can you please post your openlayers code for that cached layer? and what
j2ee container are you using?
regards,
Imran
On Mon, May 7, 2012 at 5:05 PM, Paul Meems <[email protected]> wrote:
> 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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