jruby + goliath

ab.txt

# after warming up the VM (20k reqs+)
# ...

ab -c 50 -n 5000 http://127.0.0.1:9000/
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 127.0.0.1 (be patient)
Completed 500 requests
Completed 1000 requests
Completed 1500 requests
Completed 2000 requests
Completed 2500 requests
Completed 3000 requests
Completed 3500 requests
Completed 4000 requests
Completed 4500 requests
Completed 5000 requests
Finished 5000 requests


Server Software:        Goliath
Server Hostname:        127.0.0.1
Server Port:            9000

Document Path:          /
Document Length:        11 bytes

Concurrency Level:      50
Time taken for tests:   3.957 seconds
Complete requests:      5000
Failed requests:        0
Write errors:           0
Total transferred:      520104 bytes
HTML transferred:       55011 bytes
Requests per second:    1263.53 [#/sec] (mean)
Time per request:       39.572 [ms] (mean)
Time per request:       0.791 [ms] (mean, across all concurrent requests)
Transfer rate:          128.35 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.5      0      20
Processing:    17   39   7.1     36      76
Waiting:       10   35   7.0     33      75
Total:         19   39   7.1     37      76

Percentage of the requests served within a certain time (ms)
  50%     37
  66%     38
  75%     40
  80%     42
  90%     49
  95%     56
  98%     62
  99%     66
 100%     76 (longest request)

hello.rb

require 'goliath'

class Hello < Goliath::API
  def response(env)
    [200, {}, "Hello World"]
  end
end

# jruby 1.6.5 (ruby-1.9.2-p136) (2011-10-25 9dcd388) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_26) [darwin-x86_64-java]
# > ruby --server test.rb -e production