Same problem, few tasks which runs on taskqueues and which gets executed in
30 mins regular days. We see not even 10% progress in 4 hrs. There is some
serious problem, but the system status says all is well.

When I see the instances active, all my resident instances are having 0
latency and a couple other instaces showing a very high latency. all the
instances are serving 0 request.

GAE team know why this is happening.


On Tue, Jun 25, 2013 at 4:09 PM, Sameer Lodha <[email protected]> wrote:

> For the last 4 hours there again seems to be issues with AppEngine.
> Specifically, the Task Queue execution rate has slowed down dramatically.
> The system is hardly executing one task a minute.
>
> Hope somebody at AppEngine end is already aware about these issues &
> working on resolving the same.
>
>
>
> On Tue, Jun 25, 2013 at 4:17 AM, James Gilliam <[email protected]>wrote:
>
>> Here's the thing about the latency.
>>
>> GAE has a serious datastore issue right now.  Old records are being
>> returned instead of the most recent ones.  It is random.  In some cases,
>> they are not returning all the rows for a particular table.  We are seeing
>> this behavior in tables which were updated yesterday.  I submitted a
>> critical production error documenting these issues with GAE, yesterday.
>>
>> I was able to get around one of the most serious situations I was having
>> by recopying a namespace, after repeatedly querying to determine the real
>> number of rows -- about half the time GAE was reporting the wrong number of
>> rows.  The copied namespace is working ok for now.
>>
>> GAE is not transparent when they have serious issues imo.
>>
>> On Saturday, June 22, 2013 7:50:47 PM UTC-7, Jacob G wrote:
>>>
>>> I have noticed large latency increases in App Engine in the last 6-8
>>> hours, seemingly from the HR datastore. It is not all the time, but it is
>>> frequent. Http requests begin to be processed by an instance quickly, but
>>> then a datastore request will be latent for 15+ seconds. Http requests that
>>> used to complete in less than a second will take 25-60 seconds.
>>>
>>> Are you aware of this issue? I don't see any documentation of it in the
>>> server status page, but there's definitely a problem!
>>>
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Sandeep Koduri
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