Hi List,
My aerial imagery is 31GB, comprising 13 optimised (tiled and pyramided)
geotiffs which make up an ImageMosaic. The imagery is in EPSG:27700 -
British National Grid. This all works fine.
However, a certain piece of proprietary GIS software (namely ESRI) is
incapable of automatically using the native projection and instead requests
the layer in EPSG:4326 whenever it's added.
The request is:
http://example.com/gs/ows?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&CRS=CRS:84&BBOX=-1.9868610903408341,51.938491047471814,-1.1430930819885086,52.705668101075581&WIDTH=919&HEIGHT=836&LAYERS=Aerial_Photography%3aAerial_Photography_2013&STYLES=&EXCEPTIONS=XML&FORMAT=image/png&BGCOLOR=0xFEFFFF&TRANSPARENT=TRUE
This then proceeds to hammer GeoServer which maxes out its allocated RAM,
uses 100% of one core of the CPU it's on, and becomes generally much less
responsive. The request never seems to time out, it just keeps processing
indefinitely.
I appreciate that warping is a computationally hard problem, but shouldn't
there be some sort of built in clean up to stop this?
My WMS "resource consumption limits" are all at the defaults.
The tomcat localhost_access.log doesn't even show the request, even 11 mins
later - I have to use Fiddler.
Any suggestions for how to handle this situation? It's impossible to remove
EPSG:4326 from the CRS list (it's in the WMS spec as mandatory), and it's
impossible to get ArcGIS to behave properly, so is there another solution
that entails getting GeoServer to work smarter?
Cheers,
Jonathan
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