Created
April 16, 2012 18:08
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Use siege to benchmark specific routes in your app.
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#!/usr/bin/env ruby | |
if ARGV.empty? | |
warn "Need a list of URLs to benchmark" | |
exit 1 | |
end | |
class Siege | |
REQUESTS = 10 | |
CONCURRENCY = 1 | |
attr_reader :url | |
def initialize(url) | |
@url = url | |
end | |
def attack! | |
parse_results `siege -c#{CONCURRENCY} -r#{REQUESTS} \"#{url}\" 2>&1` | |
print_result | |
STDOUT.flush | |
end | |
# ** SIEGE 2.71 | |
# ** Preparing 1 concurrent users for battle. | |
# The server is now under siege.. done. | |
# | |
# Transactions: 4 hits | |
# Availability: 100.00 % | |
# Elapsed time: 2.38 secs | |
# Data transferred: 0.02 MB | |
# Response time: 0.60 secs | |
# Transaction rate: 1.68 trans/sec | |
# Throughput: 0.01 MB/sec | |
# Concurrency: 1.00 | |
# Successful transactions: 4 | |
# Failed transactions: 0 | |
# Longest transaction: 0.60 | |
# Shortest transaction: 0.59 | |
def parse_results(results) | |
@results = results.lines | |
@transactions = parse_value('Transactions').to_i | |
@average_response = parse_value('Response time').to_f | |
@longest_response = parse_value('Longest transaction').to_f | |
@shortest_response = parse_value('Shortest transaction').to_f | |
@successes = parse_value('Successful transactions').to_i | |
@failures = parse_value('Failed transactions').to_i | |
end | |
def parse_value(label) | |
@results.grep(%r{^#{label}:}).first.split(':')[1].strip | |
end | |
def print_result | |
puts "#{url},#{@average_response},#{@shortest_response},#{@longest_response},#{@transactions},#{@successes},#{@failures}" | |
end | |
end | |
# Chop a file into urls | |
def urls_to_array(text) | |
text.lines.reject { |line| line.start_with?('#') }.map(&:chomp) | |
end | |
# Print CSV header | |
puts %w[url avg min max reqs succ fail].join(',') | |
urls_to_array(ARGF).each { |url| Siege.new(url).attack! } |
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