gistfile1.txt

#
# apache tuned to just exhaust memory under load with mri
#
# ree shows system savings of ~60 MB over mri with 4 concurrent requests under light load
# for approx 23% decrease in memory usage
#
# free/swap idle -- 272008 / 30288
# free/swap ree  -- 71812  / 30288
# free/swap idle -- 271748 / 30284
# free/swap mri  -- 12908  / 32324
# free/swap idle -- 299452 / 30620
#
# mods-available/passenger-ee.* -- REE passenger and ruby
# mods-available/passenger.* -- MRI passenger and ruby
#
root@dev:/etc/apache2/mods-enabled# /etc/init.d/apache2 stop 
 * Stopping web server apache2
 ... waiting    ...done.
root@dev:/etc/apache2/mods-enabled# rm passenger.conf passenger.load; ln -s ../mods-available/passenger-ee.conf passenger.conf; ln -s ../mods-available/passenger-ee.load passenger.load
root@dev:/etc/apache2/mods-enabled# free
             total       used       free     shared    buffers     cached
Mem:        368836      96828     272008          0       2768      41216
-/+ buffers/cache:      52844     315992
Swap:       364536      30288     334248
root@dev:/etc/apache2/mods-enabled# /etc/init.d/apache2 start
 * Starting web server apache2
   ...done.
root@dev:/etc/apache2/mods-enabled# ab -n 200 -c 4 http://dev.brianturnbull.com/documents
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 dev.brianturnbull.com (be patient)
Completed 100 requests
Completed 200 requests
Finished 200 requests


Server Software:        Apache/2.2.11
Server Hostname:        dev.brianturnbull.com
Server Port:            80

Document Path:          /documents
Document Length:        58667 bytes

Concurrency Level:      4
Time taken for tests:   11.793 seconds
Complete requests:      200
Failed requests:        0
Write errors:           0
Total transferred:      11850800 bytes
HTML transferred:       11733400 bytes
Requests per second:    16.96 [#/sec] (mean)
Time per request:       235.853 [ms] (mean)
Time per request:       58.963 [ms] (mean, across all concurrent requests)
Transfer rate:          981.38 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:   100  235 283.7    202    2171
Waiting:      100  234 283.6    202    2170
Total:        100  235 283.8    202    2171

Percentage of the requests served within a certain time (ms)
  50%    202
  66%    206
  75%    212
  80%    215
  90%    235
  95%    278
  98%   2125
  99%   2149
 100%   2171 (longest request)
root@dev:/etc/apache2/mods-enabled# free
             total       used       free     shared    buffers     cached
Mem:        368836     297024      71812          0       2816      41340
-/+ buffers/cache:     252868     115968
Swap:       364536      30288     334248
root@dev:/etc/apache2/mods-enabled# /etc/init.d/apache2 stop 
 * Stopping web server apache2
 ... waiting    ...done.
root@dev:/etc/apache2/mods-enabled# rm passenger.conf passenger.load; ln -s ../mods-available/passenger.conf passenger.conf; ln -s ../mods-available/passenger.load passenger.load
root@dev:/etc/apache2/mods-enabled# free                    
             total       used       free     shared    buffers     cached
Mem:        368836      97088     271748          0       2844      41260
-/+ buffers/cache:      52984     315852
Swap:       364536      30284     334252
root@dev:/etc/apache2/mods-enabled# /etc/init.d/apache2 start
 * Starting web server apache2
   ...done.
root@dev:/etc/apache2/mods-enabled# ab -n 200 -c 4 http://dev.brianturnbull.com/documents
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 dev.brianturnbull.com (be patient)
Completed 100 requests
Completed 200 requests
Finished 200 requests


Server Software:        Apache/2.2.11
Server Hostname:        dev.brianturnbull.com
Server Port:            80

Document Path:          /documents
Document Length:        58667 bytes

Concurrency Level:      4
Time taken for tests:   14.824 seconds
Complete requests:      200
Failed requests:        0
Write errors:           0
Total transferred:      11850800 bytes
HTML transferred:       11733400 bytes
Requests per second:    13.49 [#/sec] (mean)
Time per request:       296.484 [ms] (mean)
Time per request:       74.121 [ms] (mean, across all concurrent requests)
Transfer rate:          780.69 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:   108  295 687.6    196    5392
Waiting:      108  294 687.6    196    5392
Total:        108  295 687.6    196    5392

Percentage of the requests served within a certain time (ms)
  50%    196
  66%    201
  75%    204
  80%    208
  90%    252
  95%    497
  98%   4619
  99%   5376
 100%   5392 (longest request)
root@dev:/etc/apache2/mods-enabled# free
             total       used       free     shared    buffers     cached
Mem:        368836     355928      12908          0        296      11668
-/+ buffers/cache:     343964      24872
Swap:       364536      32324     332212
root@dev:/etc/apache2/mods-enabled# /etc/init.d/apache2 stop
 * Stopping web server apache2
 ... waiting    ...done.
root@dev:/etc/apache2/mods-enabled# free
             total       used       free     shared    buffers     cached
Mem:        368836      69384     299452          0        516      15196
-/+ buffers/cache:      53672     315164
Swap:       364536      30620     333916
root@dev:/etc/apache2/mods-enabled# uname -a
Linux dev.brianturnbull.com 2.6.18.8-x86_64-linode1 #1 SMP Thu Apr 10 11:20:13 EDT 2008 x86_64 GNU/Linux
root@dev:/etc/apache2/mods-enabled#