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Initiate Multiple TDCs

The TDC is able to monitor queue depth and create copies of itself to process the queue in parallel. The new, child TDC processes inherit their parameters from the parent TDC, but are not allowed to initiate additional child processes on their own. By default, the TDC initiates no more than five new processes. However, you can control this and other aspects of it through the TIRMQTDX user exit.

Note: For more information about the TIRMQTDX user exit, see the User Exit Reference Guide.