[zeromq-dev] Thinking out loud ...

Henry Baragar Henry.Baragar at instantiated.ca
Fri Jun 24 22:33:21 CEST 2011


Interesting idea...  hooking up a client/server model "backwards" implements 
the "pull" architecure I need for my work distribution applications.  It means 
that the ventilator has to do its own queuing, but I think I can handle that.  
I am going to give it a try.

Thanks!
Henry

On June 24, 2011 03:54:01 PM Andrew Hume wrote:
> because the desired granularity (single job) is so small
> compared to all teh buffering involved, this kind of thing is, i think,
> best handled by REQ/REP initiated from the worker.
> 
> i have handled similiar things before in this way, and even had
> the central job dispenser solve for optimal job distitubtion
> in between job requests.
> 
> 	andrew
> 
> On Jun 24, 2011, at 12:45 PM, Martin Sustrik wrote:
> > On 06/24/2011 09:20 PM, Henry Baragar wrote:
> >> Yes, I have a couple of workload distibution applications with highly
> >> asymmertric workloads (see my message from from 2011-04-04 "Re: LRU
> >> broker queue in intuitive way on 3.0
> >> <http://lists.zeromq.org/pipermail/zeromq-dev/2011-April/010352.html>").
> >> I can't figure out how to configure 0MQ in such a way that I can add
> >> additional workers after the application has started, because all the
> >> messages already have been sent (and queued) to other workers.
> > 
> > OK. AFAIU what would solve your problem is to strictly limit the number
> > of messages in flight to a particular peer, ie. honour HWM exactly
> > without having excess messages in TCP buffers, right?
> > 
> > Martin
> > 
> > _______________________________________________
> > zeromq-dev mailing list
> > zeromq-dev at lists.zeromq.org
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> 
> ------------------
> Andrew Hume  (best -> Telework) +1 623-551-2845
> andrew at research.att.com  (Work) +1 973-236-2014
> AT&T Labs - Research; member of USENIX and LOPSA

-- 
Henry Baragar
Instantiated Software
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