Well, I need performance of at least 1k /second throughput including 
non-batch add from many F1's and batch dequeue/reaping.

On Monday, July 30, 2012 10:40:23 AM UTC-4, David Hardwick wrote:
>
> We do pull queues on backends, and use the pipeline library to insure 
> reliability. 
>
>
>
> On Jul 29, 7:42 pm, Jeff Schnitzer <[email protected]> wrote: 
> > On Sun, Jul 29, 2012 at 7:19 AM, Richard <[email protected]> wrote: 
> > 
> > > How can I do this reliably in a 10 second window ?   I have had using 
> a PULL 
> > > queue suggested, but I don't want to do all the work of converting the 
> app 
> > > over if it will be just as unreliable (I remember posts about 
> tasksqueue's 
> > > getting "stuck").... 
> > 
> > The task queues that have gotten "stuck" in the past were push queues; 
> > basically, the machines that do the pushing fell behind (or were 
> > temporarily suspended due to problems).  I haven't heard of any 
> > equivalent problem with pull queues.  The queue would have to start 
> > throwing errors on service calls, or "losing" tasks... probably not 
> > impossible, but on par with "datastore requests failing".  It would be 
> > a major failure. 
> > 
> > Does anyone have any comments about the reliability of pull queues? 
> > 
> > I'm only just now starting to work with pull queues.  While I do allow 
> > that my push queues may not fire in a timely manner, I'm engineering 
> > to expect pull queues to always be available. 
> > 
> > Jeff 
>

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