Latency Fat Tail - Pie ChartProducer 2 11 Queue Producer N Consumer 1 Consumer 2 Consumer M time tin tout Queue - Message and time flow Producer 1Lockfree, MPMC Queue - Connecting Application Components Capacity: Bounded / dynamic & memory allocation ● Serialization: Strict global order or relaxed per producer order ● API: single item / multiple items, atomicity-ready or not ● Message size: fixed / dynamic unsigned P{2}; std::atomic prod_sum{0}; std::atomic cons_sum{0}; auto producer = [&]() { for (unsigned x = 0; x < N; ++x) { while (!q.push(x))

net/home/lock-free-algorithms/queues/unbounded-spsc-queue https://www.dpdk.org/ 3● Single producer: one producer (aka writer) thread ● Single consumer: one consumer (aka reader) thread ● Lock-free: it fixed-size buffer as if it were connected end-to-end. The oldest entry is processed first. 4 Single Producer Single Consumer Lock-Free Wait-Free Fifo5 Read message from network Handle message Write

Point-to-Point Messaging Point-to-point messaging is a common scenario in which a message sent by a producer has only one consumer. AMQP and JMS message producers and consumers can make use of point-to-point example of JMS Clients, the messages sent by a JMS queue producer will be routed using the anycast routing type. Messages sent by a JMS topic producer will use the multicast routing type. In addition when ", "red"); producer.send(redMessage) TextMessage greenMessage = senderSession.createTextMessage("Green"); greenMessage.setStringProperty("color", "green"); producer.send(greenMessage)

subscribe addresses. Point-to-point messaging is a common scenario in which a message sent by a producer has only one consumer. AMQP and JMS message producers and consumers can make use of point-to-point example of JMS Clients, the messages sent by a JMS queue producer will be routed using the anycast routing type. Messages sent by a JMS topic producer will use the multicast routing type. In addition when or", "red"); producer.send(redMessage) TextMessage greenMessage = senderSession.createTextMessage("Green"); greenMessage.setStringProperty("color", "green"); producer.send(greenMessage)

Point-to-Point Messaging Point-to-point messaging is a common scenario in which a message sent by a producer has only one consumer. AMQP and JMS message producers and consumers can make use of point-to-point example of JMS Clients, the messages sent by a JMS queue producer will be routed using the anycast routing type. Messages sent by a JMS topic producer will use the multicast routing type. In addition when ", "red"); producer.send(redMessage) TextMessage greenMessage = senderSession.createTextMessage("Green"); greenMessage.setStringProperty("color", "green"); producer.send(greenMessage)

Point-to-Point Messaging Point-to-point messaging is a common scenario in which a message sent by a producer has only one consumer. AMQP and JMS message producers and consumers can make use of point-to-point example of JMS Clients, the messages sent by a JMS message producer will be routed using the anycast routing type. Messages sent by a JMS topic producer will use the multicast routing type. In addition when ", "red"); producer.send(redMessage) TextMessage greenMessage = senderSession.createTextMessage("Green"); greenMessage.setStringProperty("color", "green"); producer.send(greenMessage)

Point-to-Point Messaging Point-to-point messaging is a common scenario in which a message sent by a producer has only one consumer. AMQP and JMS message producers and consumers can make use of point-to-point example of JMS Clients, the messages sent by a JMS message producer will be routed using the anycast routing type. Messages sent by a JMS topic producer will use the multicast routing type. In addition when ", "red"); producer.send(redMessage) TextMessage greenMessage = senderSession.createTextMessage("Green"); greenMessage.setStringProperty("color", "green"); producer.send(greenMessage)

BugFix: High cpu usage on ReadWrite locks 2.22.0 Full release notes. Highlights: The default producer-window-size on cluster-connection was changed to 1MB to mitigate potential OutOfMemoryErrors broker.xml to find the default connector URL for commands which require it (e.g. consumer , producer , etc.) 2.11.0 Versions 16 Full release notes. Highlights: Support retroactive addresses. couple notable new features: Highlights: Added the ability to set the text message content on the producer CLI command. Support reload logging configuration at runtime. 2.6.3 Full release notes. This

broker.xml to find the default connector URL for commands which require it (e.g. consumer , producer , etc.) 2.11.0 Versions 15 Full release notes. Highlights: Support retroactive addresses. couple notable new features: Highlights: Added the ability to set the text message content on the producer CLI command. Support reload logging configuration at runtime. 2.6.3 Full release notes. This 1.3.0 Full release notes. Highlights: Better support of OpenWire features (e.g. reconnect, producer flow-control, optimized acknowledgements) Versions 23 SSL keystore reload at runtime. Initial

broker.xml to find the default connector URL for commands which require it (e.g. consumer , producer , etc.) 2.11.0 Full release notes. Highlights: Support retroactive addresses. Support downstream couple notable new features: Highlights: Added the ability to set the text message content on the producer CLI command. Support reload logging configuration at runtime. 2.6.3 Full release notes. This 1.3.0 Full release notes. Highlights: Better support of OpenWire features (e.g. reconnect, producer flow-control, optimized acknowledgements) SSL keystore reload at runtime. Initial support for