红帽全球峰会This documentation is for a release that is no longer maintained
See documentation for the latest supported version 3 or the latest supported version 4.8.3. Enabling dedicated resources for virtual machine templates
Virtual machines can have resources of a node, such as CPU, dedicated to them in order to improve performance.
8.3.1. About dedicated resources
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When you enable dedicated resources for your virtual machine, your virtual machine’s workload is scheduled on CPUs that will not be used by other processes. By using dedicated resources, you can improve the performance of the virtual machine and the accuracy of latency predictions.
8.3.2. Prerequisites
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The CPU Manager must be configured on the node. Verify that the node has the
cpumanager=truelabel before scheduling virtual machine workloads.
You can enable dedicated resources for a virtual machine template in the Virtual Machine Template Overview page of the web console.
Procedure
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Click Workloads
Virtual Machine Templates from the side menu. - Select a virtual machine template to open the Virtual Machine Template Overview page.
- Click the Details tab.
- Click the pencil icon to the right of the Dedicated Resources field to open the Dedicated Resources window.
- Select Schedule this workload with dedicated resources (guaranteed policy).
- Click Save.
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