Chapter 13 Logging and Reporting : Troubleshooting and logging : Logging daemon (Miglogd)
  
Logging daemon (Miglogd)
The number of logging daemon child processes has been made available for editing. A higher number can affect performance, and a lower number can affect log processing time, although no logs will be dropped or lost if the number is decreased.
If you are suffering from performance issues, you can alter the number of logging daemon child processes, from 0 to 15, using the following syntax. The default is 8.
config system global
set miglogd-children <integer>
end