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Posted to issues@cloudstack.apache.org by "Ivan Kudryavtsev (JIRA)" <ji...@apache.org> on 2017/09/13 10:05:00 UTC

[jira] [Created] (CLOUDSTACK-10073) Kvm host RAM overprovisioning

Ivan Kudryavtsev created CLOUDSTACK-10073:
---------------------------------------------

             Summary: Kvm host RAM overprovisioning
                 Key: CLOUDSTACK-10073
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10073
             Project: CloudStack
          Issue Type: Improvement
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: cloudstack-agent, KVM
    Affects Versions: 4.10.0.0, 4.9.3.0
            Reporter: Ivan Kudryavtsev
            Priority: Trivial


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.



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