Hi,
I'm new to this list. I'm Paul I'm from The Netherlands and I'm in the
process of making a simple WebGIS with just viewing capabilities.
I have a cloud server running Ubunto. GeoServer v2.1.3 and PostGreSQL v9.1
with PostGIS.
All is running well except for the performance. It takes very long to show
my WMS data in OpenLayers.
I have enabled GeoWebCache and am using tiled: true, format: 'image/png8'
and palette: 'safe'.
I have pre-seeded my layer and I see on the Cached Layers page of the
GeoServer admin that it is using 44MB.
So far so good, but somehow I'm not certain my OpenLayers application is
using these tiles. Also because I would suspect that even if I didn't
seeded correctly the tiles would be generated on the fly.
And thus following visits to my page would be faster. But my initial start
at zoom level 12 and I need 46 tiles, this takes between 2.5 and 3 minutes
to load.
Much to slow!
The tile sizes are from 35kB - 290b.
This is the request I make;
http://myIP/geoserver/myApp/wms?LAYERS=myLayername&FORMAT=image%2Fpng8&TRANSPARENT=TRUE&PALETTE=safe&TILED=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A3857&BBOX=728903.50162598,6980840.9182568,733795.47143555,6985732.8880664&WIDTH=256&HEIGHT=256
I tried looking for the tiles on my Ubunto server. I was expected a
directory structure with a lot of subdirs with numbers (zoomlevels, X and
Y) and eventually the png files.
But I can't find it. I must say I'm still a novice with Ubuntu so I might
not be searching correctly or the tiles are not saved to disk.
Can anybody point me in the correct direction about solving this
performance issue?
Thanks,
Paul
--
Organizing the International Open Source GIS conference 2012 in The
Netherlands:
http://www.mapwindow.org/conference/2012/
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