[ka-Map-users] Performance problems

[Jeff Dege]

Yes, of course.

> -----Original Message-----
> From: Stephen Woodbridge [mailto:woodbri at swoodbridge.com]
> Sent: Thursday, March 26, 2009 4:02 PM
> To: Jeff Dege
> Cc: ka-map-users at lists.maptools.org
> Subject: Re: [ka-Map-users] Performance problems
> 
> Have you rebuilt the shptree indexes?
> 
> find /path/to/data -name \*.shp -exec shptree {} \;
> 
> should do it on linux.
> 
> -Steve W
> 
> Jeff Dege wrote:
> >
> >
> > We've a site running KaMap that has run with acceptable performance
> for
> > a number of years.  The shapefiles were recently upgraded, and now
> the
> > performance sucks.
> >
> >
> >
> > Looking in the Apache logs, I'm seeing:
> >
> >
> >
> >    msDrawMap(): Layer 9 (ADDRESS), 125.109s
> >
> >    ...
> >
> >    msDrawLabelCacheGD(): labelcache_map_edge_buffer  = -40
> >
> >    msDrawMap(): Drawing Label Cache, 129.358s
> >
> >
> >
> > If I'm counting correctly, Layer 9 is an annotation layer containing
> > street addresses that is drawn only at very tight zooms.
> >
> >
> >
> > When I run shp2img, with the extents closed down so that the address
> > layer is drawn, I see:
> >
> >
> >
> >   msDrawMap(): Layer 9  *ADDRESS), 0.532
> >
> >    ...
> >
> >    msDrawMap(): Drawing Label Cache, 0.547s
> >
> >
> >
> > Any idea as to why drawing this layer would be so much slower, when
> done
> > by KaMap from Apache, than when done by shp2img from the command
> line?
> >
> >
> >
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