I believe this are garbage collected. This'll be a gating issue for us
before we release - it would be pretty bad if this caused quota denials.

--
Ikai Lan
Developer Programs Engineer, Google App Engine
Blogger: http://googleappengine.blogspot.com
Reddit: http://www.reddit.com/r/appengine
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On Wed, Oct 13, 2010 at 8:51 PM, Eli Jones <[email protected]> wrote:

> Ikai,
>
> On occasion I execute thousands of tasks.  Works great too.
>
> But, it seems like Task Queue Stored Task Bytes does not reset very
> quickly.
>
> Currently my Task Queue shows (and I have 0 Tasks in any Queues.. and
> haven't for over 10 minutes):
>
> Task Queue Stored Task Count    136,603 of 200,000,000
> Task Queue Stored Task Bytes    124,768,866 of 104,857,600
>
> Recently I just ran under 1,000 tasks, and a few hours ago I was running
> many other tasks.. but they all run and finish within 3 minutes.. so it
> seems strange that the Stored Task values keep increasing..
>
> How often are these values reset?  Are they not really reset as soon as the
> Tasks in a queue are finished or purged?
>
> Thanks for any information.
>
>
> Eli
>
> On Wed, Oct 13, 2010 at 5:42 PM, Ikai Lan (Google) <
> [email protected] <ikai.l%[email protected]>> wrote:
>
>> Hey everyone,
>>
>> We're working on moving Task Queues out of labs/experimental for an
>> upcoming release slated for November. One of the requirements for doing so
>> is to better enforce the Task Queues storage quota. The documentation
>> describes this quota as storage for data for tasks that have not yet
>> executed:
>>
>> http://code.google.com/appengine/docs/quotas.html#Task_Queue
>>
>> Currently, this quota is not enforced, and it is possible for applications
>> with backed up task queues to exceed this quota without running into quota
>> denials. Check your admin console's quota page for your application to see
>> if you are reaching or exceeding this quota. If so, you'll have the
>> following options:
>>
>> 1. Allocate more storage quota to taskqueue storage by updating:
>>          - total_storage_limit in queue.yaml for Python applications
>>          - TotalStorageLimit in queue.xml for Java applications.
>>         Note: you may need to buy more disk quota if there's not enough
>> quota for datastore, blobstore and taskqueue storage altogether.
>>
>> 2. Fix backed up queues using one of the options below. You will recognize
>> these as queues with high numbers of tasks (typically >2000).
>>         - Purge backed up queues (an easy button click in admin console's
>> Queue Details page for the queue).
>>         - Increase the execution rate and let your app work through the
>> backlog. To do this, edit queue.yaml (or queue.xml for Java apps) and alter
>> the rates on the queues. You can set a higher bucket size than the default
>> (currently 5) to maximize throughput.
>>         - Reduce the rate at which new tasks are added to queues. This
>> will involve some editing of app code.
>>
>> It can take a few hours to update the admin console after the quotas have
>> been updated.
>>
>> We'll post a reminders to the App Engine blog as well as to this thread as
>> the release nears.
>>
>> --
>> Ikai Lan
>> Developer Programs Engineer, Google App Engine
>> Blogger: http://googleappengine.blogspot.com
>> Reddit: http://www.reddit.com/r/appengine
>> Twitter: http://twitter.com/app_engine
>>
>>  --
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