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Shimmer and Shiny Andrie de Vries Solutions Engineer, Rstudio @RevoAndrie 1

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The problem • You want to deploy a Shiny app 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

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Brute force approach • Build the app • Test with shinyloadtest 4

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Data science approach 5 %>% → Discrete event simulation

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Shimmer 6 # devtools::install_github("andrie/shimmer") library(shimmer) # Run the app locally shimmer_shiny()

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Demo 7 http://colorado.rstudio.com/rsc/shimmer_and_shiny/