On Nov 28, 2011, at 10:55 AM, Emmanuel TAUREL wrote: > Hi Chuck, > > On 28/11/2011 17:26, Chuck Remes wrote: >> On Nov 28, 2011, at 10:19 AM, Emmanuel TAUREL wrote: >> >>> Hello all, >>> >>> I am using ZMQ 3.0.x on linux boxes with the PUB/SUB pattern. >>> I have one publisher and two subscribers. I have a HWM set on the publisher >>> to 50 and no HWM on the subscribers. >>> When the HWM limit is reached on the publisher, following messages are >>> dropped on the publisher side >>> and both subscribers do not receive them. >>> >>> "man zmq_setsockopt" tell me this for the ZMQ_SNDHWM option: >>> >>> ------------------- >>> >>> The high water mark is a hard limit >>> on the maximum number of outstanding messages 0MQ shall queue in memory >>> for any single peer that the specified socket is communicating with. >> The part that says "for any single peer" means that each peer has its own >> SNDHWM enforcement. >> >>> ------------------- >>> >>> Do I have to understand that all peers are affected when the pub HWM is >>> reached? >> No. Only the peer that has reached the limit is affected. Other peers that >> have not reached the limit should not see any message drops. > > But this is not what I see on wireshark and on my terminal windows! > When the HWM is reached, messages are dropped for all peers (at least > for the 2 I have in my tests). > I don't see them on the wire on both connections (connection1 with port1 > for sub1 and connection2 with port2 for sub2) and my two > applications using the subscribers complain. > > Therefore, I am a bit confused and I don't really know what should be > the wanted behavior.
You are going to have to share your code with us. Put it up at pastie.org or gist.github.com along with directions on how to run it. cr _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
