[zeromq-dev] HWM default

Blair Bethwaite blair.bethwaite at monash.edu
Mon May 9 08:17:36 CEST 2011

On 9 May 2011 15:40, Martin Sustrik <sustrik at 250bpm.com> wrote:
> It should be acknowledged though that OOMs are easier to debug than
> deadlocks. However, debugging is not exactly newbie activity. It's
> likely to be performed by more experienced users which should be aware
> of an option of setting HWM to infinity to induce OOMs.
> Thoughts?

An experienced programmer coming to 0MQ is likely to attempt their own
debugging, so what do you mean by newbie?

+1 for Pieter's context config option. I think I agree having a
default HWM would be good, however, only if HWM events are easily

As an aside, any idea of the 0MQ behaviour under flooding with no HWM
but sane kernel virtual memory settings (i.e.,


Blair Bethwaite
Researcher, Developer, SysAdmin, Nimrod and Grid support specialist
Monash eScience and Grid Engineering Lab (http://www.messagelab.monash.edu.au/)
(+613) 9903 2800

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