Barry,
I believe your treat each task as a webrequest and at the moment there is a
10K limit (
http://code.google.com/appengine/docs/python/taskqueue/overview.html) on the
size of task items.  I believe the best course of action is to stash them in
memcache (although I am sure you may get instances where it might be removed
from memcache) - from what I understand enqueing on
to the task queue is a lot faster than storing a temp object in the
data store, depending
on the reason for you using the
queue, persisting the object to the datastore might negate some of its
usefulness.

I think some experimentation is needed.

Paul

2009/6/19 Barry Hunter <[email protected]>

>
> Excellent!
>
> Is there any limits on the 'params' structure in the task queue?
>
> Can we (should we!?!) pass around really big data via this, or would
> it be best stored in memcache (for example) and just the key passed?
>
> >
>

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