[OSM-dev] Distributed Data Store Follow-Up

Scott Shawcroft scott.shawcroft at gmail.com
Tue Mar 24 16:30:11 GMT 2009


Hi all,
Earlier I posted about how my friend and I were creating a distributed 
data store for OSM data.  We've finished our project and gotten the most 
difficult queries going.  All of our code is freely available along with 
a report about our design and findings on or github wiki at 
http://wiki.github.com/tannewt/menzies.

As it says in our report we were able to do bounding box and regular get 
queries faster than the production 0.5 OSM server.  We, however, did not 
manage to get our own instance of the OSM api running on machines we had 
because of a number of planet import errors.  Thus, we only have a rough 
idea of how well we do latency wise and no idea how the two solutions 
differ under varying loads.

Please let us know what you think.  We firmly believe that distributing 
the data over a number of computers is a far better solution than one 
single supercomputer.

Thanks,
Scott




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