[openstack-dev] [Openstack] [celery][taskflow] Reg. celery and task-flow

Joshua Harlow harlowja at fastmail.com
Fri Jan 8 21:36:40 UTC 2016

I also updated https://wiki.openstack.org/wiki/DistributedTaskManagement 
to denote that said wiki is no longer active (it was an attempt to back 
a taskflow engine[1] with celery); although if u are interested in 
continuing down this path feel free.

Hopefully that clears up some 'confusion' around that wiki.

[1] http://docs.openstack.org/developer/taskflow/engines.html

Joshua Harlow wrote:
> So actually they are quite different, (although similar at some level),
> Given that celery isn't really a replacement for taskflow although one
> could say, from what I've heard from others, that taskflow is a
> super-set of what celery is so taskflow likely can replace parts of
> celery (but not vice-versa).
> Feel free to jump on #openstack-state-management IRC channel if u want
> to chat in person more about why (it gets into details that might just
> be easier to explain in person).
> ESWAR RAO wrote:
>> Hi All,
>> Please let me know whether celery is replacement for taskflow.
>> As per my understanding, task-flow can break jobs into tasks and execute
>> them.
>> From celery wiki, it also does almost similar behaviour.
>> I guess in most of openstack components taskflow is widely used.
>> Any places where its being replaced with celery ??
>> Celery: https://wiki.openstack.org/wiki/Celery
>> Distributed: https://wiki.openstack.org/wiki/DistributedTaskManagement
>> TaskFlow: https://wiki.openstack.org/wiki/TaskFlow
>> Thanks
>> Eswar
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