Google cloud functions are able to keep connections between invocations: https://cloud.google.com/functions/docs/bestpractices/networking https://cloud.google.c

Google cloud functions are able to keep connections between invocations: https://cloud.google.com/functions/docs/bestpractices/networking https://cloud.google.com/functions/docs/bestpractices/networ... It solves this exact problem and enables pooling (disclosure: I worked on related infrastructure)