[Mapserver-users] Slow MapServer with large data

[woodbri at swoodbridge.com]

Have you built shptree indexes for all your shapefiles?

On 9 May 2003 at 13:14, jankarin at post1.dknet.dk wrote:

> Hello
> 
> I have a little problem with the speed in MapServer. 
> We're trying to make qiuck-viewer to shape- and tab-formats, but 
> MapServer is running slow with large data: 20 seconds: Shapefil 17 MB,
> dbf-fil 9,5 MB. 45 seconds: Map-fil 31 MB, Dat-fil 25 MB.
> 
> I have been trying with the GCI-version and PHP Mapscript - same
> result.
> 
> I am running MapServer 3.6.4 with PNG-output under Apache 2.4.5 on
> Windows 2000. The pc is Pentim III, 650 Mhz, 262 MB RAM.
> 
> In another installation (PII, 400 Mhz, 196 MB RAM) a shapefile
> (shapefile 17 MB, dbf-fil 9,5 MB) took 80 seconds to show.
> 
> We're using MapServer in an application which is dynamically creating
> map-files with Mapscript (only showing one layer at a time). We're
> talknig about 17.000 layers in shape- and tabformats, so it is not
> possible to improve indexfiles or anything else related to a single
> layer.
> 
> Can anyone help?
> 
> Thanks,
> 
> Jan Christiansen
> jankarin at post1.dknet.dk
> Engineering College of Copenhagen
> 
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