JMS Queues
Cluster Configuration 189
JMS Queues
In a cluster configuration, the JMS queues are associated with one member of the
server cluster. Access to the queues is provided by the Java Naming and Directory
Interface (JNDI) service. The JDNI service is available across all the members on
the cluster as shown in the following diagram.
The sequential queue is accessible to all cluster members to produce messages
into the queue. Additionally, messages are read by a single-threaded cron task to
support first-in-first-out processing.
The continuous queue is multi-threaded on the consumer side. The queue
supports message processing in high volumes. In this queue, the message
processing order is not considered.
Enterprise service messages that use the sequential queue, are processed in a
strict sequential order. Message processing is single-threaded. Clustering does not
significantly impact the processing performance of messages through the
sequential queue.
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