Class: Benchmark::HTTP::Command::Hammer

Inherits:
Samovar::Command
  • Object
show all
Defined in:
lib/benchmark/http/command/hammer.rb

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



96
97
98
99
100
 
# File 'lib/benchmark/http/command/hammer.rb', line 96

def call
	@urls.each do |url|
		run(url).wait
	end
end

#measure_performance(concurrency, count, endpoint, request_path) ⇒ Object 



43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/benchmark/http/command/hammer.rb', line 43

def measure_performance(concurrency, count, endpoint, request_path)
	puts "I am running #{concurrency} asynchronous tasks that will each make #{count} sequential requests..."
	
	statistics = Statistics.new(concurrency)
	task = Async::Task.current
	running = true
	
	progress_task = task.async do |child|
		while true
			child.sleep(1)
			statistics.print
		end
	end
	
	concurrency.times.map do
		task.async do
			client = Async::HTTP::Client.new(endpoint, endpoint.protocol)
			
			count.times do |i|
				statistics.measure do
					response = client.get(request_path).tap(&:finish)
				end
			end
			
			client.close
		end
	end.each(&:wait)
	
	progress_task&.stop
	
	puts "I made #{statistics.count} requests in #{Seconds[statistics.sequential_duration]}. The per-request latency was #{Seconds[statistics.latency]}. That's #{statistics.per_second} asynchronous requests/second."
	puts "\t          Variance: #{Seconds[statistics.variance]}"
	puts "\tStandard Deviation: #{Seconds[statistics.standard_deviation]}"
	puts "\t    Standard Error: #{Seconds[statistics.standard_error]}"
	
	statistics.print
	
	return statistics
end

#run(url) ⇒ Object 



83
84
85
86
87
88
89
90
91
92
93
94
 
# File 'lib/benchmark/http/command/hammer.rb', line 83

def run(url)
	endpoint = Async::HTTP::Endpoint.parse(url)
	request_path = endpoint.url.request_uri
	
	puts "I am going to benchmark #{url}..."
	
	Async::Reactor.run do |task|
		statistics = []
		
		base = measure_performance(@options[:concurrency], @options[:count], endpoint, request_path)
	end
end