Oracle uses all processors available through the OS
{"Image DocumentName": "Oracle uses all processors available through the OS", "Image ImageDescription": "CPU Tuning. Oracle uses all processors available through the OS. ORACLE_AFFINITY registry value can be set to tell Oracle which threads to run on which processors (same setting for all instances) Use Database Resource Manager to set CPU usage for different classes of users. For example, one can configure the db to use 50% CPU for gold customers, 30% for silver and 20% for rest. Thread priorities can be set in the registry using the ORACLE_PRIORITY variable.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}