These may be relevant:

http://groups.google.com/group/google-appengine/browse_thread/thread/517c7da78454da66/939a67117246d120?lnk=gst&q=log+storage#939a67117246d120

http://code.google.com/p/googleappengine/issues/detail?id=452

Basically you need to get the entity before you delete or it will be
gone without reducing your storage quota.

On Mar 7, 2:58 am, Jonathan Ultis <[email protected]> wrote:
> That should read, after deleting, I'm now using 99% of my data storage
> limit with no additional puts.
>
> On Mar 6, 6:00 pm, Jonathan Ultis <[email protected]> wrote:
>
> > I created a simple page that simply instantiates and stores a model
> > with about 9 primitive properties. The model is filled with the same
> > data each time, and that data is less than 100 bytes. I don't have
> > indices on any of the properties.
>
> > I did some load tests, storing approximately half a million of the
> > objects at most. Some of the tests were done during the recent latency
> > problems. Some were done after latency was stabilized. All tests with
> > significant concurrency (50) generated fairly high timeout and quota
> > exceeded error rates. So, I got significant log spew.
>
> > My total data size should be around 50 megs of real user data.
>
> > Today, my data usage jumped from about 0.5% of my data storage limit
> > to 67% of my data storage limit without any intervening tests. That
> > was surprising since that's about 10x what I really should be using.
> > But, I figured that data limit might count all replicas or something
> > odd. And, perhaps there's a latency between the data store and the
> > data size calculation. So, I wrote a delete all page that deletes 50
> > items, then redirects to itself, to delete the next 50. I just delete
> > the first 50 items returned. I'm not paging or anything. The script
> > works locally.
>
> > I ran that delete page for a while, periodically getting annoying
> > timeouts and quota exceeded. I did not run the page in parallel.
>
> > Now that I'm using 99% of my data storage limit. I'm afraid I may have
> > to buy data storage before I can delete more items.
>
> > Any ideas?
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