yahoo-eng-team team mailing list archive

[Jay Pipes <1642494@xxxxxxxxxxxxxxxxxx>]

You need to set CONF.reserved_host_memory_mb to the amount of memory
used by "other VMs not tracked by Nova". In the case of XenServer, the
dom0 counts for a VM not tracked by Nova.

** Changed in: nova
       Status: In Progress => Invalid

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https://bugs.launchpad.net/bugs/1642494

Title:
  Host memory used for other VMs is not included

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  The host free memory is always set by this formula: "free = total -
  reserved - instances" while the actual consumption will be ignored. If
  there are some other VMs also hosted on the host, the resource view
  will report an incorrect memory usage, and scheduler will not prevent
  instance claiming memory even when there isn't enough available.

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