[zeromq-dev] Thinking out loud ...

Andrew Hume andrew at research.att.com
Fri Jun 24 21:54:01 CEST 2011

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.


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
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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

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