[Qgis-developer] Integration of QGIS mapserver to svn?

Pirmin Kalberer pi_ml at sourcepole.com
Mon Aug 23 19:08:38 EDT 2010


Hi Tim,
Today we did the first run of the FOSS4G benchmark: 
http://wiki.osgeo.org/wiki/Benchmarking_2010
But it's too early for results...
Regards
Pirmin

Am Montag, 23. August 2010, um 23.32:18 schrieb Tim Sutton:
> Hi
> 
> > I've added one missing thing as a comment, and Andreas listed all
> > others... Thanks for the article.
> > 
> > Regards
> > Pirmin
> 
> One other thing - did you do any load testing with it? I did a little
> test using the apache benchmarking tool (sudo apt-get install
> apache2-utils):
> 
> This one does 100 requests with at most 10 concurrent requests.
> 
> timlinux at timvaio:/usr/lib/cgi-bin/world$ ab -n 100 -c 10
> "http://localhost/cgi-bin/world/qgis_mapserv.fcgi?SERVICE=WMS&VERSION=1.3.0
> &REQUEST=GetMap&BBOX=-36.215710,6.817432,-9.700450,58.551008&CRS=EPSG:4326&
> WIDTH=1077&HEIGHT=552&LAYERS=Continent,Country,Cities&STYLES=,,&FORMAT=imag
> e/jpeg&DPI=96" 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).....done
> 
> 
> Server Software:        Apache/2.2.14
> Server Hostname:        localhost
> Server Port:            80
> 
> Document Path:
> /cgi-bin/world/qgis_mapserv.fcgi?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&B
> BOX=-36.215710,6.817432,-9.700450,58.551008&CRS=EPSG:4326&WIDTH=1077&HEIGHT
> =552&LAYERS=Continent,Country,Cities&STYLES=,,&FORMAT=image/jpeg&DPI=96
> Document Length:        49558 bytes
> 
> Concurrency Level:      10
> Time taken for tests:   39.587 seconds
> Complete requests:      100
> Failed requests:        0
> Write errors:           0
> Total transferred:      4971400 bytes
> HTML transferred:       4955800 bytes
> Requests per second:    2.53 [#/sec] (mean)
> Time per request:       3958.659 [ms] (mean)
> Time per request:       395.866 [ms] (mean, across all concurrent requests)
> Transfer rate:          122.64 [Kbytes/sec] received
> 
> Connection Times (ms)
>               min  mean[+/-sd] median   max
> Connect:        0    1   2.3      0      13
> Processing:  3411 3930 155.7   3946    4221
> Waiting:     3382 3824 140.6   3836    4110
> Total:       3411 3931 155.7   3946    4221
> 
> Percentage of the requests served within a certain time (ms)
>   50%   3946
>   66%   3991
>   75%   4016
>   80%   4050
>   90%   4106
>   95%   4150
>   98%   4212
>   99%   4221
>  100%   4221 (longest request)
> 
> 
> It seems to cope ok with a number of concurrent users. A bit of
> tilecache in front of it may speed things up for timing sensitive
> folks (also not running it on my laptop might make it faster :-) )
> 
> Regards
> 
> Tim


-- 
Pirmin Kalberer
Sourcepole  -  Linux & Open Source Solutions
http://www.sourcepole.com


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