The DCMT DISPLAY RUN UNIT and OPER WATCH DB RUN UNITS commands can be used to show the number of database locks being requested for a particular run unit. The number of database locks maintained by an CA IDMS system has considerable impact on CPU usage. These locks are specified at sysgen time by the RULOCKS and SYSLOCKS parameters of the SYSTEM statement.
For further information on database locks, refer to CA IDMS Database Design Guide
For further information on factors to consider when preparing the SYSTEM statement, refer to CA IDMS System Operations Guide.
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