Hi again,
I really do not understand why it takes weeks for a simple 100 MB Shapefile
with just LineStrings in Germany to render. 99.99 % of all tiles are just
empty/transparent PNGs anyways, rest is just some red lines… I googled and
found
http://gis.stackexchange.com/questions/20712/geoserver-wms-tile-rendering-is-too-slow
1. Would it make a difference to add a spatial index to the Shapefile? (I did
not check if it has one, I would assume that GeoServer just adds one if
necessary – how can I check if this has been done?)
2. Also, we use the GeoServer-CSS extension. But the style is as simple as this:
* {
fill: #e31a1c;
fill-opacity: 0.27;
stroke: #e31a1c;
stroke-width: 1;
stroke-opacity: 1;
}
Anyway, can this be related to the long seeding times?
3. Maybe some kind of metatiling can be used to speed things up?
For OSM rendering with mapnik for same extent and much more features, it took
just a few days. So I really do not get it, why it takes weeks for a damn
simply Shapefile.
Ideas welcome…
Jens
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