2.4. CPU Quality of Service

CPU quality of service defines the maximum amount of processing capability a virtual machine can access on the host on which it runs, expressed as a percent of the total processing capability available to that host. Assigning CPU quality of service to a virtual machine allows you to prevent the workload on one virtual machine in a cluster from affecting the processing resources available to other virtual machines in that cluster.

2.4.1. Creating a CPU Quality of Service Entry

Create a CPU quality of service entry.

Procedure 2.7. Creating a CPU Quality of Service Entry

  1. Click the Data Centers resource tab and select a data center.
  2. Click QoS in the details pane.
  3. Click CPU.
  4. Click New.
  5. Enter a name for the quality of service entry in the QoS Name field.
  6. Enter a description for the quality of service entry in the Description field.
  7. Enter the maximum processing capability the quality of service entry permits in the Limit field, in percentage. Do not include the % symbol.
  8. Click OK.
You have created a CPU quality of service entry, and can create CPU profiles based on that entry in clusters that belong to the data center.

2.4.2. Removing a CPU Quality of Service Entry

Remove an existing CPU quality of service entry.

Procedure 2.8. Removing a CPU Quality of Service Entry

  1. Click the Data Centers resource tab and select a data center.
  2. Click QoS in the details pane.
  3. Click CPU.
  4. Select the CPU quality of service entry to remove.
  5. Click Remove.
  6. Click OK when prompted.
You have removed the CPU quality of service entry, and that entry is no longer available. If any CPU profiles were based on that entry, the CPU quality of service entry for those profiles is automatically set to [unlimited].