[Koha-bugs] [Bug 22417] Delegate background jobs execution

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22417

--- Comment #12 from Tomás Cohen Arazi <tomascohen at gmail.com> ---
(In reply to Marcel de Rooy from comment #11)
> (In reply to Katrin Fischer from comment #10)
> > (In reply to Marcel de Rooy from comment #9)
> > > Do we really need the background jobs ? Or should we refactor these scripts
> > > in the direction of AJAX API calls in JavaScript ?
> > 
> > I am not sure if this would also allow reimplementing the scheduler with
> > scheduled reports? In my understanding some jobs might not be triggered by
> > the GUI.
> 
> OK That's true. I was focused on the forking scripts.

IMHO, in either case we need a way to throttle concurrency and server loads. So
a task queue is needed.

My only doubt is if we should really model the task queue with a message queue.
I tried the same Jonathan tried but using AnyEvent::Task and the results where
similar, and it only required a unix socket to communicate client and server
processes. My suggestion was to use zeromq. But lets see how this goes.
Specially in the integration step.

I agree with David that this of course would require a single RabbitMQ server
so questions: Is there a concept of namespaces? can any Koha instance access
other instance's messages?

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