thin-benchmarks.git strange results

result-with-hang

$ ./ab -n 10000 -c 30 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:        thin
Server Hostname:        localhost
Server Port:            3000

Document Path:          /
Document Length:        11 bytes

Concurrency Level:      30
Time taken for tests:   27.097 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      2150430 bytes
HTML transferred:       110022 bytes
Requests per second:    369.05 [#/sec] (mean)
Time per request:       81.290 [ms] (mean)
Time per request:       2.710 [ms] (mean, across all concurrent requests)
Transfer rate:          77.50 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0   59 1066.4      1   19509
Processing:     1   22  15.0     17     111
Waiting:        1   17  13.5     13     109
Total:          1   81 1066.3     17   19530

Percentage of the requests served within a certain time (ms)
  50%     17
  66%     18
  75%     20
  80%     22
  90%     55
  95%     57
  98%     64
  99%     89
 100%  19530 (longest request)

result-without-hang

$ ./ab -n 10000 -c 30 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:        thin
Server Hostname:        localhost
Server Port:            3000

Document Path:          /
Document Length:        11 bytes

Concurrency Level:      30
Time taken for tests:   7.245 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      2151075 bytes
HTML transferred:       110055 bytes
Requests per second:    1380.35 [#/sec] (mean)
Time per request:       21.734 [ms] (mean)
Time per request:       0.724 [ms] (mean, across all concurrent requests)
Transfer rate:          289.96 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.7      1      24
Processing:     8   21  13.1     16      75
Waiting:        3   16  11.9     13      65
Total:         11   22  13.1     17      76

Percentage of the requests served within a certain time (ms)
  50%     17
  66%     18
  75%     19
  80%     21
  90%     53
  95%     56
  98%     59
  99%     62
 100%     76 (longest request)