Also, minor possibility, but I noticed "Datastore Admin" was enabled in my
settings.  Perhaps there is a bug associated with that and deploys?

Thanks,
Phil

On Mon, Oct 31, 2011 at 10:27 AM, Phil McDonnell <[email protected]
> wrote:

> I investigated the namespace idea and I don't believe that's being used
> here at all. The one data class that is still accessible is a remnant from
> some earlier work and no longer used which may explain why it doesn't
> become inaccessible/disappear.
>
> Any more ideas on how entire datastore classes might become inaccessible
> directly after a deploy?  It does not happen every time I deploy, but when
> it does it makes all of our data inaccessible, with the exception of the
> one data class that we don't use anymore.
>
> Thanks for your help and input,
> Phil
>
>
> On Fri, Oct 28, 2011 at 4:18 PM, Phil McDonnell <
> [email protected]> wrote:
>
>> Hi guys,
>>
>> Apologies for using unclear terminology on this.  I understand the
>> details of how the data is stored on BT. This is not local - this is on the
>> production instance.
>>
>> This idea of something happening that makes the data inaccessible sounds
>> possible. I'm running on version 2 of my app.  Could that be an issue?  I'm
>> not very familiar with the namespace feature, but I can read up on this.
>>  Are there other ways that the data might disappear?
>>
>> Ikai, in case it's useful, my app id is coupflipsite.
>>
>> Thanks so much for all the thoughts here.  Getting to the bottom of this
>> is extremely important for us and I very much appreciate your wisdom on
>> this.
>>
>> Thanks again,
>> Phil
>>
>> On Fri, Oct 28, 2011 at 2:18 PM, Ikai Lan (Google) <[email protected]>wrote:
>>
>>> Thanks for the explanation Barry. Phil, it sounds like you are talking
>>> about the local datastore. Can you clarify?
>>>
>>> --
>>> Ikai Lan
>>> Developer Programs Engineer, Google App Engine
>>> plus.ikailan.com | twitter.com/ikai
>>>
>>>
>>>
>>> On Fri, Oct 28, 2011 at 3:29 AM, Barry Hunter <[email protected]>wrote:
>>>
>>>> That doesn't even make sense
>>>>
>>>> The Datastore has no concept of 'table'.
>>>>
>>>> All Entities - regardless of their kind- are stored in one 'bigtable'
>>>> - they are all intermingled. In fact all Entities from everyone's apps
>>>> are stored in the same bigtable.
>>>>
>>>> So to delete a 'table' - which is really just all entities of a given
>>>> kind for a given app - would need to loop though and delete each
>>>> individual entity. Once there are no entities of a given kind/model
>>>> left, the 'kind' has effectively been dropped.
>>>>
>>>>
>>>> I would guess need to check you aren't somehow using the application
>>>> version in the Kind name or even the key?. Then when the application
>>>> is updated, the version changes and therefore the old entities become
>>>> inaccessible.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Thu, Oct 27, 2011 at 10:17 PM, Phil McDonnell
>>>> <[email protected]> wrote:
>>>> > Twice now a deploy has cleared several of the data tables in my
>>>> deployed
>>>> > datastore.  Does anyone know what causes this?  The symptoms both
>>>> times are
>>>> > consistent.  I do a deploy and the datastore drops several of the
>>>> tables.
>>>> >  Strangely, one very old (and generally unused) table is not dropped
>>>> and my
>>>> > blob data is still there.  Is this dropping of data/tables  on deploy
>>>> a
>>>> > known "feature" that I'm somehow not understanding?  Note, this does
>>>> not
>>>> > happen on every deploy.
>>>> > We are still pre-launch, but I'm extremely concerned that this could
>>>> happen
>>>> > when we are live.  If we drop our data when we are live it would cost
>>>> us a
>>>> > lot of money.
>>>> > Thanks so much,
>>>> > Phil
>>>> >
>>>> > --
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>>>>
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>>
>>
>

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