[CLOUDSTACK-10073] KVM host RAM overprovisioning

• Type: Improvement
• Status: Open
• Priority: Trivial
• Resolution: Unresolved
• Affects Version/s: 4.10.0.0, 4.9.3.0
• Component/s: cloudstack-agent, KVM
• Security Level: Public (Anyone can view this level - this is the default.)
• External issue URL: https://github.com/apache/cloudstack/pull/2266
• Assignee: Unassigned
• Reporter: Ivan Kudryavtsev
• Created: 13/Sep/17 10:04
• Updated: 29/Sep/17 06:16

Description

The PR introduces new cloudstack agent KVM property
host.overcommit.mem.mb

which allows increasing KVM host RAM more than physical RAM exists. It is necessary to utilize KSM and ZSwap features which extend RAM with deduplication and compression.

https://github.com/apache/cloudstack/pull/2266