Performance tuning of RabbitMQ instancesMemory usageFaster runtime executionMessage sizeThe maximum frame size of messagesThe maximum number of channelsConnection heartbeatsClustering and high availabilityQoS prefetchingMessage persistenceMnesia transaction logsAcknowledgements, transactions and publisher confirmsMessage routingQueue creation/deletionQueue message TTLAlarmsNetwork tuningClient tuningPerformance testing