output

config.ru

run Proc.new {|env| [200, {"Content-Type" => "text/html"}, "Hello Rack!"]}

gistfile1.txt

$ ab -n10000 -c20 -k http://localhost:3000/
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 localhost (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests
Completed 5000 requests
Completed 6000 requests
Completed 7000 requests
Completed 8000 requests
Completed 9000 requests
Completed 10000 requests
Finished 10000 requests


Server Software:        Apache-Coyote/1.1
Server Hostname:        localhost
Server Port:            3000

Document Path:          /
Document Length:        11 bytes

Concurrency Level:      20
Time taken for tests:   6.720 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Keep-Alive requests:    9908
Total transferred:      1630681 bytes
HTML transferred:       110077 bytes
Requests per second:    1488.18 [#/sec] (mean)
Time per request:       13.439 [ms] (mean)
Time per request:       0.672 [ms] (mean, across all concurrent requests)
Transfer rate:          236.99 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.7      0      17
Processing:     1   13  32.4      6     587
Waiting:        0   13  32.4      5     587
Total:          1   13  32.4      6     587

Percentage of the requests served within a certain time (ms)
  50%      6
  66%      8
  75%     10
  80%     11
  90%     23
  95%     53
  98%    116
  99%    169
 100%    587 (longest request)
[10:03:23][~ {jruby-1.6.0}]