ActiveMQ-TODO

• ActiveMQ

  • JMS

  • Persistence

  • Transaction support

  • Supported protocols

  • High availability

ActiveMQ

JMS

• Fully support JMS standard. JMS standards defined API client set will use. JMS defines the following:

  • Concept: Connection/Session/MessageProducer/MessageConsumer/Broker/Message

  • Message model: Point-to-Point, Pub/Sub

  • Message structure: Header, body

Persistence

• Support JDBC, AMQ, KahaDB, LevelDB

  • JDBC: easy to manage but low performant

  • AMQ: File based storage mechanism. Performance better than JDBC

  • KahaDB: Default persistence storage

    • Write batch size

    • Cache size

    • File size

  • LevelDB: KV storage

Transaction support

Supported protocols

• Supported protocols:

  • AUTO, OpenWire, AMQP, Stomp, MQTT

• Transmission mechanism

  • VM, TCP, SSL, UDP, Peer, Multicast, HTTPS

  • Failover, fanout, discovery, zeroConf

High availability

• Shared storage master slave (file system/database/sharded database)

• Broker cluster