When you start the database server, the oninit utility starts the number and types of virtual processors that you have specified directly and indirectly. You configure virtual processors primarily through ONCONFIG parameters and, for network virtual processors, through parameters in the sqlhosts file or registry. For descriptions of the virtual-processor classes, refer to Virtual-Processor Classes.
The database server allows you to start a maximum of 1000 virtual processors.
After the database server is in online mode, you can start additional virtual processors to improve performance, if necessary. For more information, refer to Adding Virtual Processors in Online Mode below.
While the database server is in online mode, you can drop virtual processors of the CPU and user-defined classes. For more information, refer to Dropping CPU and User-Defined Virtual Processors.
To terminate the database server and thereby terminate all virtual processors, use the onmode -k command. For more information on using onmode -k, see the IBM Informix Dynamic Server Administrator's Reference.
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