Stress Testing Simple apps. Node VS Sinatra (On a macbook pro 15" Mid 2012)

Node.js

ab -k -c 10 -n 100 http://localhost:1337/
This is ApacheBench, Version 2.3 <$Revision: 1604373 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient).....done


Server Software:
Server Hostname:        localhost
Server Port:            1337

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   0.049 seconds
Complete requests:      100
Failed requests:        0
Keep-Alive requests:    0
Total transferred:      11300 bytes
HTML transferred:       1200 bytes
Requests per second:    2038.49 [#/sec] (mean)
Time per request:       4.906 [ms] (mean)
Time per request:       0.491 [ms] (mean, across all concurrent requests)
Transfer rate:          224.95 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       1
Processing:     2    4   3.6      3      16
Waiting:        2    4   3.5      3      16
Total:          2    5   3.5      3      16

Percentage of the requests served within a certain time (ms)
  50%      3
  66%      4
  75%      5
  80%      5
  90%     10
  95%     15
  98%     16
  99%     16
 100%     16 (longest request)

Sinatra (plain)

ab -k -c 10 -n 100 http://localhost:4567/
This is ApacheBench, Version 2.3 <$Revision: 1604373 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient).....done


Server Software:        WEBrick/1.3.1
Server Hostname:        localhost
Server Port:            4567

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   0.172 seconds
Complete requests:      100
Failed requests:        0
Keep-Alive requests:    100
Total transferred:      29400 bytes
HTML transferred:       1200 bytes
Requests per second:    579.82 [#/sec] (mean)
Time per request:       17.247 [ms] (mean)
Time per request:       1.725 [ms] (mean, across all concurrent requests)
Transfer rate:          166.47 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       2
Processing:     6   16   5.6     16      40
Waiting:        3   15   5.4     15      36
Total:          6   17   5.6     16      41

Percentage of the requests served within a certain time (ms)
  50%     16
  66%     18
  75%     19
  80%     21
  90%     24
  95%     27
  98%     31
  99%     41
 100%     41 (longest request)

Sinatra (puma)

ab -k -c 10 -n 100 http://localhost:9292/
This is ApacheBench, Version 2.3 <$Revision: 1604373 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient).....done


Server Software:
Server Hostname:        localhost
Server Port:            9292

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   0.067 seconds
Complete requests:      100
Failed requests:        0
Keep-Alive requests:    100
Total transferred:      20900 bytes
HTML transferred:       1200 bytes
Requests per second:    1492.49 [#/sec] (mean)
Time per request:       6.700 [ms] (mean)
Time per request:       0.670 [ms] (mean, across all concurrent requests)
Transfer rate:          304.62 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       1
Processing:     1    6  10.0      3      39
Waiting:        0    6  10.0      2      38
Total:          1    6  10.2      3      39

Percentage of the requests served within a certain time (ms)
  50%      3
  66%      4
  75%      4
  80%      5
  90%     34
  95%     38
  98%     38
  99%     39
 100%     39 (longest request)