[Tilecache] Duplicate WMS request sent to underlying WMS server

[Christopher Schmidt]

On Mon, Aug 03, 2009 at 03:24:39AM -0700, andrew2 wrote:
> 
> Hi,
> I'm facing strange behaviour of TileCache. I defined one WMS layer that uses
> metatiling. I do not use seeding and tile requests to uncached tiles are
> transformed to standard WMS requests. On my desktop it run's very well, but
> when I try it on our server with more CPUs, each WMS request to underlying
> WMS server is generated twice. And it is really exactly the same requests
> (the same BBOX, the same size of the response).

What version of TileCache are you using, and are you using the Disk cache? 
This was fixed in:

 r391 | crschmidt | 2009-05-29 06:40:09 -0400 (Fri, 29 May 2009) 

-- Chris

> Isn't it possible that, because of parallel processing, two tile requests
> laying in the same metatile are evaluated as uncached? Is there any way how
> to control this behaviour?
> 
> Thanks for any advice.
> Andrew
> -- 
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-- 
Christopher Schmidt
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