When an integration is triggered from Smart Materials, an Oracle DBMS job is created for each integration request. The mi_jvx_pck_config_custom.get_parallel_job_count function returns the number of jobs to be scheduled to run in parallel and the default job count is 4. All other requests are placed in a queue. However, you can change the default job count by changing the return value of this function.
For more information about the queue mechanism, see Queue mechanism.