AB 1M 20k nodejs

Concurrency Level:      20000
Time taken for tests:   1043.076 seconds
Complete requests:      1000000
Failed requests:        25227
   (Connect: 0, Receive: 8409, Length: 8409, Exceptions: 8409)
Write errors:           0
Total transferred:      81265680 bytes
HTML transferred:       18059040 bytes
Requests per second:    958.70 [#/sec] (mean)
Time per request:       20861.529 [ms] (mean)
Time per request:       1.043 [ms] (mean, across all concurrent requests)
Transfer rate:          76.08 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0 10201 2391.8  10840   20177
Processing:   595 10455 3239.1  10904   39809
Waiting:        0 8323 2331.0   8728   38740
Total:       1181 20656 4758.5  21795   44333

Percentage of the requests served within a certain time (ms)
  50%  21795
  66%  21929
  75%  22047
  80%  22135
  90%  22667
  95%  24252
  98%  24727
  99%  25942
 100%  44333 (longest request)