This run variable does not apply to pbssh. If it is present in the policy, it does not have any effect on pbssh and is ignored.
Integer. nice is read-only. runnice is modifiable.
The nice and runnice variables contain the nice value for the current task request. The nice value controls task execution priority. To modify task execution priority, set runnice.
runnice = number;
An integer value that represents a task execution priority. This variable has no default value.
runnice = 20;
For more information, please see the Unix or Linux manual page for the nice command.