[OpenLayers-Users] OpenLayers.Layer.TMS requesting too many tiles?

Christopher Schmidt crschmidt at metacarta.com
Tue Feb 17 11:36:44 EST 2009


On Tue, Feb 17, 2009 at 09:57:56AM -0600, Brian Walawender wrote:
> Hello,
> 
> I'm trying to have OpenLayers interact with TileCache similar to the way the
> Google Maps and GTileLayerOverlay interacts with tilecache.    My Google
> example will load in about 3 seconds (the tiles were already created) and
> requests 55 tiles from the server.  My Openlayers application takes several
> minutes to load and is requesting about 3 times as many tiles.  It also
> spawns numerous Python processes on the servers and max out the CPU.  

1. Don't use TileCache as CGI if you care in the slightest about
performance. Really. I mean it.

2. set 'buffer': 0 as an option on your TMS layer.

Regards,
-- 
Christopher Schmidt
MetaCarta



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