how can i tell if it was hit? generally, the process links don't have hwm set, but some do. is your advice to set them on all links?
On May 16, 2011, at 6:51 AM, Ian Barber wrote: > > On Mon, May 16, 2011 at 2:40 PM, Andrew Hume <[email protected]> wrote: > i can increase the number of processes in various parts of the processing > graph, > but how can i effectively figure out what to increase? ordinarily, i would > look at > which processes have increasing input queue lengths. but 0mq doesn't do that. > all i can measure is the memory footprint which starts increasing, sometimes > alarmingly quickly, but mostly steadily. i can't tell if the memory usage is > from > fragmentation, or an input queue, or output queue. > > There was quite a discussion about this sort of monitoring at the unconf, so > there may be some more library level functionality coming that helps. That > said, have you tried lowering the HWM to a minimum value, and collecting > statistics on how often that is hit? If you're experiencing congestion at a > certain point, the queue size should grow beyond the minimums fairly quickly > I would guess. > > Ian > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev ------------------ Andrew Hume (best -> Telework) +1 623-551-2845 [email protected] (Work) +1 973-236-2014 AT&T Labs - Research; member of USENIX and LOPSA
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