[mapserver-users] WMS Server Optimization?

[gom]

Thanks for the tip Andrea. 

I tried the settings but it makes no difference.  

I have included my map file to be sure I am am asking the question clearly
and to be sure I am implelemnting you suggestion correctly.


MAP
	NAME "RasterSample"
	SIZE 300 450
	EXTENT 496500.000 6234300.00 597000.000 6401200.000
	SHAPEPATH "D:/mapserv/shapes"	
	CONFIG "PROJ_LIB" "D:/proj/SHARE/"
	
	WEB
       	IMAGEPATH "D:\tmp"
		METADATA
			"wms_title"           "WMS Demo Server"
			"wms_onlineresource" 
"http://myserver:8080/cgi-bin/mapserv.exe?map=d:/mapserv/images/images.map&"
			"wms_srs"             "EPSG:26910"
			"wms_enable_request"  "GetMap GetCapabilities"
		END
	END
	
	PROJECTION
		"init=epsg:26910"
	END

	OUTPUTFORMAT
		NAME "png8"
		DRIVER AGG/PNG8
		MIMETYPE "image/png; mode=8bit"
		IMAGEMODE RGB
		EXTENSION "png"
		FORMATOPTION "QUANTIZE_FORCE=on"
		FORMATOPTION "QUANTIZE_COLORS=256"
	END

	LAYER
    	NAME "2013-12-23_5m"
		EXTENT 496500.000 6234300.00 597000.000 6401200.000
		METADATA
			"wms_title"    "2013-12-23_5m"
			"wms_extent" "496500.000 6234300.00 597000.000 6401200.000"
		END
    	TYPE RASTER
    	STATUS OFF
    	TILEINDEX "2013-12-23_be_5m.shp"
		TILEITEM "LOCATION"
		PROJECTION
			"init=epsg:26910"
		END
		MINGEOWIDTH 8000.01
		MAXGEOWIDTH 25000
	END
	
	LAYER
    	NAME "2013-12-23"
		EXTENT 496500.000 6234300.00 597000.000 6401200.000
		METADATA
			"wms_title"    "2013-12-23"
			"wms_extent" "496500.000 6234300.00 597000.000 6401200.000"
		END
    	TYPE RASTER
    	STATUS OFF
    	TILEINDEX "2013-12-23_be.shp"
		TILEITEM "LOCATION"
		PROJECTION
			"init=epsg:26910"
		END		
		MAXGEOWIDTH 8000
	END	
END
Andrea Peri wrote
> I set always the EXTEND information at the layer level.
> 
> This speed really the startup of mapserver.
> Without the EXTENT al layer level the WMS try to calculate it to respond
> at
> a
> GetCapability request.
> 
> I guess the wms_extents is not sufficient to speed up mapserver.
> 
> hope to help.
> 
> Andrea.
> 
> 
> 
> 2014-04-02 21:55 GMT+02:00 gom <

> gord.mckenzie@

> >:
> 
>> I have created a Mapserver site and published a couple of large raster
>> layers
>> through WMS.  They work as expected and perform quiite well.
>>
>> When i add the wms layers to Gaia or to Global Mapper they add and
>> display
>> great.  I want to display the layers in AutoCAD Map.  When I add the WMS
>> layer there it takes 1.5 to 3 minutes to add the layer.  After that it
>> works
>> fine.  No other WMS layers behave like that in AutoCAD Map and as I
>> mentioned previously, the layers don't work like that in any other
>> program.
>>
>> The layers are made up of about 1600 PNG images that are referenced in
>> the
>> .map file by tileindexes.  One layer is at 2 metre pixels and the other
>> at
>> 5
>> metre pixels.  If I remove the layer that references the 2 metre images
>> and
>> only use the 5 metre images, the layer is attached quite quickly.  If I
>> switch and use only the 2 metre image layer the speed is slow again.
>>
>> My output format is PNG8.
>> The images are stored in the same projection as they are being queried.
>> I have added the wms_extents metadata to each layer.
>> The MAXGEOWIDTH is such that no data is queried on inital loading of the
>> layer.
>>
>> I have asked the question in the AutoCAD support forums, from the AutoCAD
>> MAp perspective, but was hoping there might be some suggestions as to
>> configuration/map options, in Mapserver, that might help speed up this
>> operation.
>>
>> Thanks
>>
>>
>>
>> --
>> View this message in context:
>> http://osgeo-org.1560.x6.nabble.com/WMS-Server-Optimization-tp5132723.html
>> Sent from the Mapserver - User mailing list archive at Nabble.com.
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>> 

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>>
> 
> 
> 
> -- 
> -----------------
> Andrea Peri
> . . . . . . . . .
> qwerty àèìòù
> -----------------
> 
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