Use Database PICA Queue Nap Time parameter -picanap to set the maximum PICA queue nap time in milliseconds.

Operating system and syntax UNIX / Windows -picanap n
Use with Maximum value Minimum value Single-user default Multi-user default
Database server 100 (ms) 1 (ms) 1 (ms)
n
The number of milliseconds a process is blocked before it may attempt to gain control of the PICA queue.
Note: Increase -picanap parameter to reduce CPU usage. Higher values are recommended when CPU usage is high.

To change this parameter while the database is running, use PROMON or the _DbParams VST.

You can use this parameter to support continuous operation of the database. For more information, see Change database parameters while the database is running.