[Tutor] When to use multiprocessing Managers?

[David Palao]

2014-02-25 11:52 GMT+01:00 James Chapman <james at uplinkzero.com>:
> Hello tutors
>
> I'm curious about managers and when to use them.
> For example, I see they offer a Queue() for sharing a Q between
> processes, but if I create a Q in the parent process and pass it down
> to child processes, then they can put messages into that Q just fine,
> and I presume the same thing for other objects available under the
> managers package.
>
> So unless the other process is on a different machine, is there a
> reason to use a manager?
>
> Does anyone have any use case examples or snippets I could look at even?
>
> Thanks in advance
> James
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Hello,
I asked myself the same question when I started using multiprocessing
time ago. So I was very happy when I saw the question by James.

>From my limited knowledge, I would say that a Manager can be useful
when processes are distributed across different hosts, or if the
exchange of information between processes is more complex than just a
couple of synchronization primitives.

Best