xenapi: vm_utils.ensure_free_mem does not take into account overheads
Bug #1204165 reported by
John Garbutt
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
OpenStack Compute (nova) |
Expired
|
Undecided
|
Unassigned |
Bug Description
While checking the free memory is always racey, we can do better.
We should use the memory overhead estimates introduced here:
https:/
This should let us spot when a scheduler has incorrect placed a VM request on host much earlier, so reduce the time penalty of a re-schedule.
Changed in nova: | |
status: | New → Triaged |
importance: | Undecided → Low |
Changed in nova: | |
status: | Triaged → Confirmed |
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is this still valid?