[zeromq-dev] pgm message loss

[Steven McCoy]

On 15 April 2013 06:05, Susan Tharakan <susantharakan83 at gmail.com> wrote:

> I am running zeromq in pgm mode. I'm seeing large amount of msg loss and
> very stuttery msg flow. Is this to be expected or am I doing something
> wrong.
>
>
The symptoms suggest the reliability of the socket is breaking and thus you
are seeing restarted sessions at best effort delivery.

Thus two avenues to explore: first the quality and performance of your
network for multicast traffic, second the rate of data generation and
publishing to the socket.

A design feature of 0mq is disassociation of socket feedback to the
application, when a socket has no congestion control such as PGM this can
lead to rapid saturation and failure as described.

-- 
Steve-o
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