DC/UCF Concepts › Abend Detection and Timed Functions › Ticker Interval

Ticker Interval

The ticker interval determines the frequency with which the DC/UCF system checks for time-related events (such as runaway tasks).

How You Define a Ticker Interval

Use the TICKER INTERVAL parameter of the system generation SYSTEM statement to specify the ticker interval. You can use the TIMER parameter of the DCMT VARY TIME command at runtime to override the system generation specification.

To be effective, the ticker interval must be less than or equal to the lowest nonzero value specified for the following timed functions:

• Deadlock detection interval
• External wait time
• Inactive interval
• Resource timeout interval
• Runaway interval

Typically, the ticker interval for a DC/UCF system used exclusively for batch processing is larger than the ticker interval for a system used for online (or both online and batch) processing.

More Information:

• For more information about the SYSTEM statement, see SYSTEM Statement.
• For more information about the DCMT commands, see the CA IDMS System Tasks and Operator Commands Guide