[zeromq-dev] ZeroMQ application design questions

Marc Demierre demierre.marc at lab.ntt.co.jp
Fri Nov 19 09:24:57 CET 2010

Thanks for your reply. I'm currently doing some tests and already have a
simulation that works, but I still have to implement a clean exit
procedure (that implies passing special messages to the threads to tell
the to exit)... Anyway, I wanted to keep too may things from the first
prototype and it is usually a mistake.

As I am not really experienced with concurrent programming, I just
wanted to know if some "standard" way to do this kind of things (getting
jobs, doing LRU for workers, receiving updates and results) with ZeroMQ
existed. I didn't ask for code, just for some advices about theory. I
described my job in details to show exactly what I didn't understand.

The examples found in The Guide always do an assume that we know how
many tasks there will be or how many results will be received. I have
some difficulties to build a complete thing, but I'll try until I
succeed :).

On Fri, 2010-11-19 at 09:06 +0100, Pieter Hintjens wrote:
> On Fri, Nov 19, 2010 at 3:44 AM, Marc Demierre
> <demierre.marc at lab.ntt.co.jp> wrote:
> > It works but it is not really scalable and I would like to totally avoid
> > threads calling methods of other threads and setting attributes.
> Don't do that, use inproc to send messages between threads.
> > Any advice on how to do this with ZeroMQ ?
> We don't usually do your homework for you here... :-)  Unless it's
> particularly interesting.  Start with a small mockup, try different
> patterns until you find what works, then build that out.  There's no
> substitute for learning this yourself.
> > A second thing: I wrote most of the programs of The Guide in Python. I
> > can't contribute them now but I will as soon as my internship is
> > finished (my boss allowed me to give it under my name after the end of
> > my contract). Where should I send them and how (pastebin, attached to
> > email, my Dropbox public folder, ...) ? I will do it in the beginning
> > January.
> Make sure you have the latest git master, then send a signed-off patch
> to this list, following the rules for 0MQ contributions (see
> http://www.zeromq.org/docs:contributing)..
> -Pieter
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Marc Demierre<demierre.marc at lab.ntt.jp>
Human Interaction Project - NTT Cyber Solutions Laboratories, Yokosuka
Phone : 080 3395 8049 (national) / +81 80 3395 8049 (international)
Address : 1-24-5 214 Hayashi, Yokosuka-shi, 238-0315 Kanagawa

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