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Posted to commits@cloudstack.apache.org by GitBox <gi...@apache.org> on 2021/01/04 15:13:48 UTC

[GitHub] [cloudstack] wido commented on issue #4566: Incorrect `memoryintfreekbs` in listVirtualMachines for KVM

wido commented on issue #4566:
URL: https://github.com/apache/cloudstack/issues/4566#issuecomment-754033022


   @PaulAngus I agree. Overhead is something the operator should take into account. We at PCextreme do that. We take a safety margin on top of all the memory we allocate to VMs and which we then reserve for the Operating System, buffers and overhead.
   
   So yes, the end-user should never be aware of the RSS on the hypervisor.
   
   VMs using Ceph for example have a much higher overhead to due librados and librbd consuming memory under the hood.


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