You can suppress SVC dumps that duplicate previous dumps. The MVS Diagnosis: Tools and Service Aids manual gives details about using z/OS dump analysis and elimination (DAE).
To support DAE, WebSphere MQ for z/OS defines two variable recording area (VRA) keys and a minimum symptom string. The two VRA keys are:
WebSphere MQ for z/OS provides the following data for the minimum symptom string in the system diagnostic work area (SDWA):
Dumps are considered duplicates for the purpose of suppressing duplicate dumps if eight (the X'08' from the VRAMINSC key) of the nine symptoms are the same.
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