Thanks for your reply! On Wed, Feb 18, 2009 at 9:55 PM, Gordon Sim (via Nabble) < [email protected]<ml-user%[email protected]> > wrote:
> chenta wrote: > > How do I send a message to a specific client or a group of client when > all of > > the client subscribe to the same queue? > > I encounter this problem because I do not want to create a queue for > each > > client. I think it will be a huge overhead for broker when I have more > than > > 15K clients. Am I correct? > > Are those queues going to be durable? > > If not having a per-client queue should be fine (even for 15k queues) > and is the arguably the 'right' pattern if you want to communicate > point-to-point. It sounds like that creating a temporary is very cheap for Broker. Do you know how many memory will be consume by one queue? or I can look into the source code to figure it out later. > > > > Because I am using C++ client so there is no JMS selector support. I > don't > > think it will be implemented by add an exchange plug-in. Where should I > > start if I want to implement this feature? > > I think the first task will be creating a parser and evaluator for the > selector syntax. Once thats done the filtering can be hooked in to > SemanticState::ConsumerImpl::filter in qpid/broker/SemanticState.cpp. > > Feel free to ask more detailed questions on the dev list, your > contribution will be greatly valued! > > Jira for this issue: https://issues.apache.org/jira/browse/QPID-530 > > --------------------------------------------------------------------- > Apache Qpid - AMQP Messaging Implementation > Project: http://qpid.apache.org > Use/Interact: > mailto:users-subscr...@...<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=2346969&i=0> > > > > ------------------------------ > This email is a reply to your post @ > http://n2.nabble.com/Sending-message-to-specific-client-tp2345847p2346969.html > You can reply by email or by visting the link above. > > -- View this message in context: http://n2.nabble.com/Sending-message-to-specific-client-tp2345847p2348035.html Sent from the Apache Qpid users mailing list archive at Nabble.com.
