Problem: We're experiencing a problem whereby openwire communication completely locks up and the tcp send and receive buffers fill up preventing any further communication between brokers, whilst the stomp client connectors continue to function perfectly.
Below is an example of this happening between our hub broker (B) and another broker (C) $ netstat -a | grep :61616 tcp6 0 0 [::]:61616 [::]:* LISTEN tcp6 0 0 B:34326 A:61616 ESTABLISHED tcp6 116166 142456 B:39099 C:61616 ESTABLISHED tcp6 115169 156860 B:39100 C:61616 ESTABLISHED tcp6 0 0 B:34328 A:61616 ESTABLISHED Topology: I've reduced our mesh down to 3 nodes, A <-> B <-> C where the connectors are dual openwire connections, using failover:(static:(nio://...)), one with topics being pushed down it and the other with queues, both in duplex. All networkConnectors are initiated from B Usage summary: We are primarily using the mesh for MCollective (http://puppetlabs.com/mcollective) which only utilises the STOMP transport connectors directly, servicing approximately 600 nodes on a roughly equal distribution across the three brokers. We also have a team using virtual topics primarily via C (that will multiplex to queues in the presence of consumers on the relevant destinations - usually 2 to any one virtual queue), but with a couple of consumers on B. We are still trying to gauge their level of usage in some meaningful metrics, but my understanding is that the volume of produced messages is not high. Configuration: E.g. networkConnectors from B to A <networkConnector name="B-A-topics" uri="static:(failover:(nio://A:61616))" userName="amq" password="secret" duplex="true" decreaseNetworkConsumerPriority="true" networkTTL="4" dynamicOnly="true"> <excludedDestinations> <queue physicalName=">" /> </excludedDestinations> </networkConnector> <networkConnector name="B-A-queues" uri="static:(failover:(nio://A:61616))" userName="amq" password="secret" duplex="true" decreaseNetworkConsumerPriority="true" networkTTL="4" dynamicOnly="true" conduitSubscriptions="false"> <excludedDestinations> <topic physicalName=">" /> </excludedDestinations> </networkConnector> Other information: Version 5.9.0 Ubuntu 10.04 java version "1.6.0_35" Java(TM) SE Runtime Environment (build 1.6.0_35-b10) Java HotSpot(TM) 64-Bit Server VM (build 20.10-b01, mixed mode) Any help or advice is very much appreciated -- View this message in context: http://activemq.2283324.n4.nabble.com/TCP-send-and-receive-buffers-filling-preventing-openwire-communication-tp4676493.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
