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 a DC/DC 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 a discussion of database locks, refer to the CA IDMS Database Design Guide. For information on factors to consider when preparing the SYSTEM statement, refer to the CA IDMS System Generation Guide.
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