[zeromq-dev] question about HWM

Diffuser78 diffuser78 at gmail.com
Thu Jun 21 18:48:29 CEST 2012


I just started playing with zmq, and I had a question about HWM.

If my socket type is of ZMQ_REP, and if this socket enters an exceptional
state due to HWM reached, I read in the guide that it will drop the reply
message being sent to the client. *My questions is: would it retry again ?
Can I trust zmq to deliver the stuff once I hand it over to it ?*

I have two apps: App1 and App2 on two different boxes. App1 send a payload
to App2, and waits for an application level ACK from App2. Since ZMQ may
drop messages if HWM is reached, my App1 would not know if it's message was
delivered or not, and hence it would not know whether to retry or not after
timeout ?

Can you share your experience around this scenario ?

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