[OSM-dev] OSM and CouchDB/GeoCouch

[Andreas Kalsch]

What about rewriting this stuff in C? I have written a MySQL importer in 
C some time ago, so what about reusing its XML parsing part?

If you are interested, I'll put it on Github.

Andi

Am 03.07.10 22:43, schrieb Ian Dees:
> On Sat, Jul 3, 2010 at 1:17 PM, Nolan Darilek <nolan at thewordnerd.info 
> <mailto:nolan at thewordnerd.info>> wrote:
>
>     On 07/03/2010 01:09 PM, Nolan Darilek wrote:
>
>         On 07/02/2010 01:52 PM, Serge Wroclawski wrote:
>
>             Similarly, Ian Dees and I have written a server using
>             MongoDB, which
>             also provides functionality such as auto-sharding and built in
>             map/reduce.
>
>
>         Is this work available anywhere? How did you find performance
>         to be, and to what uses did you put it?
>
>         I've done some experiments creating a LibOSM MongoDB backend
>         and found its performance fairly bad, but I don't have the
>         most optimal server for it, and probably didn't use MongoDB to
>         its limits. If you experienced good performance for real-time
>         operations then I'd be very interested in seeing how you
>         managed it so I might adopt the techniques and see if I have
>         any better luck.
>
>         It seemed to me that a dump of the entire planet would require
>         a substantial server to serve up, so I abandoned the work, but
>         would very much like to revive it if it's at all workable.
>
>
> The code is here: http://github.com/iandees/mongosm
>
> It took several days to import a planet file. The majority of the CPU 
> time was spent serializing/deserializing BSON in Python and the Mongo 
> server had very little CPU time so if I use a language with a faster 
> BSON implementation it might be faster.
>
> Serge was working on a way to import diff files to maintain mintutely 
> updates.
>
> I was working on an HTTP API interface.
>
>
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