There's a lot of good information bubbling out about the pitfalls of moving 
from from ms to hr, especially the problems with keys having your appid in 
them.  Apologies if this question has come up before.

Like most others I suspect, 99% of my datastore objects don't have parents. 
Since these are all in the same root entity group I'm now limited to 1-10 
writes per second to all of these objects if I don't reparent, according to 
http://code.google.com/appengine/docs/python/datastore/hr/overview.html*.*

If my write rate does climb above 10/s I assume that I'm going to block?

What is the strategy here?  I can see making up something random as the 
parent, but then I need that random thing to do a get_by_id since that's 
what I do in most of my app, only passing the id to the user rather than the 
whole key (which you are not supposed to pass to the user because it is a 
security issue if you're using namespace).  Am I screwed?

This is of course leaving the whole issue of consistency aside, I'm ok with 
that side of things, more or less.

Thanks.

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