thanks Harsh
On Fri, Jan 18, 2013 at 2:42 PM, Harsh Doshi <har...@gmail.com> wrote: > > Btw I meant, it would block or drop messages if you use a HWM that is low > (but not 0). 0 should give you unlimited limit, but you will eventually > block or drop messages (tcp buffers filling up, etc). > Better load balancing will be achieved by using a router socket > > On Fri, Jan 18, 2013 at 10:53 AM, Harsh Doshi <har...@gmail.com> wrote: > >> 0 would mean no limit. And it would either block or drop messages (I >> think). >> You'll need a router socket >> >> >> On Fri, Jan 18, 2013 at 9:25 AM, Nishant Mittal <nmit...@rblt.com> wrote: >> >>> i see.. that might explain why DLR is blocking.. so do you think if i >>> set the SND buffer to 0 on the dealer.. this will work? effectively giving >>> me a load balanced broker? >>> >>> >>> On Fri, Jan 18, 2013 at 11:10 AM, Stuart Brandt <s...@compuserve.com>wrote: >>> >>>> Your DLR has a send_hwm too, so it's going fair queue against its >>>> outbound queues (which might not be full despite receiver not accepting >>>> more). The mentioned load-balancing-message-broker or one of the reliable >>>> request-response patterns in section 4 will probably serve you better than >>>> trying to control routing by adjusting HWM. >>>> >>>> >>>> On 1/18/13 10:58 AM, Nishant Mittal wrote: >>>> >>>> aah, i remember that now.. i'll look into it again. >>>> my hope was DLR would "try" to fair queue but if the worker was not >>>> accepting any more msgs.. DLR would try the other worker.. but its not >>>> doing that. >>>> >>>> thanks >>>> >>>> On Fri, Jan 18, 2013 at 10:49 AM, Andy Ballingall TF < >>>> balling...@thefoundry.co.uk> wrote: >>>> >>>>> >>>>> On 18 January 2013 15:14, Nishant Mittal <nmit...@rblt.com> wrote: >>>>> >>>>>> I have 3 workers (REP) connected to a DLR socket. each worker takes a >>>>>> msg, processes and responds... however, as the DLR socket fair-queues.. >>>>>> requests are sent like this... >>>>>> 1st -> 1st worker >>>>>> 2nd -> 2nd worker >>>>>> 3rd -> 3rd worker >>>>>> 4th -> 1st worker >>>>>> >>>>>> problem is if the 1st worker is still busy with the 1st request the >>>>>> 4th request waits... even if the 2nd and 3rd workers are free. I am >>>>>> "guessing" its because of the receive buffer on the REP socket.. >>>>>> >>>>>> is it possible to fix this by setting the ZMQ_RCVHWM to 0? >>>>>> >>>>>> >>>>> I'm not sure if it will help your use case, but have you read >>>>> through the load balancing example in the guide? >>>>> >>>>> http://zguide.zeromq.org/page:all#A-Load-Balancing-Message-Broker >>>>> >>>>> Workers are only given work to do if they are free, so you never get >>>>> the problem of some workers having a queue of things to process while >>>>> others are idle. >>>>> >>>>> Andy >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Andy Ballingall >>>>> Senior Software Engineer >>>>> >>>>> The Foundry >>>>> 6th Floor, The Communications Building, >>>>> 48, Leicester Square, >>>>> London, WC2H 7LT, UK >>>>> Tel: +44 (0)20 7968 6828 <%2B44%20%280%2920%207968%206828> - Fax: +44 >>>>> (0)20 7930 8906 <%2B44%20%280%2920%207930%208906> >>>>> Web: http://www.thefoundry.co.uk/ >>>>> >>>>> The Foundry Visionmongers Ltd. >>>>> Registered in England and Wales No: 4642027 >>>>> >>>>> _______________________________________________ >>>>> zeromq-dev mailing list >>>>> zeromq-dev@lists.zeromq.org >>>>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>>>> >>>>> >>>> >>>> >>>> -- >>>> *Nishant Mittal* >>>> Director, Product Development >>>> *Rosenblatt Securities Inc*. >>>> 20 Broad Street >>>> New York, NY 10005 >>>> >>>> Direct: 212-607-3159 >>>> Mobile: 646-504-2629 >>>> >>>> >>>> _______________________________________________ >>>> zeromq-dev mailing >>>> listzeromq-dev@lists.zeromq.orghttp://lists.zeromq.org/mailman/listinfo/zeromq-dev >>>> >>>> >>>> >>>> _______________________________________________ >>>> zeromq-dev mailing list >>>> zeromq-dev@lists.zeromq.org >>>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>>> >>>> >>> >>> >>> -- >>> *Nishant Mittal* >>> Director, Product Development >>> *Rosenblatt Securities Inc*. >>> 20 Broad Street >>> New York, NY 10005 >>> >>> Direct: 212-607-3159 >>> Mobile: 646-504-2629 >>> >>> _______________________________________________ >>> zeromq-dev mailing list >>> zeromq-dev@lists.zeromq.org >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >>> >> > > _______________________________________________ > zeromq-dev mailing list > zeromq-dev@lists.zeromq.org > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > > -- *Nishant Mittal* Director, Product Development *Rosenblatt Securities Inc*. 20 Broad Street New York, NY 10005 Direct: 212-607-3159 Mobile: 646-504-2629
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