[Benchmarking] Coordination
Paul Ramsey
pramsey at cleverelephant.ca
Mon Jun 15 12:29:21 EDT 2009
On Fri, Jun 12, 2009 at 11:58 PM, Andrea Aime<aaime at opengeo.org> wrote:
> - what's the mix of stores for those layers? Shapefile, postgis,
> SDE, Oracle?
Well, we could go whole hog. I think it mostly is a matter of doing
the appropriate installs and loading the data into documented
tables/layers.
I think we commit to Shape/PostGIS as usual and treat others on an "as
available" basis.
> - let's do again a large raster layer? Again MrSID, or shall we
> use JPEG2000, or ECW? (last year quite a bit of people asked
> me why I did not use ECW, the answer being that I was not
> comfortable with licensing)
Yes, one large wavelet raster. We're going Down Under so maybe we
should do ECW this year?
> - what about an image mosaic with 100-1000 tiles?
Are the semantics similar enough for comparisons? More to the point,
do we have that quantity of data?
> - we could also take OSM data from a city and do a OSM like
> styling of it? Maybe a bit simplified in order to keep
> all the servers on the same line (e.g., if one server
> cannot do styling X it may fall back on a simpler, faster
> option, invalidating the comparison)
OSM has kewl points, but just styling TIGER is sufficient to get what
we want, which is a number.
This question is actually double-barelled:
- Multi-class road style? (Yes!)
- Multi-layer / multi-class full base map (maybe?)
It seems like a multi-layer test really should be added, since it's a
real-world use case that we don't currently exercise. But doing the
data/style set-up on it will be a pain.
> - using again the roads layer, what about a style dependent
> on the zoom level test? Only highway scaled out, everything
> deeper in?
No, I think scale dependence doesn't tell us much.
> - point layer with externally provided symbol, like an
> SVG or a PNG icon?
Yes, that seems like a good idea.
> Oh, mosaic wise, there was quite a thread on OSGEO discuss
> about mosaics on the fs vs mosaic in a database. Well, GeoServer
> does happen to have both options now. I guess a comparison
> between the two could prove entertaining, even if it's a GS
> only show? (to be included right after the cross server mosaic test?)
I don't even know what "mosaic in the database" means, so I am a "no".
P
> Cheers
> Andrea
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