[GitHub] juanestebanj opened a new issue #4075: Idea for minimizing cold start time for chains of functions.

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juanestebanj opened a new issue #4075: Idea for minimizing cold start time for chains of functions.
URL: https://github.com/apache/incubator-openwhisk/issues/4075
 
 
   I have a feature request.
   
   I read that you guys were open on suggestions about minimizing the time it takes a cold start for a chain of functions.
   
   I thought of this idea:
   - One could have a very fast "warm up" function to an action that would "warm up" sleeping containers. That function would do no actual work and have an execution time less than 100 milliseconds. (Usually the smallest billable unit of cloud functions providers such as IBM Cloud).
   - All these functions would be called at the beginning of the chain of functions, for all containers involved in the chain.
   - So when the containers are called for actual work, there will be a higher probability for them to be already up.
   
   That "warm up" function might be provided automatically by OpenWhisk to all containers.  For example, a small go function.
   
   Thank you.

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