How to set Task Queue order?

[Leandro Rezende]

im adding 10 taskes at the Queue, but i would like to a Task wait the previous task  finish before it run..

Example:

 - Added 10 tasks.

- Task 1 Run

- Task 1 Finish

- Task 2 Begin

- Task 2 Finish

- Task 3 Begin

- ......

is it possible?

Leandro

[Nicholas Verne]

You could add task 2 from task 1, add task 3 from task 2 etc.

To prevent task2 starting before task1 finishes, set
max_concurrent_requests to 1 for the queue.

Nick Verne

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[David Hardwick]

The Pipeline would be my recommendation.

http://code.google.com/p/appengine-pipeline/

[Leandro Rezende]

Nicholas Verne, i will try the  <max_concurrent_requests> , what about the order?

as i read in doc, it says that is FIFO, but in my tests it was running in a random order.

thx

2012/4/4 David Hardwick <david.h...@bettercloud.com>

[André Salvati]

Hi Leandro,

I've asked same question os stackoverflow.

http://stackoverflow.com/questions/9982369/is-there-a-way-to-assure-fifo-first-in-first-out-behavior-with-task-queues-on

Please star it.... ;)

On Apr 4, 10:47 am, Leandro Rezende <leandro.reze...@gmail.com> wrote:
> Nicholas Verne, i will try the  <max_concurrent_requests> , what about the
> order?
>
> as i read in doc, it says that is FIFO, but in my tests it was running in a
> random order.
>
> thx
>

> 2012/4/4 David Hardwick <david.hardw...@bettercloud.com>

[Leandro Rezende]

thx Alex,   by conicidence i had already seen our post, but as it didnt had a marked response that solved you problem too, i asked here.

i tried the "Pull" idea that someone suggested, and it works.

2012/4/4 André Salvati <andre.f...@gmail.com>