[zeromq-dev] Problem with high memory usage with NetMQ

Doron Somech somdoron at gmail.com
Fri Jan 23 17:19:16 CET 2015

This is a known issue of v3.3.0.11, use the v3.3.0.12-rc1 (
https://www.nuget.org/packages/NetMQ/ which solves the issue.
You need to check include prerelease on nuget.

On Fri, Jan 23, 2015 at 2:21 PM, Sascha Niedersteiner <
sascha.niedersteiner at st.oth-regensburg.de> wrote:

> I'm currently trying to evaluate if ZMQ is the right tool for a project
> where I have to send data between different applications which may possibly
> also be on different machines. Until now everything looked pretty good but
> while applying a Pub-Sub pattern to bigger byte arrays I noticed a rather
> extreme usage of the systems memory (rising to about 3.8 GB for each
> publisher and subscriber).
> The code I used for the tests can be found here:
> http://pastebin.com/EzD7kY5y the publisher I used
> http://pastebin.com/YmHcjJLB the subscriber
> Currently both publisher and subscriber run on the same machine. The array
> I send is 8.294.400 long. I used perfmon to watch the memory usage while
> trying high water marks of 1000, 1 or unlimited (which were set before the
> bind/connect) and was not able to see any difference. If I understand
> correctly both PUB and SUB should drop messages exceeding the HWM and
> therefore not clutter my systems RAM? Can anyone point me in the right
> direction regarding my problem?
> Used versions:
> NetMQ Version:
> .NET 4.0
> OS: Windows 7 64-bit
> _______________________________________________
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> zeromq-dev at lists.zeromq.org
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