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Control‑O wakes up every few seconds and checks on time‑related events. This time interval is defined in Control‑O installation parameters and can be changed by the system administrator. In addition, the interval can be modified by operator command
F CONTROLO,INTERVAL=nn |
where nn represents the interval in seconds.
If Control‑M is active at your site, it is recommended that you specify an interval shorter than the Control‑M sleeping interval.
It is recommended that the interval be modified by automatic commands that are invoked by the Control‑O monitor itself, according to set conditions and time ranges, and not manually by the operator.
The optimal sleeping interval depends on the processing power of the machine. Depending on the processing power of the machine, the sleeping interval should usually not be less than the number of seconds indicated in the following table:
Table 196 Sleeping Intervals per Machine
Machine |
Sleeping Interval |
|---|---|
For machines with less than 20 MIPS |
10 seconds |
For machines with 20 to 50 MIPS |
5–6 seconds |
For machines with over 50 MIPS |
4 seconds |
There is no practical benefit in setting the interval to less than the above minimum. Doing so can actually slow down the operation of Control‑O.
When the modification is accepted by Control‑O, the following message is displayed on the operator console:
CTO123I Control‑O INTERVAL IS SET TO nn SECONDS |
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