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#!/usr/bin/env ruby
# Simple benchmark to compare Thin performance against
# other webservers supported by Rack.
#
# Run with:
#
# ruby simple.rb [num of request] [print|graph] [concurrency levels]
#
$: << File.join(File.dirname(__FILE__), '..', 'lib')
require 'thin'
require File.dirname(__FILE__) + '/benchmarker'
require 'optparse'
options = {
:requests => 1000,
:concurrencies => [1, 10, 100],
:keep_alive => false,
:output => :table
}
OptionParser.new do |opts|
opts.banner = "Usage: #{$PROGRAM_NAME} [options]"
opts.on("-n", "--requests NUM", "Number of requests") { |num| options[:requests] = num.to_i }
opts.on("-c", "--concurrencies EXP", "Concurrency levels") { |exp| options[:concurrencies] = eval(exp).to_a }
opts.on("-k", "--keep-alive", "Use persistent connections") { options[:keep_alive] = true }
opts.on("-t", "--table", "Output as text table") { options[:output] = :table }
opts.on("-g", "--graph", "Output as graph") { options[:output] = :graph }
opts.on_tail("-h", "--help", "Show this message") { puts opts; exit }
end.parse!(ARGV)
# benchmark output_type, %w(WEBrick Mongrel EMongrel Thin), request, levels
b = Benchmarker.new
b.requests = options[:requests]
b.concurrencies = options[:concurrencies]
b.keep_alive = options[:keep_alive]
case options[:output]
when :table
puts 'server request concurrency req/s failures'
puts '=' * 52
b.writer do |server, requests, concurrency, req_sec, failed|
puts "#{server.ljust(8)} #{requests} #{concurrency.to_s.ljust(4)} #{req_sec.to_s.ljust(8)} #{failed}"
end
b.run!
when :graph
require '/usr/local/lib/ruby/gems/1.8/gems/gruff-0.2.9/lib/gruff'
g = Gruff::Area.new
g.title = "#{options[:requests]} requests"
g.title << ' w/ Keep-Alive' if options[:keep_alive]
g.x_axis_label = 'Concurrency'
g.y_axis_label = 'Requests / sec'
g.maximum_value = 0
g.minimum_value = 0
g.labels = {}
b.concurrencies.each_with_index { |c, i| g.labels[i] = c.to_s }
results = {}
b.writer do |server, requests, concurrency, req_sec, failed|
print '.'
results[server] ||= []
results[server] << req_sec
end
b.run!
puts
results.each do |server, concurrencies|
g.data(server, concurrencies)
end
g.write('bench.png')
`open bench.png`
end
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