[OSM-dev] informationfreeway cache

[Robert (Jamie) Munro]

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Grant Slater wrote:
> Hi,
> 
> Stats now available for the squid cache serving as the default layer for 
> www.informationfreeway.org:

Is it the default layer? I thought it was 1/4 of the tiles on the
default layer, with the other 3/4 coming from the other servers that are
selectable as layers. I'm wondering if it is time to move to this scheme
on the OSM home page's osmarender layer.

> http://code.firefishy.com/files/cache-stats/
> 
> Summary: Tiles served 56% quicker.
> ~2GB of tiles per day @ 60% cache hit rate.
> 
> As the project grows, distributed caching becomes more important to 
> offload key infrastructure.
> 
> Mapnik layer next?

With the Mapnik layer it's probably more efficient to generate it in two
places than to cache the results of generating it in one.

We should make a mapnik layer that uses the telascience tilecache tiles
for half the tiles (as used by labs.metacarta.com), and the tiles.osm
tiles for the other half.

Robert (Jamie) Munro


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