Page History

Introduction

...

This document describes the Cpu/Ram overcommit feature.

...

Same model is followed for cpu.

KVM

TBD

DB changes

...

• We Whenever creating a cluster, MS will add the cpu and ram overcommit ratios in the cluster_details table. They will be inherited from global settings for cpu over provisioning and for Vmware from memory over provisioning global setting. For othe HVs memory over provisioning will be set as 1.memory over provisioning. 
• In case its an upgrade, existing global values will be carried over to the cluster_details. Do note that memory overprov existed only for vmware and would be carried over during upgrade only for vmware.
• vm_details will be populated with these factors present at the cluster level when the vm is deployed. 
• In case the cluster factor changes, vms factor in vm_details wont change until you stop/start the vm.
• For upgrade vm_details will be populated with the cpu over provisioning and memory over provisioning factors(memory only for vmware) from global setting. For other HVs memory over provisioning will be set as 1.

...