app-yaml#resource-settings