resmgr:cpu quantum
The session is waiting to be allocated a quantum of CPU. This event occurs when the resource manager is enabled and is controlling CPU consumption.
Detailed Description​
Oracle resource management allows the management of competing workloads within servers and databases.
Oracle resource management allows the management of competing workloads within servers and databases. It is used to manage Pluggable Database (PDB) resource consumption within a Container Database (CDB). Control of resources within Maintenance Windows in Oracle is also controlled by the Resource Manager.
How to reduce this wait​
You may see resmgr waits appearing if you have enabled scheduled maintenance window.
Review the resource manager configuration and throttling information to ensure appropriate resources are given to your database.
If server resources are not in short supply, look for throttling within the database for CPU, IO or parallel query resources.
Additional Links​
- Oracle Reference Manual - resmgr:cpu quantum
- Oracle Administrator's Guide - Managing Resources with Oracle Database Resource Manager
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