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Interview Homework (LRU w/Web API)

William DeLuca

Gem Dependencies

  • sinatra

Run Web API

The web API is a sinatra app that uses the LRU and Mars Trek classes

./web_api.rb

The API will load on your systems port 4441. You will need to either test locally OR expose port 4441 for remote testing.

Endpoints

  • /coordinate/url/{lat}/{long}
  • /cache
  • /cache/hit_rate
  • /cache/hit_counts
  • /cache/hit_times

Metrics

Hit Rates Example

{"hit":"51.16","mis":"48.84","dsc":"Hit Rates over the last 100 requests"}

Hit Counts Example

{"hit":22,"mis":21,"total":43,"dsc":"Hit counts over the last 100 requests"}

Hit Times Example

{"building":{"hit":{"sum":0.48393,"avg":0.04032,"min":0.01965,"max":0.11249},"miss":{"sum":0.64925,"avg":0.04328,"min":0.02503,"max":0.06572}},"full":{"miss":{"sum":0.30758,"avg":0.05126,"min":0.04152,"max":0.06616}}}