rails-api vs sinatra

rails-api Tests Results (thin)

bva@bva-X51L:~/work/performance_tests/sinatra-test$ ab -n 1000 -c 10 -t 8 0.0.0.0:3000/tests
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 0.0.0.0 (be patient)
Finished 171 requests


Server Software:        thin
Server Hostname:        0.0.0.0
Server Port:            3000

Document Path:          /tests
Document Length:        4959 bytes

Concurrency Level:      10
Time taken for tests:   8.274 seconds
Complete requests:      171
Failed requests:        0
Write errors:           0
Total transferred:      947520 bytes
HTML transferred:       892620 bytes
Requests per second:    20.67 [#/sec] (mean)
Time per request:       483.833 [ms] (mean)
Time per request:       48.383 [ms] (mean, across all concurrent requests)
Transfer rate:          111.84 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:   349  465 332.7    383    1795
Waiting:      349  464 332.7    383    1794
Total:        349  465 332.7    384    1795

Percentage of the requests served within a certain time (ms)
  50%    383
  66%    386
  75%    388
  80%    394
  90%    433
  95%   1795
  98%   1795
  99%   1795
 100%   1795 (longest request)

rails-api Tests Results (WEBrick)

bva@bva-X51L:~/work/performance_tests/sinatra-test$ ab -n 1000 -c 10 -t 8 0.0.0.0:3000/tests
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 0.0.0.0 (be patient)
Finished 171 requests


Server Software:        thin
Server Hostname:        0.0.0.0
Server Port:            3000

Document Path:          /tests
Document Length:        4959 bytes

Concurrency Level:      10
Time taken for tests:   8.284 seconds
Complete requests:      171
Failed requests:        0
Write errors:           0
Total transferred:      947520 bytes
HTML transferred:       892620 bytes
Requests per second:    20.64 [#/sec] (mean)
Time per request:       484.423 [ms] (mean)
Time per request:       48.442 [ms] (mean, across all concurrent requests)
Transfer rate:          111.70 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:   346  466 392.7    372    2036
Waiting:      346  465 392.7    371    2036
Total:        346  466 392.8    372    2037

Percentage of the requests served within a certain time (ms)
  50%    372
  66%    380
  75%    382
  80%    384
  90%    390
  95%   2037
  98%   2037
  99%   2037
 100%   2037 (longest request)

sinatra Tests Results

bva@bva-X51L:~/work/performance_tests/sinatra-test$ ab -n 1000 -c 10 -t 8 0.0.0.0:9292/tests
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 0.0.0.0 (be patient)
Finished 211 requests


Server Software:        thin
Server Hostname:        0.0.0.0
Server Port:            9292

Document Path:          /tests
Document Length:        4959 bytes

Concurrency Level:      10
Time taken for tests:   8.055 seconds
Complete requests:      211
Failed requests:        0
Write errors:           0
Total transferred:      1134100 bytes
HTML transferred:       1090980 bytes
Requests per second:    26.19 [#/sec] (mean)
Time per request:       381.775 [ms] (mean)
Time per request:       38.177 [ms] (mean, across all concurrent requests)
Transfer rate:          137.49 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:   310  365  47.6    348     552
Waiting:      309  364  47.6    347     551
Total:        310  366  47.6    348     552

Percentage of the requests served within a certain time (ms)
  50%    348
  66%    374
  75%    378
  80%    380
  90%    388
  95%    396
  98%    552
  99%    552
 100%    552 (longest request)

tests_controller.rb (rails-api)

class TestsController < ApplicationController

  def index
    array = []
    100.times { |i| array <<{a: i, b: "qwe#{i}", c: {a1: i*100, b1: "asd#{i}"} } }
    render json: array
  end
end

tests_controller.rb (sinatra)

require 'sinatra'

get "/tests" do
  array = []
  100.times { |i| array <<{a: i, b: "qwe#{i}", c: {a1: i*100, b1: "asd#{i}"} } }
  array.to_json
end