Reindex task/mapper/job for AppEngine Java

[Koen Maes]

Does anybody know of a library or good code sample that could be used to re-index all/some entities in all/some namespaces ?

If I implement this on my own, is MapReduce what I should consider ?

"I need to re-index ?" feels like a problem many developers have run into but the closest I could find isthis, which may be a good start ?

Other option is a homebrewn solution using Task Queues that iterate the datastore namespaces and entities but I'd prefer not the re-invent the wheel and go for a robust, proven solution.

What are the options ?

I got this question open on SO for some time now, but no luck so far :-(

http://stackoverflow.com/questions/15258246/reindex-task-mapper-job-for-appengine-java

[Mat Jaggard]

I've given an answer on SO. It's not a full working example I'm afraid, but should give you a good idea of what to do.

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