[mapguide-users] MgCooker: bad performance, I can't use it. Help!!!

[Zac Spitzer]

have you tried the latest release?

On Sat, May 12, 2012 at 3:13 AM, Franz1965 <fsozzi at intercad.ch> wrote:
> Hi list,
>
> I have a very big problems on tiles generatig by MgCooker. I've made many
> tests in the last months with several projects and different machines, and
> the conclusion is that is nearly impossible to use, or you can use if you
> can wait days or weeks for finishing processes. In my case , I know nobody
> that can wait for so much on updating his data.
>
> I would like to share my experience with somebody that really uses MgCooker
> for tiles generation, just to understand if it is really possible to use it
> and at which conditions.
>
> Today I've opened a case ( http://trac.osgeo.org/mapguide/ticket/1999 ticket
> 1999 ) becasue I've discovered that more than 90% of tiles are blank and
> useless, so more than 90% of time is totally wasted time.
>
> I've just finished a last comparison test with several options on MgCooker
> vs AIMS Studio.
> Here you are my results.
>
> The project is very light:
> - a map with one base layer with 20 layers from shapfiles.
> - the extention area is 50 km2, a very little town.
>
> I use processor Intel Xeon X3440 @ 2.53Ghz 2.53Ghz (2 processor) on Windows
> Server 2008 64bits.
>
> Serverconfig.ini is configured as follows:
> RenderOnly                         = 0
> TileCachePath                      =C:\Program
> Files\OSGeo\MapGuide\Server\Repositories\TileCache\
> TileColumnsPerFolder               = 500
> TileRowsPerFolder                  = 500
> DefaultTileSizeX                   = 1000
> DefaultTileSizeY                   = 1000
> ImageFormat                        = PNG
>
> I've configured tiles for scales:
> - 200
> - 500
> - 1'000
> - 2'500
> - 5'000
> - 35'000
>
> MgCooker performances:
> - if I use standard configuration, 20 concurrent process with CPU 80%-90%:
> 1'012'588 tiles, 100 tiles each minute
> - if I use official method with 1 meter pr. unit, 20 concurrent process with
> CPU 80%-90%: 460'458 tiles, 100 tiles each minute
> With MgCooker nothing changes if I redefine a closer bounding box
>
> AIMS Studio 2012
> - if I don't redefine a bounding box and with 10 concurrent process (the max
> in AIMS Studio) I get 138'667 tiles to be generated
> - if I redefine a bounding box closer to the town and with 10 concurrent
> process I get 69'089 tiles to be generated
>
> Both Mapguide and AIMS generated a big amount of blank and useless tiles,
> but with AIMS I can reduce 460'458 tiles to 69'089 tiles.
>
> Both products waste a lot of time in generating blank tiles (about 80% blank
> tiles for AIMS and 90%-95% and more for MgCooker).
>
> If somebody wants to take a try to the process to check and compare time,
> I've attached this project to  http://trac.osgeo.org/mapguide/ticket/1999
> ticket 1999 .
>
> Are there anybody that has the same troubles? Any workaround?
>
>
> --
> View this message in context: http://osgeo-org.1560.n6.nabble.com/MgCooker-bad-performance-I-can-t-use-it-Help-tp4968806.html
> Sent from the MapGuide Users mailing list archive at Nabble.com.
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-- 
Zac Spitzer
Solution Architect / Director
Ennoble Consultancy Australia
http://www.ennoble.com.au
http://zacster.blogspot.com
+61 405 847 168