In the 
                  		  Configuration Information field, add an 
                  		  [ES-Environment] section, and set the ES_TMC_AGGREGATE environment variable. For example, to disable flush operations: 
                  		  [ES-Environment]
ES_TMC_AGGREGATE=,D
See 
                  		  Dynamic IMS Message Queue Performance Tuning for detailed descriptions of each ES_TMC_AGGREGATE environment variable option.