Containers are very lightweight compared to a vm, but each FAAS container is required to run its own instance of v8. This implies some start up time (tens of ms

Containers are very lightweight compared to a vm, but each FAAS container is required to run its own instance of v8. This implies some start up time (tens of ms?) and some memory use (10's of mb?). My understanding of isolates is they are more or less a container, but at the v8 level instead of OS. This makes spinning up a function more akin to opening a new tab vs opening a new browser instance.