ab with erlang and PHP?which is better??

Saravana <>
Thu Apr 8 20:46:12 CEST 2010


Here i created the application that is used to show the results from
the mysql database by both erlang and PHP ..to measure the
performance...
just here i used ab benchmark to make it as sample....


PHP application by apache benchmark results:

:~$ ab -n 1000 -c 5 http://localhost/sample.php
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 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:        Apache/2.2.11
Server Hostname:        localhost
Server Port:            80

Document Path:          /sample.php
Document Length:        461 bytes

Concurrency Level:      5
Time taken for tests:   0.616 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      713713 bytes
HTML transferred:       461461 bytes
Requests per second:    1622.77 [#/sec] (mean)
Time per request:       3.081 [ms] (mean)
Time per request:       0.616 [ms] (mean, across all concurrent
requests)
Transfer rate:          1131.05 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       4
Processing:     1    3   2.5      2      44
Waiting:        1    3   2.1      2      44
Total:          1    3   2.5      2      44

Percentage of the requests served within a certain time (ms)
  50%      2
  66%      3
  75%      4
  80%      4
  90%      5
  95%      7
  98%      8
  99%     11
 100%     44 (longest request)

Erlang web application by apache benchmark::

:~$ ab -n 1000 -c 5 http://localhost:8000/
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 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:        inets/5.0.12
Server Hostname:        localhost
Server Port:            8000

Document Path:          /
Document Length:        2689 bytes

Concurrency Level:      5
Time taken for tests:   6.255 seconds
Complete requests:      1000
Failed requests:        962
   (Connect: 0, Receive: 0, Length: 962, Exceptions: 0)
Write errors:           0
Total transferred:      2982026 bytes
HTML transferred:       2696682 bytes
Requests per second:    159.88 [#/sec] (mean)
Time per request:       31.273 [ms] (mean)
Time per request:       6.255 [ms] (mean, across all concurrent
requests)
Transfer rate:          465.59 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       4
Processing:    20   31   7.1     31      91
Waiting:       20   31   6.8     30      72
Total:         20   31   7.1     31      91

Percentage of the requests served within a certain time (ms)
  50%     31
  66%     33
  75%     35
  80%     36
  90%     38
  95%     43
  98%     49
  99%     62
 100%     91 (longest request)

when we compared both ...incredibly happened..erlang has high response
time how?
what happened?what went wrong??just give some suggestions???


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