Pool channel option

Service job pool usage
The Messaging Server&#x27;s Job Controller creates channel jobs (jobs to deliver messages) as needed: the MTA&#x27;s enqueueing processes inform the Job Controller regarding newly enqueued messages, and the  Job Controller then decides which existing service job whould attempt the message&#x27;s delivery, or creates a new service job, as needed.

To manage the allocation of channel delivery job processes, the Job Controller has "processing pools" (in old PMDF terminology, "queues"). Different channels may be configured to run in different processing pools via the  channel option.

Note that for iMS/MS/the Oracle Messaging Server, the priority-sensitive queues of PMDF days are obsolete. Instead, the Job Controller takes care of managing different priority messages in different priority internal processing "queues" within a processing pool. That is, priority-sensitive sorting of messages is handled internally by the Job Controller, without needing explicit configuration.

See also:
 * Job Controller
 * Job Controller operation
 * queue Option
 * job_pool
 * Job Controller priority-based processing
 * Processing control and job submission channel options
 * Channel options