Controls the maximum priority level for connections.
Critical, High, Above Normal, Normal, Below normal, Low, Background
|PUBLIC role||For current user||For other users|
|Allowed to set permanently?||Yes, with SET ANY SYSTEM OPTION||Yes, with SET ANY SYSTEM OPTION||Yes, with SET ANY SYSTEM OPTION|
|Allowed to set temporarily?||Yes, with SET ANY SYSTEM OPTION||Yes (current connection only), with SET ANY SYSTEM OPTION||No|
The scheduling of different priority levels allows all requests to get some CPU time, regardless of the priority level of the request. Higher priority requests get more time slices than lower priority ones.