XenServer Power Saving

Cheng Zhang@Citrix

PRESENTLY

PROBLEM

SOLUTION

Target

Conditions

Action

SOLUTION

TARGET – Exclusive VM

TARGET – Shared VM

Interaction

Resource Usage

WorkloadTime Zones

CONDITIONS

BALANCE

Low Use/InteractionNot Business Hours

Low Use/InteractionBusiness Hours

High Use/InteractionBusiness Hours

High Use/InteractionNot Business Hours

Resource Use & Interactions

Local B

usin

ess Ho

urs

ACTION – Exclusive VM

Business Hours & Low use/interaction

Outside of Business Hours

High use/interaction

Action: High Action: Medium Action Low

𝑾𝒐𝒓𝒌𝒍𝒐𝒂𝒅 + 𝑪𝒂𝒄𝒉𝒆

𝑽𝑴 𝑪𝒂𝒑𝒂𝒄𝒊𝒕𝒚

= VM Quantity

ACTION –Shared VM’s