Shimmer is an R package that uses discrete event simulation to simulate the behaviour of Shiny apps running at scale. The event simulation is powered by the R package `simmer`
to RStudio Connect or Shiny Server Pro • At the planning stage, you want to know: • How big should the server / cluster be? • How many server licenses to buy? • At the dev stage, want to know: • How to optimize the shiny runtime settings 2