[mapguide-users] MGOS2.0.1 & Raster Files Performance

[Rahul]

Hi Gunter,
                    I already tried Creating Tile Index Config Files after changing the parameters for the MGOS2.0.1 andit use to create new connection for the Image Feature source .I can preview the layers using MapGuide Studio2009 but after using Tile Index as well as built in pyramids for ecw file ,I still use to get the same errors as below.
* Out of memory (Infact i tried to run some batch file as well as another script to monitor the memory usage and restart the mapguide service to avoid memeory leakage.)
* Failed to stylize layer
* with some ecw files when zoom at certain scales no image display and get the error (Cannot create any more connections to the OSGeo.Gdal FDO provider)
 
Thks
Max !!



----- Original Message ----
From: Gunter Becker <gunter.becker at CSOGIS.DE>
To: mapguide-users at lists.osgeo.org
Sent: Thursday, June 5, 2008 8:05:11 PM
Subject: Re: [mapguide-users] MGOS2.0.1 & Raster Files Performance


Hi Max,

please habe a look at  http://trac.osgeo.org/fdo/wiki/FdoGdalNotes Creating
Tile Index Config Files . Maybe you can build a tile index for your
ecw-files. That will minimiz the file access. But I don't know if this works
with ecw. 

Gunter


max_samart wrote:
> 
> Hi All,
>             I am using PHP+Apache+Windows Server 2003  and i have around
> 50 ecw files in one folder, i created the Image Feature Source using the
> OSGeo.Gdal FDO provider and able to view the raster data overlaid with the
> vector data but the problem is about the performance and sometime it use
> to fail to stylize layer due to Cannot create any more connections to the
> OSGeo.Gdal FDO provider  as well as the server also use to give the error 
> Please try your operation later as the resource was busy:
> Library://Raster/Data/Images.FeatureSource . 
> How to solve the issue.
> 
> Thks
> Max !!
> ------------------------------------------------------------------------------------------------------
> Error
> <2008-06-05T15:41:04>    Administrator
>  Error: Failed to stylize layer: Image
>         Cannot create any more connections to the OSGeo.Gdal FDO provider.
>  StackTrace:
>   - MgMappingUtil.StylizeLayers line 775 file
> d:\buildforgeprojects\mapguide_open_source_v2.0\build_27.16\mgdev\server\src\services\mapping\MappingUtil.cpp Failed
> to stylize layer: Image
> Cannot create any more connections to the OSGeo.Gdal FDO provider.
> 
> <2008-06-05T15:42:26>    Administrator
>  Error: Please try your operation later as the resource was busy:
> Library://Raster/Data/Images.FeatureSource
>  StackTrace:
>   - MgResourceServiceHandler.ProcessOperation line 80 file
> d:\buildforgeprojects\mapguide_open_source_v2.0\build_27.16\mgdev\server\src\services\resource\ResourceServiceHandler.cpp
>   - MgOpDeleteResource.Execute line 97 file
> d:\buildforgeprojects\mapguide_open_source_v2.0\build_27.16\mgdev\server\src\services\resource\OpDeleteResource.cpp
>   - MgServerResourceService.DeleteResource line 750 file
> d:\buildforgeprojects\mapguide_open_source_v2.0\build_27.16\mgdev\server\src\services\resource\ServerResourceService.cpp
>   - MgServerFeatureService.NotifyResourcesChanged line 1457 file
> d:\buildforgeprojects\mapguide_open_source_v2.0\build_27.16\mgdev\server\src\services\feature\ServerFeatureService.cpp
>   - MgFdoConnectionManager.RemoveCachedFdoConnection line 1006 file
> d:\buildforgeprojects\mapguide_open_source_v2.0\build_27.16\mgdev\server\src\common\manager\FdoConnectionManager.cpp Please
> try your operation later as the resource was busy:
> Library://Raster/Data/Images.FeatureSource
> --------------------------------------------------------------------------------------------------------
> 
> 
> 
> _______________________________________________
> mapguide-users mailing list
> mapguide-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
> 
> 

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