Taking advantage of Ian’s tip I added png & jpeg to the tables I sent yesterday.
-greg.
400x400 pixel area zoom level 8
Format Time Size
GML2 0.265s 88,357
GML2.gz 0.758s 14,934
svg 0.165s 19,419
current 0.094s 4,435
png 0.347s 4,048
jpeg 0.150s 21,873
800x800 pixel area zoom level 16
Format Time Size
GML2 2.664s 1,013,882
GML2.gz 8.311s 153,311
svg 1.298s 138,831
current 0.095s 43,941
png 2.387s 29,081
jpeg 1.569s 129,707
----- Original Message -----
From: Greg Cockroft
To: geoserver-devel@anonymised.com.sourceforge.net
Cc: greg@anonymised.com
Sent: Wednesday, April 07, 2004 4:28 PM
Subject: Some speed tests
Test data is the streets of boston in a postgis database. 32,000 polylines
Input Shapefile was 18 Meg.
geoserver 1.2-beta
Redhad 7.3 on dual 2 Ghz. processor.
tomcat-5.0.19.
The current format is a non-indexed 2D display list that gets
searched sequentially and gzip’ed to the client from a perl cgi.
Times were the best of 3 trials.
Command line http fetch from the same machine.
400x400 pixel area zoom level 8
Format Time Size
GML2 0.265s 88,357
GML2.gz 0.758s 14,934
svg 0.165s 19,419
current 0.094s 4,435
Here is what the data looks like if you have the svg plugin
http://agog.com:8080/geoserver/wms?SERVICE=WMS&VERSION=1.0.0&REQUEST=GetMap&LAYERS=topp:streets&BBOX=773394.1225,2955758.52416667,774706.455833333,2957070.8575&FORMAT=image/svg+xml&styles=normal&WIDTH=400&HEIGHT=400
800x800 pixel area zoom level 16
Format Time Size
GML2 2.664s 1,013,882
GML2.gz 8.311s 153,311
svg 1.298s 138,831
current 0.095s 43,941