[zeromq-dev] simple python example for 0MQ/2.0

Martin Sustrik sustrik at fastmq.com
Thu Oct 8 10:53:26 CEST 2009

tom wrote:
> Hello Malo,
>     Check the wire with some t/wireshark if message is send out from
>     client, if
>     no add some sleep at the end of the client (have a look into
>     perf/python/remote_thr.py)
> thank you for your reply. the sleep() fixed it !
> does anyone know why this would fix it ? 
> usually if you have to fix something in a program by using sleep() means 
> that there is an underlying race condition.

See the previous email. Subscriber is joining to the existing continuous 
publisher feed. If it happens to join after messages X was sent, it'll 
never get it. However, it'll get all the subsequent messages.


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