7:27pm shiny:~/bm> http_load -parallel 5 -fetches 1000 bm1.txt
1000 fetches, 5 max parallel, 6e+06 bytes, in 58.1026 seconds
6000 mean bytes/connection
17.2109 fetches/sec, 103266 bytes/sec
msecs/connect: 0.403263 mean, 68.603 max, 0.194 min
msecs/first-response: 284.133 mean, 5410.13 max, 55.735 min
HTTP response codes:
  code 200 -- 1000

8:02pm ubuntu:~> vmstat 1
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id wa
10  0    148  83636 213480 387212    0    0     0     0 1613  1065 90 10  0  0
 5  0    148  87164 213480 387212    0    0     0     0 1460  1013 90 10  0  0
 5  0    148  87288 213480 387216    0    0     0     0 1460   966 91  9  0  0
 7  0    148  84932 213480 387216    0    0     0     0 1459   956 90 10  0  0
 7  0    148  86792 213484 387220    0    0     0   136 1534  1051 93  7  0  0
 7  0    148  86156 213484 387220    0    0     0     0 1484  1003 90 10  0  0
 5  0    148  87768 213484 387224    0    0     0     0 1493  1067 91  9  0  0