Hey Dave,
  You can also upload the CSV to the blobstore then process it with
your own code or using the mapreduce lib.  Ikai has a blog post
explaining the process.
    
http://ikaisays.com/2010/08/11/using-the-app-engine-mapper-for-bulk-data-import/

   I've used a similar approach several times in the past.  I didn't
use the mapper, but the idea was the same.  I personally highly
recommend the approach.



Robert




On Mon, May 23, 2011 at 05:51, David Stone <[email protected]> wrote:
> Hi,
>
> As the GAE document described, uploading data (e.g csv) to GAE
> datastore can be done by using bulk loader and with appcfg.py
> upload_data --application=<app-id> --kind=<kind> --filename=<data-
> filename> <app-directory> command as described at
> http://code.google.com/appengine/docs/python/tools/uploadingdata.html.
>
> I am wondering is there any other ways to upload data to GAE
> datastore? which way is the best?
>
> Thanks a lot.
>
> David
>
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