hi all,

I need export a large dataset may be 25k entitys with 15string
properties. I know limit of 1000 and 30 seconds. Any idea to can
export data to  csv, I can split in little chuck ok but how download?.
I know appcfg but my feature is for end user and I would like do a
simple page with a button.

Can I create a datataset in memory and build and put in a datastore to
dowload. What happend if download process spent more than 30 sec. ?

many thanks.

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