nginx tcp proxy

ab -c 32 -n 12000 -k http://localhost:8080/
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 1200 requests
Completed 2400 requests
Completed 3600 requests
Completed 4800 requests
Completed 6000 requests
Completed 7200 requests
Completed 8400 requests
Completed 9600 requests
Completed 10800 requests
Completed 12000 requests
Finished 12000 requests


Server Software:        nginx/1.0.5
Server Hostname:        localhost
Server Port:            8080

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      32
Time taken for tests:   2.482 seconds
Complete requests:      12000
Failed requests:        0
Write errors:           0
Keep-Alive requests:    0
Total transferred:      1608000 bytes
HTML transferred:       144000 bytes
Requests per second:    4834.38 [#/sec] (mean)
Time per request:       6.619 [ms] (mean)
Time per request:       0.207 [ms] (mean, across all concurrent requests)
Transfer rate:          632.62 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.3      0       3
Processing:     1    6   4.9      5      40
Waiting:        1    6   4.9      5      39
Total:          1    7   4.9      5      40

Percentage of the requests served within a certain time (ms)
  50%      5
  66%      6
  75%      7
  80%      8
  90%     14
  95%     18
  98%     21
  99%     25
 100%     40 (longest request)