[mapguide-users] UnManagedData Slow

[Andy Morsell]

See this existing trac ticket on this topic:
http://trac.osgeo.org/mapguide/ticket/175.  If you enable pooling for SDF (I
believe SDF by default is excluded from pooling in serverconfig.ini) you
should see the same performance increase noted in the ticket.  The
development team is aware of these issues and have set the milestone for
this to be fixed in release 1.3 


Andy Morsell, P.E.
Spatial Integrators, Inc.
http://www.SpatialGIS.com

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of nicholda
Sent: Thursday, July 05, 2007 5:58 AM
To: mapguide-users at lists.osgeo.org
Subject: [mapguide-users] UnManagedData Slow


Hi all,

I hope someone can point me in the right direction, I am using 1.2 and have
re-mapped data to a location on disk.  I am seeing a noticeable difference
in response time between managed and unmanaged data.  I re-mapped my feature
source as shown below.

Original
<?xml version="1.0" encoding="utf-8"?>
<FeatureSource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xsi:noNamespaceSchemaLocation="FeatureSource-1.0.0.xsd">
  <Provider>OSGeo.SDF</Provider>
  <Parameter>
    <Name>File</Name>
    <Value>>%MG_DATA_FILE_PATH%AsBuiltBldgs.sdf</Value>
  </Parameter>
  <Parameter>
    <Name>ReadOnly</Name>
    <Value>TRUE</Value>
  </Parameter>
</FeatureSource>

Modified
<?xml version="1.0" encoding="utf-8"?>
<FeatureSource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xsi:noNamespaceSchemaLocation="FeatureSource-1.0.0.xsd">
  <Provider>OSGeo.SDF</Provider>
  <Parameter>
    <Name>File</Name>
    <Value>E:/FME_Data/mgos/AsBuiltBldgs.sdf</Value>
  </Parameter>
  <Parameter>
    <Name>ReadOnly</Name>
    <Value>FALSE</Value>
  </Parameter>
</FeatureSource>

After re-mapping I added the following alias to the serverconfig.ini file.

[UnmanagedDataMappings]
UnmanagedSdf = E:\FME_Data\mgos


I then used the EnumerateUnmanagedData API to get the following.  But I am
not sure what to do next.

  <?xml version="1.0" encoding="UTF-8"?> <UnmanagedDataList
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="UnmanagedDataList-1.0.0.xsd">
	<UnmanagedDataFile>
	
<UnmanagedDataId>[UnmanagedSdf]AsBuiltBldgs.sdf</UnmanagedDataId>
		<CreatedDate>2007-06-28T13:00:40Z</CreatedDate>
		<ModifiedDate>2007-06-28T13:00:40Z</ModifiedDate>
		<Size>563200</Size>
	</UnmanagedDataFile>
</UnmanagedDataList>

Am I on the right track for improved performance/response time or am I
completely off base.  Any suggestions are welcomed.

Thanks,

David
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