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Thread: OpenStreetMap EBS, questions
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This question is not answered.
Helpful answers available: 2.
Correct answers available: 1.
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Replies:
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Last Post:
Sep 24, 2009 2:46 AM
by: A. R. Williamson
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Registered:
4/15/09
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OpenStreetMap EBS, questions
Posted:
Sep 13, 2009 3:48 PM PDT
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Hi,
Myself and others have been very interested in setting up OpenStreetMap data as an EBS, possibly a public data set, but there are some questions as to how this would work, because the data seems a little different than the other sets - the biggest catch is that it would necessarily have to be updated at least weekly, either that or updates would be quite a tricky affair: there are tools to keep the data updated with diff files, but otherwise you're downloading a 6.9 gig file, unzipping to ~60 gigs, and then doing a 10+ hour import into PostGIS. It might be acceptable to do that process on a longer interval (every month or so), but there is still the question of how to keep people on new data: it seems like the snapshot-id has to change and there's no programmatic way to get it.
So, any thoughts or experiences gained from other similar data would be very appreciated.
Thanks,
Tom
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Posts:
20
Registered:
2/8/06
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Re: OpenStreetMap EBS, questions
Posted:
Sep 24, 2009 2:46 AM PDT
in response to: devseed
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Tom, this would a wonderful dataset to make available to the community at large.
What I would note about implementation is that you would keep your EBS volume uptodate, releasing a new snapshot once a week (or whatever) and others would simply disregard their previous one and mount that new one.
You would naturally discourage application developers from making raw changes to that dataset and instead have them do any of their meta-data storage on a completely new volume, allowing them to easily and quickly change their EBS with the updated data.
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