Also, what is network latency like between brokers and from client to broker?
On Jan 31, 2017 7:03 AM, "Tim Bain" <tb...@alumni.duke.edu> wrote: > Do either of your broker logs show Producer Flow Control kicking in? > > And for both of you, is performance normal if you have just a single > broker (or all clients on the same broker, which is the same thing)? > > On Jan 30, 2017 5:36 PM, "Adam Whitney" <adam.whit...@sony.com> wrote: > > I'm having a similar issue with 5.13.3. We have 3 brokers configured as a > grid network (each connected to the other 2). For the clients, we are using > JmsTemplate to produce messages from 2 hosts ... and > DefaultMessageListenerContainer to consume from another 2 hosts. Each > consumer client is a single tomcat instance with 50 consumer threads on a > single connection to the broker. This means that one of the 3 brokers is > always left with now "real" consumer clients - only "network" consumers. > > When we send 570 messages per second we see messages start to queue on one > of the brokers ... invariably, the broker that starts to build up it's > queue > is the one that has at least one producer and no "real" client consumers > (i.e. only "network" consumers). > > If we stop 2 of the brokers and just have a single broker with 2 producers > and 2 consumers then we don't see any queueing on that broker even at 570 > tps the single broker and "real" client consumers can keep up with the > messages. This seems to indicate that it is the network consumers that are > not able to keep up. > > FWIW, my brokers are using "pure java" version of levelDB: > <levelDB directory="${activemq.data}/leveldb"/> > > And here's our network connector config: > <networkConnector name="mqpQueueConnector" > > uri="static:(tcp://AMQHOST_01:61616,tcp://AMQHOST_02:61616,t > cp://AMQHOST_03:61616)?maxReconnectDelay=5000&useExponen > tialBackOff=false" > messageTTL="-1" conduitSubscriptions="false" > duplex="false" consumerPriorityBase="0" > decreaseNetworkConsumerPriority="false"> > > > > -- > View this message in context: http://activemq.2283324.n4.nab > ble.com/Network-Connector-too-slow-when-receive-high-rate- > persistent-message-tp4721293p4721407.html > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > >