[OpenLayers-Users] limit cache buildup on client?

[Christopher Schmidt]

On Wed, Feb 18, 2009 at 12:55:02PM -0600, William Kyngesburye wrote:
> I noticed this when I was looking at mapfish, but ultimately it's  
> OpenLayers.  As a session in an OL map progresses, cached images build  
> up in the browser.  In a tiled map with many layers and fractionalzoom  
> on this can get up into the many hundreds quite fast.
> 
> I don't know if this adversely affects the browser performance  
> (probably depends on how the browser handles cached files).  Is there  
> a way to limit the number of images OL caches?  Is it worth worrying  
> about?

OL doesn't cache any files, though the number of files it loads can be
miniized by the 'buffer':0 option on tiled layers. 

This is all within the browser realm; outside of the Javascript world.

Regards,
-- 
Christopher Schmidt
MetaCarta