While it might be true that data deletion is expensive. The reality is 
Google is losing customers over that! It is obvious that whoever started 
this thread is not going to fork over $3600 for the privilege. His only way 
out right now is to cancel his credit card and abandon the account. Since I 
doubt GAE will let him just stop billing on that app. This is a sad 
situation and a flaw in GAE's business model.

On Friday, May 24, 2013 11:53:59 AM UTC-7, barryhunter wrote:
>
>
>
>
> On Fri, May 24, 2013 at 7:33 PM, John Wheeler wrote:
>
>>
>> It would be best if deletes were extremely cheap - give developers the 
>> ability to do them at cost so they're not afraid to experiment on App Engine
>>
>
>  What makes you think they are not close to 'cost' already?
>
> You seem to be assuming deletes are absurdly 'marked up' - for what ever 
> reason. 
>
> Why would Google doe that? 
>
>
> Deleting at 'scale' is not cheap. Your data is replicated around. All 
> those copies have to be found and 'deleted'. The indexes are seperate and 
> have to be deleted too. There may be many. 
>
> In fact most of the time the data isn't actually deleted. Just Tombstoned. 
> Marked as deleted, so the space is not actually reclaimed right away (to be 
> sold again). Would be to much work to remove the 'holes' all the time. 
>
> The space will probably be reclaimed eventually, when the tablets are 
> compacted. But not right away
>  
>
> In fact when a Application is deleted, wouldnt be surprised if Google 
> don't jsut absorb the storage cost, and not actully bother deleting the 
> data. Deletions will be relativly rare, and few will leave large amounts of 
> data lying around. Will just be orphaned and ignored. 
>
>
>  
>
>
>

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