Similarly, if you're using Node or Python, you might want to see if any of your dependencies are enormous with lots of files and slow startup time -- you can check this locally by timing how long it takes to get to the initial listen() call and just print that wall time as you adjust dependencies.
If you're building Golang and you're seeing slow cold starts... I have no idea how you're doing that. For development, a lot of us on the open source http://knative.dev/ side are using Go http servers that take tens of milliseconds to start up, so there's probably some other initialization that's slowing you down.
If you're using Java, see this writeup for how different frameworks can affect startup time: https://medium.com/google-cloud/java-frameworks-performances...
Similarly, if you're using Node or Python, you might want to see if any of your dependencies are enormous with lots of files and slow startup time -- you can check this locally by timing how long it takes to get to the initial listen() call and just print that wall time as you adjust dependencies.
If you're building Golang and you're seeing slow cold starts... I have no idea how you're doing that. For development, a lot of us on the open source http://knative.dev/ side are using Go http servers that take tens of milliseconds to start up, so there's probably some other initialization that's slowing you down.